Alignment of an aspheric mirror subsystem for an advanced infrared catadioptric system

James S. Tingstad

doi:10.1117/12.48649

1 December 1991 Alignment of an aspheric mirror subsystem for an advanced infrared catadioptric system

James S. Tingstad

Proceedings Volume 1527, Current Developments in Optical Design and Optical Engineering; (1991) https://doi.org/10.1117/12.48649
Event: San Diego, '91, 1991, San Diego, CA, United States

Abstract

With many optical systems the method that is used to align the optical system needs to be an integral portion of the system design and not an afterthought. Once all the pieces are in fabrication it may be too late to implement a cost-effective alignment procedure for both prototype and production designs. This is especially true with catadioptric systems where the mirror alignment tends to be very critical as far as system performance is concerned. This paper describes the design and use of an aspheric null mirror for the alignment of a two mirror subsystem to a lens cell. The optical system to be aligned was a six-in. EFL, F/2 system working in the 3-5 micrometers bandpass. It consisted of two aspheric mirrors, one aspheric lens, and two spherical lenses.

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James S. Tingstad "Alignment of an aspheric mirror subsystem for an advanced infrared catadioptric system", Proc. SPIE 1527, Current Developments in Optical Design and Optical Engineering, (1 December 1991); https://doi.org/10.1117/12.48649

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KEYWORDS

Mirrors

Aspheric lenses

Optical alignment

Aspheric optics

Combined lens-mirror systems

Optical engineering

Infrared imaging

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