Multi-wavelength optical filter

Details Multi-wavelength optical filter Multi-wavelength optical filter

1974-08-01

1976-06-01

Padgett, Benjamin R.

Compositions

Inorganic luminescent compositions

Tungsten containing

106 47R, 106 54, 428428, G02B 522

Patent

active

039607542

ABSTRACT:
A multi-wavelength optical filter, particularly useful for shielding against laser light, includes compounds incorporated into a glass base which produce Cu.sup.2.sup.+ ions, Er.sup.3.sup.+ ions, and Ce.sup.3.sup.+ ions, thereby providing a filter having desired optical densities at 488 nm, 515 nm, 530 nm, 671 nm, 694 nm, 1060 nm, 840-900 nm, 347 nm, and 337 nm.

REFERENCES:
patent: 2532386 (1950-12-01), Armistead
patent: 2805166 (1957-09-01), Loffler
patent: 3726698 (1973-04-01), Hares et al.

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