Prototype designs for a wide-field high-resolution low-scatter image device

Details Prototype designs for a wide-field high-resolution low-scatter image device Prototype designs for a wide-field high-resolution low-scatter image device

Jan 1980

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1980spie..226...98l&link_type=abstract

In: Infrared imaging systems technology; Proceedings of the Seminar, Washington, DC, April 10, 11, 1980. (A81-37682 17-35) Belli

Physics

Background Noise, Field Of View, High Resolution, Image Resolution, Imaging Techniques, Telescopes, Design Analysis, Diffraction, Electromagnetic Scattering, Focal Plane Devices, Foci, Optical Measuring Instruments, Optical Paths, Thermal Radiation, Wall Temperature

Scientific paper

An optical design was done for a system having a wide field of view with diffraction limited resolution over a 5 deg by 10 deg FOV. The length of the system including a baffle was set such that the earth does not illuminate the primary mirror at an angle of 1.66 deg. The system was analyzed using APART and, with the results of the stray light analysis, improvements were made allowing a focal plane irradiance of less than 10 to the -11th W/sq cm from the earth as a thermal source. Thermal self emission was also analyzed using APART allowing the temperature of the telescope walls to be specified.

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