Loss Of Infrared Optical System MTF Resulting From Damage Caused By High Power Continuous Wave And Low Average Power Repetitive Pulsed Visible - UV Lasers

James. R. Palmer

doi:10.1117/12.941397

24 August 1987 Loss Of Infrared Optical System MTF Resulting From Damage Caused By High Power Continuous Wave And Low Average Power Repetitive Pulsed Visible - UV Lasers

James. R. Palmer

Author Affiliations +

Proceedings Volume 0806, Active Infrared Systems and Technology; (1987) https://doi.org/10.1117/12.941397
Event: Fourth International Symposium on Optical and Optoelectronic Applied Sciences and Engineering, 1987, The Hague, Netherlands

Abstract

Infrared optical systems are, fundamentally, very sensitive devices which use rather extraordi optical electronics systems to process optical signals. Unfortunately, this very sensitivity may be excite by high power continuous wave visible - UV lasers and low average powered repetitive visible - UV pulsed lasers. Fundamentally, the lasers interact with the optical thin film dielectric coatings causing them to shift the working wavelength band and, thereby, taking away the optical signal from the sensor. In this paper are described analytical expressions for evaluating the temperature transient in the optical thin films and the subsequent diminution of the Modulation Transfer Function (MTF) of the optical system. Additionally, expressions are provided for evaluating reflective metal surfaces destruction through slip failure which will diminish the Strehl ratio of the system and subsequent loss of MTF.

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James. R. Palmer "Loss Of Infrared Optical System MTF Resulting From Damage Caused By High Power Continuous Wave And Low Average Power Repetitive Pulsed Visible - UV Lasers", Proc. SPIE 0806, Active Infrared Systems and Technology, (24 August 1987); https://doi.org/10.1117/12.941397

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