Calculations Of The Optical Blurring In Infrared Optical Systems

Xu Yao-zhou

doi:10.1117/12.944277

3 May 1988 Calculations Of The Optical Blurring In Infrared Optical Systems

Xu Yao-zhou

Proceedings Volume 0890, Infrared Systems and Components II; (1988) https://doi.org/10.1117/12.944277
Event: 1988 Los Angeles Symposium: O-E/LASE '88, 1988, Los Angeles, CA, United States

Abstract

For infrared optical systems a point spread function pt (or Pd ) is calculated in terms of the spot diagram obtained through geometrical ray trace (or the theory of Kirchhoff diffraction). Also is calculated the ratio T of the energy passing through the system onto the exit window, to the total energy radiated from a plane target into the entrance pupil. Formulas are derived separately for the following different cases: a circular or rectangular ring diffraction pupil, a blur of equivalent intensity distribution or a Gaussian blur, and a circular or rectangular field stop.

Citation Download Citation

Xu Yao-zhou "Calculations Of The Optical Blurring In Infrared Optical Systems", Proc. SPIE 0890, Infrared Systems and Components II, (3 May 1988); https://doi.org/10.1117/12.944277

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