LISALISA - iucaa

More documents

Recommendations

Info

Contents 3.4.1 The proof mass . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49 3.4.2 The inertial sensor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49 3.4.3 The optical bench . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49 3.4.4 The telescope . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50 3.4.5 The support structure . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50 3.4.6 The thermal shield . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50 3.4.7 The star trackers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50 3.5 Lasers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51 3.6 Data extraction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51 3.7 Drag-free and attitude control . . . . . . . . . . . . . . . . . . . . . . . . . . . . 52 3.8 Ultrastable structures . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 52 3.9 System options and trade-off . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53 3.10 Summary tables . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53 4 Measurement Sensitivity 57 4.1 Interferometer response . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 57 4.2 Noises and error sources . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 59 4.2.1 The noise effects . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 59 4.2.2 The noise types . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 59 4.2.3 Shot noise . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 60 4.2.4 Optical-path noise budget . . . . . . . . . . . . . . . . . . . . . . . . . . 60 4.2.5 Acceleration noise budget . . . . . . . . . . . . . . . . . . . . . . . . . . 62 5 The Interferometer 65 5.1 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 65 5.2 Phase locking and heterodyne detection . . . . . . . . . . . . . . . . . . . . . . 65 5.3 Interferometric layout . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 66 5.3.1 The optical bench of PPA2 . . . . . . . . . . . . . . . . . . . . . . . . . 67 5.3.2 Optical bench, revisited . . . . . . . . . . . . . . . . . . . . . . . . . . . 68 5.3.3 Telescope assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 72 5.4 System requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 72 5.4.1 Laser power and shot noise . . . . . . . . . . . . . . . . . . . . . . . . . 72 5.4.2 Beam divergence . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 72 5.4.3 Efficiency of the optical chain . . . . . . . . . . . . . . . . . . . . . . . . 72 5.4.4 Shot noise limit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 73 5.5 Laser system . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 73 5.5.1 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 73 5.5.2 Laser system components . . . . . . . . . . . . . . . . . . . . . . . . . . 75 5.6 Laser performance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 76 5.6.1 Laser frequency noise . . . . . . . . . . . . . . . . . . . . . . . . . . . . 76 5.6.2 Laser power noise . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 77 13-9-2000 11:47 x Corrected version 1.04
Contents 5.6.3 On-board frequency reference . . . . . . . . . . . . . . . . . . . . . . . . 77 5.7 Beam pointing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 78 5.7.1 Pointing stability . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 78 5.7.2 Pointing acquisition . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 79 5.7.3 Final focusing and pointing calibration . . . . . . . . . . . . . . . . . . . 79 5.7.4 Point-ahead angle . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 79 5.8 Thermal stability . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 82 6 Inertial Sensor and Drag-Free Control 85 6.1 The inertial sensor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 85 6.1.1 Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 85 6.1.2 CAESAR sensor head . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 86 6.1.3 Electronics configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . 87 6.1.4 Evaluation of performances . . . . . . . . . . . . . . . . . . . . . . . . . 90 6.1.5 Sensor operation modes . . . . . . . . . . . . . . . . . . . . . . . . . . . 91 6.1.6 Proof-mass charge control . . . . . . . . . . . . . . . . . . . . . . . . . . 91 6.2 Drag-free/attitude control system . . . . . . . . . . . . . . . . . . . . . . . . . . 92 6.2.1 Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 92 6.2.2 DFACS controller modes . . . . . . . . . . . . . . . . . . . . . . . . . . . 93 6.2.3 Autonomous star trackers . . . . . . . . . . . . . . . . . . . . . . . . . . 