Paper
21 September 1998 Optical design software on thermal effects analysis
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Proceedings Volume 3482, International Optical Design Conference 1998; (1998) https://doi.org/10.1117/12.322035
Event: International Optical Design Conference, 1998, Kona, HI, United States
Abstract
Most optical systems are generally used in normal conditions, that means, in normal temperature and pressure. but some optical systems,f or example, those specially used in remote satellite or in aerospace, may be affected by the thermal effects caused by the environmental temperature variation. Some deviations will take place in the refractive indices, curvatures, element thicknesses and airspaces of these systems due to the great variation and difference in temperature, pressure and radiation, and certainly the image quality of the systems will be also not as good as that before. Therefore, when we design these systems, the most important thing is to eliminate the thermal effects caused by the environmental temperature. Most of the previous research involved description of the uniform temperature fields, and some researchers studied the theory of radial distribution of temperature gradients in optical glass lenses. Only in recent years the athermalisation techniquies are proposed and some special examples are reported. Several famous optical design corporations have adopted the techniques and used in their optical design software, for example CODE V of O.R.A. and OSLO Six of Sinclair, however these achievements are only initiatory.
© (1998) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Lin Li, Xuan Wang, and Yongtian Wang "Optical design software on thermal effects analysis", Proc. SPIE 3482, International Optical Design Conference 1998, (21 September 1998); https://doi.org/10.1117/12.322035
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KEYWORDS
Thermal effects

Temperature metrology

Optical design software

Refractive index

Optical components

Thermography

Aerospace engineering

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