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1 Fundamentals of Optical Telescopes |
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1 | |
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1.1 A Brief History of Optical Telescopes |
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1 | |
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1.2 General Astronomical Requirements |
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6 | |
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6 | |
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1.2.2 Light Collecting Power and Limiting Star Magnitude |
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14 | |
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1.2.3 Field of View and Combined Efficiency |
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25 | |
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1.2.4 Atmospheric Windows and Site Selection |
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28 | |
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1.3 Fundamentals of Astronomical Optics |
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32 | |
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1.3.1 Optical Systems for Astronomical Telescopes |
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32 | |
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1.3.2 Aberrations and Their Calculations |
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40 | |
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1.3.3 Formulas of Telescope Aberrations |
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46 | |
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1.3.4 Field Corrector Design |
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51 | |
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1.3.5 Ray Tracing, Spot Diagram, and Merit Function |
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57 | |
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1.4 Modern Optical Theory |
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62 | |
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1.4.1 Optical Transfer Function |
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62 | |
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1.4.2 Wave Aberrations and Modulation Transfer Function |
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68 | |
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1.4.3 Wavefront Error and the Strehl Ratio |
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73 | |
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1.4.4 Image Spatial Frequency |
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74 | |
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1.4.5 Image Property of a Segmented Mirror System |
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81 | |
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84 | |
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2 Mirror Design For Optical Telescopes |
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87 | |
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2.1 Specifications for Optical Mirror Design |
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87 | |
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2.1.1 Fundamental Requirements for Optical Mirrors |
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87 | |
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2.1.2 Mirror Surface Error and Mirror Support Systems |
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90 | |
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2.1.3 Surface Error Fitting and Slope Error Expression |
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100 | |
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2.2 Lightweight Primary Mirror Design |
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101 | |
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2.2.1 Significance of Lightweight Mirrors for Telescopes |
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101 | |
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102 | |
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2.2.3 Honeycomb Mirror Design |
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106 | |
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2.2.4 Multi-Mirror Telescopes |
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109 | |
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2.2.5 Segmented Mirror Telescopes |
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111 | |
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2.2.6 Metal and Lightweight Minors |
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115 | |
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2.3 Mirror Polishing and Mirror Mirror Supporting |
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119 | |
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2.3.1 Material Properties of Optical Mirrors |
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119 | |
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2.3.2 Optical Mirror Polishing, |
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122 | |
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125 | |
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2.3.4 Mirror Support ing Mechanisms |
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126 | |
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2.4 Mirror Seeing and Stray Light Control |
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131 | |
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2.4.1 Mirror Seeing Effect |
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131 | |
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2.4.2 Stray Light Control |
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135 | |
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139 | |
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3 Telescope Structures and Control System |
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141 | |
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141 | |
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3.1.1 Equatorial Mounting |
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141 | |
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3.1.2 Altitude-Azimuth Mounting |
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143 | |
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3.1.3 Stewart Platform Mounting |
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151 | |
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3.1.4 Fixed Mirror or Fixed Altitude Mountings |
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158 | |
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3.2 Telescope Tube and Other Structure Design |
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159 | |
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3.2.1 Specifications for Telescope Tube Design |
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159 | |
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3.2.2 Telescope Tube Design |
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160 | |
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3.2.3 Support Vane Design for Secondary Mirror |
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164 | |
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3.2.4 Telescope Bearing Design |
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165 | |
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3.2.5 Structural Static Analysis |
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170 | |
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3.3 Telescope Drive and Control |
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174 | |
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3.3.1 Specifications of a Telescope Drive System |
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174 | |
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3.3.2 Trends in Drive System Design |
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176 | |
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3.3.3 Encoder Systems for Telescopes |
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177 | |
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3.3.4 Pointing Error Corrections |
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187 | |
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3.3.5 Servo Control and Distributed Intelligence |
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189 | |
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194 | |
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3.4 Structural Dynamic Analysis |
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198 | |
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3.4.1 Wind and Earthquake Spectrums |
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198 | |
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3.4.2 Dynamic Simulation of Telescope Structures |
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205 | |
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3.4.3 Combined Structural and Control Simulation |
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211 | |
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3.4.4 Structure Vibration Control |
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212 | |
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3.4.5 Telescope Foundation Design |
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218 | |
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220 | |
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4 Advanced Techniques for Optical Telescopes |
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223 | |
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4.1 Active and Adaptive Optics |
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223 | |
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4.1.1 Basic Principles of Active and Adaptive Optics |
