Achromatic lens for ultraviolet rays

Details Achromatic lens for ultraviolet rays Achromatic lens for ultraviolet rays

1990-03-16

1991-07-02

Bovernick, Rodney B.

Coherent light generators

Particular component circuitry

Optical pumping

350475, 372101, G02B 914

Patent

active

050289675

ABSTRACT:
An achromatic lens for ultraviolet rays constituted by (A) high-purity silica glass having a purity of 99.9% or more, or fluorine-containing, high-purity silica glass having a purity of 99.9% or more; and (B) silica glass containing germanium dioxide or silica glass containing germanium dioxide and boron oxide.

REFERENCES:
patent: 3517979 (1970-06-01), Lowenthal
patent: 4050778 (1977-09-01), Fleischman
patent: 4461546 (1984-07-01), Muffoletto et al.
patent: 4494819 (1985-01-01), Lidwell
patent: 4871219 (1989-10-01), Cooper

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