Pressure augmentation of an under-compensated stress-coated membrane mirror

Lee A. Gunderson; Christopher H. M. Jenkins; James M. Wilkes; Dan K. Marker

doi:10.1117/12.560540

12 October 2004 Pressure augmentation of an under-compensated stress-coated membrane mirror

Lee A. Gunderson, Christopher H. M. Jenkins, James M. Wilkes, Dan K. Marker

Proceedings Volume 5553, Advanced Wavefront Control: Methods, Devices, and Applications II; (2004) https://doi.org/10.1117/12.560540
Event: Optical Science and Technology, the SPIE 49th Annual Meeting, 2004, Denver, Colorado, United States

Abstract

This paper continues the work of a previous paper by investigating the concept of an initially parabolic membrane that is "flattened" due to intrinsic stresses and then re-inflated. The pressure to obtain zero apex displacement is determined, and root mean square (RMS) error is calculated. The RMS error is then minimized by varying the pressure. We also investigate the frequency response of a support ring connected to such a membrane. It is shown that the compressive loads applied by the membrane do not change the natural frequencies of the support ring appreciably.

Citation Download Citation

Lee A. Gunderson, Christopher H. M. Jenkins, James M. Wilkes, and Dan K. Marker "Pressure augmentation of an under-compensated stress-coated membrane mirror", Proc. SPIE 5553, Advanced Wavefront Control: Methods, Devices, and Applications II, (12 October 2004); https://doi.org/10.1117/12.560540

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