Translator Disclaimer
1 July 2009 System for establishing best focus for the Orbiting Carbon Observatory instrument
Author Affiliations +
A technology for establishing best focus of an optical system is described. This technology was recently used to establish best focus of the Orbiting Carbon Observatory spectrometers while the instrument was undergoing thermal-vacuum testing. Three piezo-actuated motors were used to adjust the tip, tilt, and piston of a focal plane assembly relative to the spectrometer's optical system. A set of optical displacement sensors measured tip-tilt-piston throughout the focusing process. With best focus established and confirmed using a pupil-slicing technique, the corresponding sensor measurements were used to specify the geometry and dimensions of a precision-ground shim ring.
©(2009) Society of Photo-Optical Instrumentation Engineers (SPIE)
Carl Christian Liebe, Harold R. Pollock, Brett Hannah, Randall K. Bartman, Costin Radulescu, Mayer Rud, and Joseph A. Esposito "System for establishing best focus for the Orbiting Carbon Observatory instrument," Optical Engineering 48(7), 073605 (1 July 2009).
Published: 1 July 2009


Review of imaging spectrometers at ABB Bomem
Proceedings of SPIE (September 23 2003)
Results from the VLTI-PRIMA fringe tracking testbed
Proceedings of SPIE (July 28 2008)
NIRCam thermal subsystem
Proceedings of SPIE (September 12 2007)

Back to Top