Structural Mechanics of Optical Systems II: 13-15 January 1987, Los Angeles, CaliforniaAlson E. Hatheway |
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 back surface beam beam expander beryllium calculated closed form closed loop co-alignment coefficients components configuration control system curves damping data base management deformation diameter displacement distortion disturbance dynamic effect EGRID equations error facesheet thickness ratio fibre finite element analysis finite element model flexural rigidity frequency function glass hole input integrated Invar Keck Observatory Keck telescope kg/m² laser light-weighted linear material matrix measured method modal mode shape mount MSC/NASTRAN Multiple Mirror Telescope NASTRAN neutral plane normalized open back optical elements optical systems optimum Philco Ford plate polynomial predicted primary mirror problem radial radius response rms deflection 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 per unit Zernike Zernike polynomials zero Zerodur