1 May 1986 Infrared Lens Centering Machine
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Proceedings Volume 0590, Infrared Technology and Applications; (1986) https://doi.org/10.1117/12.951974
Event: 1985 International Technical Symposium/Europe, 1985, Cannes, France
The design and development of an infrared lens centering machine is described. The device works in transmission mode so that access is not required to the rear surface of the test component. Although developed for the centration of germanium lenses it works equally in the visible and also with other IR materials, allowing centration accuracies better than 2 arc sec to be achieved. A theoretical analysis is given and an expression for the noise equivalent decentration (NED) is derived. A design example is given followed by a calculation of expected performance. The method of discriminating between front and rear surfaces is described.
© (1986) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Michael S. Petty, Michael S. Petty, Michael J. Brookfield, Michael J. Brookfield, "Infrared Lens Centering Machine", Proc. SPIE 0590, Infrared Technology and Applications, (1 May 1986); doi: 10.1117/12.951974; https://doi.org/10.1117/12.951974


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