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223 | |
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226 | |
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4.1.3 Actuators, Deformable Mirrors, Phase Correctors, and Metrology Systems |
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236 | |
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4.1.4 Active Optics System and Phasing Sensors |
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244 | |
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4.1.5 Curvature Sensors and Tip-Tilt Devices |
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258 | |
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4.1.6 Atmospheric Disturbance and Adaptive Optics Compensation |
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264 | |
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4.1.7 Artificial Laser Guide Star and Adaptive Optics |
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270 | |
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4.1.8 Atmosphere Tomography and Multi-Conjugate Adaptive Optics |
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275 | |
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4.1.9 Adaptive Secondary Mirror Design |
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280 | |
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4.2 Optical Interferometers |
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282 | |
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4.2.1 Speckle Interferometer Technique |
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282 | |
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4.2.2 Michelson Interferometer |
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286 | |
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4.2.3 Fizeau Interferometry |
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292 | |
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4.2.4 Intensity Interferometer |
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293 | |
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4.2.5 Amplitude Interferometer |
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300 | |
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305 | |
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5 Space Telescope Projects and their Development |
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309 | |
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5.1 Orbit Environmental Conditions |
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309 | |
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310 | |
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5.1.2 Orbit Thermal Conditions |
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312 | |
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5.1.3 Other Orbit Conditions |
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316 | |
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5.2 Attitude Control of Space Telescopes |
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321 | |
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321 | |
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323 | |
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5.3 Space Telescope Projects |
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323 | |
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5.3.1 Hubble Space Telescope |
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323 | |
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5.3.2 James Webb Space Telescope |
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326 | |
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5.3.3 The Space Interferometry Mission and Other Space Programs |
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331 | |
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336 | |
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6 Fundamentals of Radio Telescopes |
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339 | |
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6.1 Brief History of Radio Telescopes |
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339 | |
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6.2 Scientific Requirements for Radio Telescopes |
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341 | |
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6.3 Atmospheric Radio Windows and Site Selection |
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345 | |
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6.4 Parameters of Radio Antennas |
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351 | |
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351 | |
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352 | |
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6.4.3 Antenna Temperature and Noise Temperature |
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353 | |
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355 | |
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6.4.5 Polarization Properties |
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357 | |
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6.4.6 Optical Arrangement of Radio Antennas |
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359 | |
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6.4.7 Characteristics of Offset Antennas |
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368 | |
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6.5 Radio Telescope Receivers |
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374 | |
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375 | |
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377 | |
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7.1 Antenna Tolerance and Homologous Design |
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377 | |
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7.1.1 Transmission Loss of Electromagnetic Waves |
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377 | |
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7.1.2 Antenna Tolerance Theory |
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379 | |
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384 | |
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7.1.4 Antenna Surface Fitting |
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387 | |
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7.1.5 Positional Tolerances of Antenna Reflector and Feed |
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390 | |
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7.1.6 Aperture Blockage and Ground Radiation Pickup |
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396 | |
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7.1.7 Antenna Surface Fitting Through Ray Tracing |
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401 | |
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7.2 Radio Telescope Structure Design |
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404 | |
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7.2.1 General Types of Radio Antennas |
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404 | |
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7.2.2 Steertible Parabolic Antenna Design |
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412 | |
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7.2.3 Wind Effect on Antenna Structures |
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418 | |
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7.2.4 Active Control of Radio Telescopes |
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420 | |
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7.3 Radio Interferometers |
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428 | |
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7.3.1 Fundamentals of Radio Interferometers |
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428 | |
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7.3.2 Aperture Synthesis Telescopes |
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430 | |
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7.3.3 Weiner Kliinchin and Van CittertZernike Theorems |
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433 | |
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7.3.4 Calibration: Active Optics After Observation |
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434 | |
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7.3.5 Very Large Array, Expanded Very Large Array, and Square Kilometer Array |
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437 | |
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7.3.6 Very Long Baseline Interferometer |
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438 | |
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7.3.7 Space Radio Interferometers |
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439 | |
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440 | |
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8 Millimeter and Submillimeter Wavelength Telescopes |
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443 | |
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8.1 Thermal Effects on Millimeter Wavelength Telescopes |
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443 | |
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8.1.1 Characteristics of Millimeter Wavelength Telescopes |
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444 | |
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8.1.2 Thermal Conditions of Open Air Antennas |
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446 | |
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8.1.3 Heat Transfer Formulae |
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447 | |
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8.1.4 Panel Thermal Design |
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452 | |
