High bandwidth fast steering mirror

Francisc M. Tapos; Derek J. Edinger; Timothy R. Hilby; Melvin S. Ni; Buck C. Holmes; David M. Stubbs

doi:10.1117/12.617960

9 September 2005 High bandwidth fast steering mirror

Francisc M. Tapos, Derek J. Edinger, Timothy R. Hilby, Melvin S. Ni, Buck C. Holmes, David M. Stubbs

Proceedings Volume 5877, Optomechanics 2005; 587707 (2005) https://doi.org/10.1117/12.617960
Event: Optics and Photonics 2005, 2005, San Diego, California, United States

Abstract

A high bandwidth, gimbaled, fast steering mirror (FSM) assembly has been designed and tested at the Lockheed Martin Space Systems Company (LMSSC) Advanced Technology Center (ATC). The design requirements were to gimbal a 5 cm diameter mirror about its reflective surface, and provide 1 KHz tip/tilt/piston control while maintaining λ/900 flatness of the mirror. The simple, yet very compact and rugged device also has manual tip/tilt/piston alignment capability. The off-the-shelf Piezo translators (PZT) actuators enable reliable and repeatable closed loop control. The adopted solution achieves a good mass balance and gimbaled motion about the center of the mirror front surface. Special care was taken to insure the best positioning means with the mounted mirror assembly held kinematically in place. The manual adjusters have very good resolution, with the capability to be locked in place. All solutions were thoroughly modeled and analyzed. This paper covers the design, analysis, fabrication, assembly, and testing of this device. The FSM was designed for ground test only.

Citation Download Citation

Francisc M. Tapos, Derek J. Edinger, Timothy R. Hilby, Melvin S. Ni, Buck C. Holmes, and David M. Stubbs "High bandwidth fast steering mirror", Proc. SPIE 5877, Optomechanics 2005, 587707 (9 September 2005); https://doi.org/10.1117/12.617960

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