Preface |
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xiii | |
Acknowledgments |
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xv | |
About The Author |
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xvii | |
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I OPTICS TECHNOLOGY FOR DEFENSE SYSTEMS |
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1 | (124) |
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3 | (17) |
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4 | (1) |
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1.2 Geometric or Ray Optics |
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5 | (5) |
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5 | (1) |
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1.2.2 Fermat's Principle Proves Snell's Law for Refraction |
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5 | (1) |
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1.2.3 Limits of Geometric Optics or Ray Theory |
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6 | (1) |
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1.2.4 Fermat's Principle Derives Ray Equation |
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6 | (2) |
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1.2.5 Useful Applications of the Ray Equation |
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8 | (1) |
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1.2.6 Matrix Representation for Geometric Optics |
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9 | (1) |
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1.3 Optics for Launching and Receiving Beams |
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10 | (10) |
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1.3.1 Imaging with a Single Thin Lens |
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10 | (3) |
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13 | (1) |
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14 | (1) |
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14 | (3) |
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17 | (1) |
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18 | (2) |
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2 Gaussian Beams And Polarization |
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20 | (18) |
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20 | (9) |
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2.1.1 Description of Gaussian Beams |
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21 | (3) |
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2.1.2 Gaussian Beam with ABCD Law |
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24 | (2) |
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2.1.3 Forming and Receiving Gaussian Beams with Lenses |
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26 | (3) |
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29 | (9) |
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2.2.1 Wave Plates or Phase Retarders |
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31 | (2) |
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33 | (1) |
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34 | (1) |
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2.2.4 Finding Point on Poincare Sphere and Elliptical Polarization from Stokes Parameters |
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35 | (1) |
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2.2.5 Controlling Polarization |
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36 | (2) |
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38 | (23) |
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3.1 Introduction to Diffraction |
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38 | (4) |
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3.1.1 Description of Diffraction |
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39 | (1) |
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3.1.2 Review of Fourier Transforms |
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40 | (2) |
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3.2 Uncertainty Principle for Fourier Transforms |
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42 | (5) |
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3.2.1 Uncertainty Principle for Fourier Transforms in Time |
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42 | (3) |
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3.2.2 Uncertainty Principle for Fourier Transforms in Space |
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45 | (2) |
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47 | (9) |
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3.3.1 Preliminaries: Green's Function and Theorem |
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48 | (1) |
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3.3.2 Field at a Point due to Field on a Boundary |
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48 | (2) |
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3.3.3 Diffraction from an Aperture |
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50 | (1) |
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3.3.4 Fresnel Approximation |
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51 | (3) |
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3.3.5 Fraunhofer Approximation |
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54 | (2) |
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3.3.6 Role of Numerical Computation |
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56 | (1) |
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3.4 Diffraction-Limited Imaging |
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56 | (5) |
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3.4.1 Intuitive Effect of Aperture in Imaging System |
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56 | (1) |
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3.4.2 Computing the Diffraction Effect of a Lens Aperture on Imaging |
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57 | (4) |
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4 Diffractive Optical Elements |
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61 | (16) |
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62 | (1) |
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62 | (5) |
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4.2.1 Bending Light with Diffraction Gratings and Grating Equation |
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63 | (1) |
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4.2.2 Cosinusoidal Grating |
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64 | (2) |
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4.2.3 Performance of Grating |
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66 | (1) |
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4.3 Zone Plate Design and Simulation |
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67 | (6) |
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4.3.1 Appearance and Focusing of Zone Plate |
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67 | (1) |
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4.3.2 Zone Plate Computation for Design and Simulation |
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68 | (5) |
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4.4 Gerchberg-Saxton Algorithm for Design of DOEs |
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73 | (4) |
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4.4.1 Goal of Gerchberg-Saxton Algorithm |
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73 | (1) |
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4.4.2 Inverse Problem for Diffractive Optical Elements |
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73 | (1) |
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4.4.3 Gerchberg-Saxton Algorithm for Forward Computation |
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74 | (1) |
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4.4.4 Gerchberg-Saxton Inverse Algorithm for Designing a Phase-Only Filter or DOE |
