Mid-wave infrared lens system with liquid optical element

Details Mid-wave infrared lens system with liquid optical element Mid-wave infrared lens system with liquid optical element

1995-07-24

1997-11-11

Henry, Jon W.

Optical: systems and elements

Having significant infrared or ultraviolet property

Lens, lens system or component

359358, 359665, G02B 106, G02B 312, G02B 1314

Patent

active

056870221

ABSTRACT:
A lens system with a liquid optical element is for use in the mid-wave infrared from 3.0 micron to 5.0 micron wavelength is described. Using a liquid optical element which is highly transmissive in the 3.0 micron to 5.0 micron waveband of interest in conjunction with a solid material which is also highly transmissive in that waveband provides a lens design with very good optical performance which is less expensive and which is much lighter in weight than an all solid design of the same optical performance.

REFERENCES:
patent: 4958919 (1990-09-01), Sigler
patent: 5020889 (1991-06-01), Mercado
patent: 5033831 (1991-07-01), Sigler
patent: 5491583 (1996-02-01), Robb
Kate Rouse, The First Time Collector's Guide To Classic Cameras, 1994, p. 60 (No Month).

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