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8.1.5 Backup Structure Thermal Design |
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455 | |
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8.2 Structural Design of Millimeter Wavelength Antennas |
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459 | |
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8.2.1 Panel Requirements and Manufacture |
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459 | |
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8.2.2 Backup Structure Design |
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463 | |
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8.2.3 Design of Chopping Secondary Mirror |
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465 | |
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8.2.4 Sensors, Metrology, and Optical Pointing Telescopes |
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468 | |
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8.2.5 Active Optics Used in Millimeter Antennas |
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471 | |
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8.2.6 Antenna Lightning Protection |
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472 | |
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8.3 Carbon Fiber Composite Materials |
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474 | |
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8.3.1 Properties of Carbon Fiber Composites |
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474 | |
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8.3.2 Thermal Deformation of Shaped Sandwiched Structures |
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477 | |
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8.3.3 CFRP-Metal Joint Design |
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482 | |
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8.4 Holographic Measurements and Quasi-Optics |
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487 | |
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8.4.1 Holographic Measurements of Antenna Surfaces |
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487 | |
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8.4.2 Surface Panel Adjusting |
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493 | |
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494 | |
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8.4.4 Broadband Planar Antennas |
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496 | |
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498 | |
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9 Infrared, Ultraviolet, X-Ray, and Gamma Ray Telescopes |
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501 | |
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501 | |
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9.1.1 Requirements of Infrared Telescopes |
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501 | |
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9.1.2 Structural Properties of Infrared Telescopes |
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505 | |
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9.1.3 Balloon-Borne and Space-Based Infrared Telescopes |
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509 | |
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9.2 X-Ray and Ultraviolet Telescopes |
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513 | |
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9.2.1 Properties of X-Ray Radiation |
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513 | |
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9.2.2 X-Ray Imaging Telescopes |
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519 | |
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9.2.3 Space X-ray Telescopes |
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524 | |
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9.2.4 Microarcsecond X-ray Image Mission |
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526 | |
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9.2.5 Space Ultraviolet Telescopes |
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529 | |
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531 | |
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9.3.1 Gamma Ray Fundamentals |
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531 | |
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9.3.2 Gamma Ray Coded Mask Telescopes |
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532 | |
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9.3.3 Compton Scattering and Pair Telescopes |
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535 | |
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9.3.4 Space Gamma Ray Telescopes |
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538 | |
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9.3.5 Air Cherenkov Telescopes |
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539 | |
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9.3.6 Extensive Air Shower Array |
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545 | |
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9.3.7 Major Ground-Based Gamma Ray Projects |
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546 | |
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547 | |
10 Gravitational Wave, Cosmic Ray and Dark Matter Telescopes |
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549 | |
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10.1 Gravitational Wave Telescopes |
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549 | |
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10.1.1 Gravitational Wave Fundamentals |
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549 | |
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10.1.2 Resonant Gravitational Wave Telescopes |
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552 | |
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10.1.3 Laser Interferometer Gravitational Wave Detectors |
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555 | |
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10.1.4 Important Gravitational Wave Telescope Projects |
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562 | |
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10.1.5 Other Gravitational Wave and Gravity Telescopes |
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564 | |
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10.2 Cosmic Ray Telescopes |
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566 | |
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10.2.1 Cosmic Ray Spectrum |
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566 | |
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10.2.2 Cosmic Ray EAS Array Telescopes |
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569 | |
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10.2.3 Cosmic Ray Fluorescence Detectors |
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570 | |
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10.2.4 Magnetic Spectrometer Detectors |
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573 | |
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10.3 Dark Matter Detectors |
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574 | |
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10.3.1 Cold and Hot Dark Matter |
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574 | |
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10.3.2 Detection of Neutrinos |
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576 | |
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10.3.3 Status of Neutrino Telescopes |
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579 | |
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10.3.4 Detection of Cold Dark Matter |
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581 | |
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585 | |
11 Review of Astronomical Telescopes |
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587 | |
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587 | |
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11.2 Electromagnetic Wave and Atmosphere Transmission |
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588 | |
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11.3 Nonelectromagnetic Telescopes |
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592 | |
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11.4 Ground Astronomical Telescopes |
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593 | |
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11.5 Space Astronomical Telescopes |
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597 | |
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11.6 Man's Space Mission, |
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598 | |
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599 | |
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601 | |
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601 | |
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602 | |
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602 | |
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11.6.6 Saturn, Uranus, Neptune, and Pluto Missions |
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603 | |
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11.6.7 Asteroids and Comet Missions |
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603 | |
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11.7 Reconnaissance Telescopes |
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604 | |
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606 | |
Appendix A |
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607 | |
Appendix B |
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613 | |
Index |
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615 | |