Review on active optics methods: What can we do by elastic bending?

Gérard R. Lemaitre

doi:10.1117/12.866349

6 October 2010 Review on active optics methods: What can we do by elastic bending?

Gérard R. Lemaitre

Proceedings Volume 7655, 5th International Symposium on Advanced Optical Manufacturing and Testing Technologies: Advanced Optical Manufacturing Technologies; 76550A (2010) https://doi.org/10.1117/12.866349
Event: 5th International Symposium on Advanced Optical Manufacturing and Testing Technologies, 2010, Dalian, China

Abstract

Current trends in the development of active optics methods are reviewed. These methods allow generating smooth optical surfaces by either in-situ stressing or stress figuring. Such surfaces are free from ripple errors - i.e. high spatial frequency errors - and thus are useful to achieve high angular resolution and high contrast imaging in astronomy. Interferometric results of many cases from infrared to ultraviolet are displayed in reviewing various telescope optics cases: aspherized corrector plates, near normal incidence on- or off-axis aspherized mirrors, variable curvature mirrors, aberration corrected diffraction gratings, varying aberration compensators. Potential application cases are presented for quasi-tubular monolithic and segmented X-ray telescope mirrors.

Citation Download Citation

Gérard R. Lemaitre "Review on active optics methods: What can we do by elastic bending?", Proc. SPIE 7655, 5th International Symposium on Advanced Optical Manufacturing and Testing Technologies: Advanced Optical Manufacturing Technologies, 76550A (6 October 2010); https://doi.org/10.1117/12.866349

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