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Proceedings Paper

Athermalisation Of Infrared Optics: A Review
Author(s): Michael Roberts
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Paper Abstract

Developments in detectors and scanning systems have resulted in an increased demand for optics operating in the thermal infrared waveband (8-12 microns). A continuing concern however for optical and systems designers is the effect of temperature change on the performance of the optical systems. Several optical parameters can be affected by temperature variation but the main problem is that of focus shift (or decollimation in the case of afocal optics) and the consequential degradation in image quality. The correction of this effect is usually referred to as athermalisation. A variety of techniques are available. This paper reviews the options with an emphasis on optical athermalisation methods.

Paper Details

Date Published: 13 June 1989
PDF: 10 pages
Proc. SPIE 1049, Recent Trends in Optical Systems Design and Computer Lens Design Workshop II, (13 June 1989); doi: 10.1117/12.951409
Show Author Affiliations
Michael Roberts, Pilkington P.E. Limited (UK)

Published in SPIE Proceedings Vol. 1049:
Recent Trends in Optical Systems Design and Computer Lens Design Workshop II
Robert E. Fischer; Richard C. Juergens, Editor(s)

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