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74 | (3) |
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5 Propagation And Compensation For Atmospheric Turbulence |
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77 | (22) |
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78 | (4) |
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79 | (1) |
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5.1.2 Locally Homogeneous Random Field Structure Function |
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80 | (1) |
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5.1.3 Spatial Power Spectrum of Structure Function |
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80 | (2) |
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5.2 Optical Turbulence in the Atmosphere |
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82 | (4) |
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5.2.1 Kolmogorov's Energy Cascade Theory |
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83 | (2) |
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5.2.2 Power Spectrum Models for Refractive Index in Optical Turbulence |
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85 | (1) |
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5.2.3 Atmospheric Temporal Statistics |
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86 | (1) |
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5.2.4 Long-Distance Turbulence Models |
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86 | (1) |
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86 | (3) |
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5.3.1 Devices and Systems for Adaptive Optics |
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86 | (3) |
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5.4 Computation of Laser Light Through Atmospheric Turbulence |
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89 | (10) |
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5.4.1 Layered Model of Propagation Through Turbulent Atmosphere |
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90 | (2) |
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5.4.2 Generation of Kolmogorov Phase Screens by the Spectral Method |
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92 | (2) |
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5.4.3 Generation of Kolmogorov Phase Screens from Covariance Using Structure Functions |
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94 | (5) |
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6 Optical Interferometers And Oscillators |
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99 | (26) |
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6.1 Optical Interferometers |
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100 | (9) |
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6.1.1 Michelson Interferometer |
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101 | (4) |
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6.1.2 Mach-Zehnder Interferometer |
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105 | (3) |
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6.1.3 Optical Fiber Sagnac Interferometer |
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108 | (1) |
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6.2 Fabry-Perot Resonators |
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109 | (7) |
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6.2.1 Fabry-Perot Principles and Equations |
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110 | (1) |
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6.2.2 Fabry-Perot Equations |
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110 | (6) |
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6.2.3 Piezoelectric Tuning of Fabry-Perot Tuners |
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116 | (1) |
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6.3 Thin-Film Interferometric Filters and Dielectric Mirrors |
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116 | (9) |
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6.3.1 Applications for Thin Films |
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117 | (1) |
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6.3.2 Forward Computation Through Thin-Film Layers with Matrix Method |
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118 | (4) |
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6.3.3 Inverse Problem of Computing Parameters for Layers |
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122 | (3) |
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II LASER TECHNOLOGY FOR DEFENSE SYSTEMS |
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125 | (80) |
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7 Principles For Bound Electron State Lasers |
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127 | (16) |
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7.1 Laser Generation of Bound Electron State Coherent Radiation |
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128 | (5) |
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7.1.1 Advantages of Coherent Light from a Laser |
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128 | (1) |
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7.1.2 Basic Light-Matter Interaction Theory for Generating Coherent Light |
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129 | (4) |
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7.2 Semiconductor Laser Diodes |
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133 | (7) |
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133 | (3) |
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7.2.2 Semiconductor Laser Diode Gain |
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136 | (3) |
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7.2.3 Semiconductor Laser Dynamics |
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139 | (1) |
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7.2.4 Semiconductor Arrays for High Power |
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140 | (1) |
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7.3 Semiconductor Optical Amplifiers |
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140 | (3) |
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143 | (22) |
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144 | (4) |
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144 | (1) |
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144 | (1) |
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145 | (1) |
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146 | (1) |
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8.1.5 Materials for Use with High-Power Lasers |
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147 | (1) |
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148 | (10) |
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8.2.1 Principles of Solid-State Lasers |
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148 | (2) |
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8.2.2 Frequency Doubling in Solid State Lasers |
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150 | (8) |
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158 | (7) |
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8.3.1 Gas Dynamic Carbon Dioxide Power Lasers |
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158 | (2) |
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160 | (5) |
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9 Pulsed High Peak Power Lasers |
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165 | (12) |
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9.1 Situations in which Pulsed Lasers may be Preferable |
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165 | (2) |
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167 | (3) |
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9.2.1 Mode-Locking Lasers |
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167 | (2) |
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9.2.2 Methods of Implementing Mode Locking |
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169 | (1) |
