Infrared dual-magnification telescope using diffraction optics

Details Infrared dual-magnification telescope using diffraction optics Infrared dual-magnification telescope using diffraction optics

Nov 2000

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2000spie.4340..152k&link_type=abstract

Proc. SPIE Vol. 4340, p. 152-154, 16th International Conference on Photoelectronics and Night Vision Devices, Anatoly M. Filache

Physics

1

Scientific paper

The infrared dual magnification telescope for 8 to 12 micron wavelength region is designed. The optical system consists of five lenses and has a high transmittance. The switching of magnifications implements with movement of one of lens along an optical axis. The diffraction optical element is used for chromatic correction. Thermal correction is made with movement of two lenses with the help of two electromechanical drivers.

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