## Structural mechanics of optical systems II: 13-15 January 1987, Los Angeles, California |

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### Contents

ASTRONOMICAL OBSERVATORIES | 7 |

SYSTEM DESIGN AND CONSTRUCTION | 39 |

SPECIAL TECHNIQUES AND DEVICES | 59 |

Copyright | |

3 other sections not shown

### Common terms and phrases

actuators alignment analysis applied approximation arcseconds axial axis azimuth beam beryllium calculated closed form closed loop co-alignment coefficients components configuration control system curves damping data base management deflection deformation density diameter displacement distortion disturbance dynamic effect equations error facesheet thickness ratio fibre finite element analysis finite element model flexural rigidity frequency function hole input integrated Invar Keck Observatory Keck telescope laser light-weighted linear material matrix measured meters method modal mode shape mount MSC/NASTRAN Multiple Mirror Telescope NASTRAN neutral plane normalized open back optical elements Optical surface optical systems optimum Philco Ford polynomial power spectral density predicted primary mirror problem radial radius rear facesheet thickness response robust secondary mirror segment sensor shown in Figure Sine solution space stiffness strain temperature pattern thermal load tilt torque tracking truss variation vibration suppression wavefront weight Zernike Zernike polynomials zero Zerodur