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170 | (1) |
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9.4 Space and Time Focusing of Laser Light |
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171 | (6) |
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9.4.1 Space Focusing with Arrays and Beamforming |
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171 | (2) |
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9.4.2 Concentrating Light Simultaneously in Time and Space |
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173 | (4) |
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10 Ultrahigh-Power Cyclotron Masers/Lasers |
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177 | (14) |
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10.1 Introduction to Cyclotron or Gyro Lasers and Masers |
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178 | (1) |
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10.1.1 Stimulated Emission in an Electron Cyclotron |
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178 | (1) |
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10.2 Gyrotron-Type Lasers and Masers |
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179 | (5) |
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10.2.1 Principles of Electron Cyclotron Oscillators and Amplifiers |
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180 | (2) |
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10.2.2 Gyrotron Operating Point and Structure |
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182 | (2) |
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10.3 Vircator Impulse Source |
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184 | (7) |
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10.3.1 Rationale for Considering the Vircator |
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184 | (1) |
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10.3.2 Structure and Operation of Vircator |
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184 | (2) |
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10.3.3 Selecting Frequency of Microwave Emission from a Vircator |
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186 | (1) |
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186 | (2) |
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10.3.5 Demonstration Unit of Marx Generator Driving a Vircator |
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188 | (3) |
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11 Free-Electron Laser/Maser |
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191 | (14) |
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11.1 Significance and Principles of Free-Electron Laser/Maser |
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192 | (1) |
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11.1.1 Significance of Free-Electron Laser/Maser |
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192 | (1) |
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11.1.2 Principles of Free-Electron Laser/Maser |
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192 | (1) |
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11.2 Explanation of Free-Electron Laser Operation |
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193 | (6) |
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11.2.1 Wavelength Versatility for Free-Electron Laser |
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194 | (3) |
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11.2.2 Electron Bunching for Stimulated Emission in Free-Electron Laser |
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197 | (2) |
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11.3 Description of High- and Low-Power Demonstrations |
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199 | (6) |
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11.3.1 Proposed Airborne Free-Electron Laser |
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199 | (1) |
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11.3.2 Demonstration of Low-Power System for Free-Electron Maser at 8-12 GHz |
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200 | (1) |
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11.3.3 Achieving Low Frequencies with FELs |
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200 | (3) |
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203 | (1) |
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11.3.5 Design of Magnetic Wiggler |
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203 | (2) |
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III APPLICATIONS TO PROTECT AGAINST MILITARY THREATS |
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205 | (84) |
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12 Laser Protection From Missiles |
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207 | (24) |
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12.1 Protecting from Missiles and Nuclear-Tipped ICBMs |
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208 | (4) |
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12.1.1 Introducing Lasers to Protect from Missiles |
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208 | (1) |
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12.1.2 Protecting from Nuclear-Tipped ICBMs |
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209 | (3) |
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12.2 The Airborne Laser Program for Protecting from ICBMs |
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212 | (11) |
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12.2.1 Lasers in Airborne Laser |
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212 | (1) |
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12.2.2 Incorporating Adaptive Optics for Main Beam Cleanup into Airborne Laser |
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213 | (2) |
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12.2.3 Incorporating Adaptive Optics to Compensate for Atmospheric Turbulence in ABL |
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215 | (1) |
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12.2.4 Illuminating Lasers for Selecting Target Aim Point |
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215 | (2) |
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217 | (1) |
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12.2.6 Challenges Encountered in the ABL Program |
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217 | (2) |
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12.2.7 Modeling Adaptive Optics and Tracking for Airborne Laser |
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219 | (4) |
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12.3 Protecting from Homing Missiles |
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223 | (5) |
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12.3.1 Threat to Aircraft from Homing Missiles |
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223 | (1) |
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12.3.2 Overview of On-Aircraft Laser Countermeasure System |
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224 | (3) |
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12.3.3 Operation of Countermeasure Subsystems |
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227 | (1) |
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12.3.4 Protecting Aircraft from Ground-Based Missiles |
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228 | (1) |
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12.4 Protecting Assets from Missiles |
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228 | (3) |
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13 Laser To Address Threat Of New Nuclear Weapons |
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231 | (6) |
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13.1 Laser Solution to Nuclear Weapons Threat |
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231 | (2) |
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13.1.1 Main Purpose of U.S. and International Efforts |
