Focus compensating lens for use in extreme temperatures

Details Focus compensating lens for use in extreme temperatures Focus compensating lens for use in extreme temperatures

1991-10-07

1993-07-06

Arnold, Bruce Y.

Optical: systems and elements

Having significant infrared or ultraviolet property

Lens, lens system or component

359719, 359820, 359900, G02B 702

Patent

active

052259285

ABSTRACT:
A focus compensating lens structure wherein a lens means for collimating laser light produced by a source has an index of refraction which varies with temperature and wavelength to compensate for temperature effects on the wavelength of light produced by the laser source and the length of the mounting on which the source and lens are disposed.

REFERENCES:
patent: 4062634 (1977-12-01), Rando et al.
patent: 4221483 (1980-09-01), Rando
patent: B14221483 (1991-08-01), Rando
patent: 4834472 (1989-05-01), Palmer

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