94 6.3 Accelerations directly affecting the proof-mass . . . . . . . . . . . . . . . . . . . 95 7 Signal Extraction and Data Analysis 97 7.1 Signal extraction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 97 7.1.1 Phase measurement . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 97 7.2 Frequency-domain cancellation of laser noise . . . . . . . . . . . . . . . . . . . . 97 7.2.1 Laser noise . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 97 7.2.2 Clock noise . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 99 7.2.3 Other approaches . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 100 7.3 Time-domain cancellation of laser phase noise . . . . . . . . . . . . . . . . . . . 100 7.4 Alternative laser-phase and optical-bench noise-canceling methods . . . . . . . 101 7.4.1 Notation and geometry . . . . . . . . . . . . . . . . . . . . . . . . . . . 102 7.4.2 Gravitational wave signal transfer function to single laser link . . . . . . 104 7.4.3 Noise transfer function to single laser link . . . . . . . . . . . . . . . . . 104 7.4.4 Combinations that eliminate laser noises and optical bench motions . . 104 7.4.5 Gravitational wave sensitivities . . . . . . . . . . . . . . . . . . . . . . . 109 7.5 Data analysis . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 112 7.5.1 Data reduction and filtering . . . . . . . . . . . . . . . . . . . . . . . . . 113 7.5.2 Angular resolution . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 115 7.5.3 Polarization resolution and amplitude extraction . . . . . . . . . . . . . 121 7.5.4 Results for MBH coalescence . . . . . . . . . . . . . . . . . . . . . . . . 123 Corrected version 1.04 xi 13-9-2000 11:47
Page 1: LISA Laser Interferometer Space Ant
Page 4 and 5: Front cover figure : Artist’s con
Page 6 and 7: 13-9-2000 11:47 iv Corrected versio
Page 8 and 9: Foreword making the detection of gr
Page 10 and 11: 13-9-2000 11:47 viii Corrected vers
Page 14 and 15: Contents 7.5.5 Estimation of backgr
Page 16 and 17: Contents 11.3 SMART 2 technologies
Page 18 and 19: Contents References 307 Acronyms 31
Page 20 and 21: Executive Summary varying strain in
Page 22 and 23: Executive Summary which are only ob
Page 24 and 25: 13-9-2000 11:47 6 Corrected version
Page 26 and 27: Chapter 1 Scientific Objectives poi
Page 28 and 29: Chapter 1 Scientific Objectives par
Page 30 and 31: Chapter 1 Scientific Objectives 1.1
Page 32 and 33: Chapter 1 Scientific Objectives bec
Page 34 and 35: Chapter 1 Scientific Objectives whe
Page 36 and 37: Chapter 1 Scientific Objectives 1.2
Page 38 and 39: Chapter 1 Scientific Objectives bea
Page 40 and 41: Chapter 1 Scientific Objectives are
Page 42 and 43: Chapter 1 Scientific Objectives the
Page 44 and 45: Chapter 1 Scientific Objectives it
Page 46 and 47: Chapter 1 Scientific Objectives -15
Page 48 and 49: Chapter 1 Scientific Objectives If
Page 50 and 51: Chapter 1 Scientific Objectives the
Page 52 and 53: 13-9-2000 11:47 34 Corrected versio
Page 54 and 55: Chapter 2 Different Ways of Detecti
Page 56 and 57: MNPO MNO QRTS QUS V2SWO XZY¢O [¦\
Page 62 and 63:
Chapter 2 Different Ways of Detecti
Page 64 and 65:
Chapter 3 The LISA Concept - An Ove
Page 66 and 67:
Page 68 and 69:
Page 70 and 71:
Page 72 and 73:
Page 74 and 75:
Page 76 and 77:
Chapter 4 Measurement Sensitivity 0
Page 78 and 79:
Chapter 4 Measurement Sensitivity 1
Page 80 and 81:
Chapter 4 Measurement Sensitivity (
Page 82 and 83:
13-9-2000 11:47 64 Corrected versio
Page 84 and 85:
Chapter 5 The Interferometer Figure
Page 86 and 87:
Chapter 5 The Interferometer Figure
Page 88 and 89:
Chapter 5 The Interferometer The pr
Page 90 and 91:
Chapter 5 The Interferometer manufa
Page 92 and 93:
Chapter 5 The Interferometer into t
Page 94 and 95:
Chapter 5 The Interferometer The el
Page 96 and 97:
Chapter 5 The Interferometer causin
Page 98 and 99:
Chapter 5 The Interferometer betwee
Page 100 and 101:
Chapter 5 The Interferometer - The
Page 102 and 103:
Page 104 and 105:
Chapter 6 Inertial Sensor and Drag-
Page 106 and 107:
Page 108 and 109:
Page 110 and 111:
Page 112 and 113:
Page 114 and 115:
Page 116 and 117:
Chapter 7 Signal Extraction and Dat
Page 118 and 119:
Page 120 and 121:
Page 122 and 123:
Page 124 and 125:
Page 126 and 127:
Page 128 and 129:
Page 130 and 131:
Page 132 and 133:
Page 134 and 135:
Page 136 and 137:
Page 138 and 139:
Page 140 and 141:
Page 142 and 143:
Page 144 and 145:
Page 146 and 147:
¨ú $˜û # £',+&úù )*$$ Chapt
Page 148 and 149:
Chapter 8 Payload Design 8.2.3 Payl
Page 150 and 151:
Chapter 8 Payload Design should be
Page 152 and 153:
Chapter 8 Payload Design Location T
Page 154 and 155:
