Optomechanical tolerancing with Monte Carlo techniques

Victor Genberg; Gregory Michels; Gary Bisson

doi:10.1117/12.892580

24 September 2011 Optomechanical tolerancing with Monte Carlo techniques

Victor Genberg, Gregory Michels, Gary Bisson

Proceedings Volume 8125, Optomechanics 2011: Innovations and Solutions; 81250B (2011) https://doi.org/10.1117/12.892580
Event: SPIE Optical Engineering + Applications, 2011, San Diego, California, United States

Abstract

Mechanical tolerances within an optical system can consist of a wide array of variables including machining tolerances, variability in material properties, uncertainty in applied loads, and discrete resolution of actuation hardware. This paper discusses methods to use integrated modeling and Monte Carlo techniques to determine the effect of such tolerances on optical performance so that the allocation of such tolerances is based upon optical performance metrics. With many random variables involved, statistical approaches provide a useful means to study performance metrics. Examples include the effect of mount flatness on surface RMS and Zernike coefficients and the effect of actuator resolution on the performance of an adaptively corrected deformable mirror. Coefficient of thermal expansion and thermal control tolerances impacting both line-of-sight errors and surface RMS errors are also addressed.

Citation Download Citation

Victor Genberg, Gregory Michels, and Gary Bisson "Optomechanical tolerancing with Monte Carlo techniques", Proc. SPIE 8125, Optomechanics 2011: Innovations and Solutions, 81250B (24 September 2011); https://doi.org/10.1117/12.892580

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