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231 | (1) |
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13.1.2 Benefits of Massive Laser Project |
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232 | (1) |
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13.1.3 About the NIF Laser |
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232 | (1) |
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13.2 Description of National Infrastructure Laser |
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233 | (4) |
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13.2.1 Structure of the NIF Laser |
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233 | (4) |
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14 Protecting Assets From Directed Energy Lasers |
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237 | (14) |
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14.1 Laser Characteristics Estimated by Laser Warning Device |
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238 | (1) |
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14.2 Laser Warning Devices |
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239 | (12) |
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14.2.1 Grating for Simultaneously Estimating Direction and Frequency |
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240 | (2) |
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14.2.2 Lens for Estimating Direction Only |
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242 | (1) |
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14.2.3 Fizeau Interferometer |
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243 | (2) |
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14.2.4 Integrated Array Waveguide Grating Optic Chip for Spectrum Analysis |
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245 | (4) |
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14.2.5 Design of AWG for Laser Weapons |
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249 | (2) |
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15 Lidar Protects From Chemical/Biological Weapons |
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251 | (14) |
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15.1 Introduction to Lidar and Military Applications |
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252 | (1) |
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15.1.1 Other Military Applications for Lidar |
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252 | (1) |
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15.2 Description of Typical Lidar System |
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253 | (4) |
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253 | (1) |
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15.2.2 Cassegrain Transmit/Receive Antennas |
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254 | (1) |
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15.2.3 Receiver Optics and Detector |
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254 | (1) |
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255 | (2) |
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257 | (5) |
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15.3.1 Fabry-Perot-Based Laboratory Optical Spectrum Analyzer |
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258 | (1) |
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15.3.2 Diffraction-Based Spectrometer |
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258 | (2) |
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15.3.3 Grating Operation in Spectrometer |
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260 | (1) |
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15.3.4 Grating Efficiency |
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261 | (1) |
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15.4 Spectroscopic Lidar Senses Chemical Weapons |
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262 | (3) |
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15.4.1 Transmission Detection of Chemical and Biological Materials |
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262 | (1) |
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15.4.2 Scattering Detection of Chemical and Bacteriological Weapons Using Lidar |
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263 | (2) |
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16 94 Ghz Radar Detects/Tracks/Identifies Objects In Bad Weather |
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265 | (12) |
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16.1 Propagation of Electromagnetic Radiation Through Atmosphere |
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266 | (1) |
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16.2 High-Resolution Inclement Weather 94 GHz Radar |
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267 | (7) |
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16.2.1 94 GHz Radar System Description |
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267 | (2) |
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16.2.2 Gyroklystron with Quasi-Optical Resonator |
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269 | (2) |
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16.2.3 Overmoded Low 94 GHz Loss Transmission Line from Gyroklystron to Antenna |
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271 | (1) |
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16.2.4 Quasi-Optical Duplexer |
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272 | (1) |
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273 | (1) |
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16.2.6 Data Processing and Performance |
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273 | (1) |
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16.3 Applications, Monitoring Space, High Doppler, and Low Sea Elevation |
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274 | (3) |
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16.3.1 Monitoring Satellites in Low Earth Orbit |
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274 | (1) |
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16.3.2 Problem of Detecting and Tracking Lower Earth Orbit Debris |
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275 | (1) |
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16.3.3 Doppler Detection and Identification |
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276 | (1) |
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16.3.4 Low Elevation Radar at Sea |
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276 | (1) |
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17 Protecting From Terrorists With W-Band |
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277 | (12) |
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17.1 Nonlethal Crowd Control with Active Denial System |
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278 | (1) |
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17.2 Body Scanning for Hidden Weapons |
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279 | (3) |
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17.3 Inspecting Unopened Packages |
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282 | (2) |
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17.3.1 Principles for Proposed Unopened Package Inspection |
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283 | (1) |
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17.4 Destruction and Protection of Electronics |
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284 | (5) |
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17.4.1 Interfering or Destroying Enemy Electronics |
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285 | (1) |
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17.4.2 Protecting Electronics from Electromagnetic Destruction |
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286 | (3) |
Bibliography |
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289 | (10) |
Index |
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299 | |