H Chapter 8 Payload Design - .0/214
Page 156 and 157:
switchable bus control Chapter 8 Pa
Page 158 and 159:
Chapter 9 Spacecraft Design assembl
Page 160 and 161:
Chapter 9 Spacecraft Design The two
Page 162 and 163:
Chapter 9 Spacecraft Design 9.3 The
Page 164 and 165:
Chapter 9 Spacecraft Design Table 9
Page 166 and 167:
Chapter 9 Spacecraft Design directi
Page 168 and 169:
Chapter 9 Spacecraft Design Figure
Page 170 and 171:
Chapter 9 Spacecraft Design Figure
Page 172 and 173:
Chapter 9 Spacecraft Design 9.4.3 S
Page 174 and 175:
Chapter 9 Spacecraft Design tempera
Page 176 and 177:
Chapter 9 Spacecraft Design Tempera
Page 178 and 179:
Chapter 9 Spacecraft Design Further
Page 180 and 181:
Chapter 9 Spacecraft Design Normall
Page 182 and 183:
Chapter 9 Spacecraft Design eject R
Page 184 and 185:
Chapter 9 Spacecraft Design • The
Page 186 and 187:
N&OP Q&RS2RUT VWRXY:Z X2M [?\:RP:PY
Page 188 and 189:
Chapter 9 Spacecraft Design LEONARD
Page 190 and 191:
Chapter 9 Spacecraft Design The fol
Page 192 and 193:
Chapter 9 Spacecraft Design TM TC T
Page 194 and 195:
Chapter 9 Spacecraft Design shall n
Page 196 and 197:
Chapter 9 Spacecraft Design of the
Page 198 and 199:
Chapter 9 Spacecraft Design 9.7.5 C
Page 200 and 201:
Chapter 9 Spacecraft Design device
Page 202 and 203:
13-9-2000 11:47 184 Corrected versi
Page 204 and 205:
Chapter 10 Mission Analysis launch.
Page 206 and 207:
Chapter 10 Mission Analysis maneuve
Page 208 and 209:
Chapter 10 Mission Analysis separat
Page 210 and 211:
Chapter 10 Mission Analysis Figure
Page 212 and 213:
Chapter 10 Mission Analysis plane,
Page 214 and 215:
Chapter 10 Mission Analysis Earth 5
Page 216 and 217:
Page 218 and 219:
Chapter 11 Technology Demonstration
Page 220 and 221:
Page 222 and 223:
Page 224 and 225:
Page 226 and 227:
Chapter 12 Science and Mission Oper
Page 228 and 229:
Page 230 and 231:
Page 232 and 233:
Page 234 and 235:
Page 236 and 237:
Page 238 and 239:
Page 240 and 241:
Collaboration, Management, Schedule
Page 242 and 243:
Page 244 and 245:
Appendix LISA averaged Sensitivity
Page 246 and 247:
Appendix stability of straylight pa
Page 248 and 249:
Appendix serve aside from their fun
Page 250 and 251:
Appendix Optical path-lengths: L 12
Page 252 and 253:
Appendix • a fall-back configurat
Page 254 and 255:
Appendix Table A.1 Null space of th
Page 256 and 257:
Appendix • ambiguities exist betw
Page 258 and 259:
Appendix Table A.3 Sensitivity of m
Page 260 and 261:
Appendix ( ) −R ∂M ∂x j · st
Page 262 and 263:
Appendix 0.1 Pathlength Error rad/S
Page 264 and 265:
Appendix size in the phase meter. A
Page 266 and 267:
Appendix Table A.4 Properties of th
Page 268 and 269:
Appendix • Acceleration resulting
Page 270 and 271:
Appendix Table A.7 Pre-Phase A opti
Page 272 and 273:
Appendix effects. • Two types of
Page 274 and 275:
Appendix -8 1. 10 Optical Path Erro
Page 276 and 277:
Appendix A.2.2 Modelling the charge
Page 278 and 279:
Appendix right through). The curve
Page 280 and 281:
Appendix where the first term ( ˙Q
Page 282 and 283:
Appendix The charge build-up will b
Page 284 and 285:
Appendix The integration times give
Page 286 and 287:
Appendix The integral divides natur
Page 288 and 289:
Appendix shorter period than this,
Page 290 and 291:
Appendix + HW HU R G\QH O DV HU L
Page 292 and 293:
Appendix A.4.4 Laser metrology harn
Page 294 and 295:
Appendix beamwidth of the diode las
Page 296 and 297:
Appendix of less then 100 kHz in th
Page 298 and 299:
Appendix The phase noise characteri
Page 300 and 301:
Appendix Table A.14 Experimental re
Page 302 and 303:
Appendix Table A.16 Photodiodes for
Page 304 and 305:
Appendix Figure A.26 Telescope desi
Page 306 and 307:
Appendix • minimise external stra
Page 308 and 309:
Appendix A telescope with a CFRP st
Page 310 and 311:
Appendix • no WFE impact over a -
Page 312 and 313:
Appendix On the basis of the above
Page 314 and 315:
Appendix
Page 316 and 317:
Appendix A.7.4 Location of the cent
Page 318 and 319:
Appendix A.7.4.4 Conclusion Conside
Page 320 and 321:
Appendix The voice-coil solution wo
Page 322 and 323:
Appendix The plots that will be pre
Page 324 and 325:
Page 326 and 327:
References [18] V.M. Lipunov, K.A.
Page 328 and 329:
References [59] M.J. Rees: Astrophy
Page 330 and 331:
References [101] L. Morgenroth, LIS
Page 332 and 333:
References [135] B.T.C. Zandbergen,
Page 334 and 335:
Acronyms - and other abbreviations
Page 336 and 337:
Acronyms ETR Extended Tuning Range
Page 338 and 339:
Acronyms NAO National Astronomical
Page 340:
Acronyms TC TeleCommand TCS Thermal
show all

LISALISA - iucaa

You also want an ePaper? Increase the reach of your titles

Delete template?

Save as template?