Zoom beam expander

Details Zoom beam expander Zoom beam expander

1991-12-06

1992-07-28

Arnold, Bruce Y.

Optical: systems and elements

Lens

With variable magnification

359754, 359756, G02B 1500, G02B 962

Patent

active

051345234

ABSTRACT:
An achromatic zoom beam expander of the Galilean type. The disclosed zoom beam expander has three components, each having a doublet that is individually color corrected such that the zoom beam expander may be used with a laser such as an argon ion laser which generates light energy at several different wavelengths.

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patent: 4867545 (1989-09-01), Wakimoto
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