Fluorophosphate optical glass

Details Fluorophosphate optical glass Fluorophosphate optical glass

1989-09-29

1991-02-05

Bell, Mark L.

Compositions: ceramic

Ceramic compositions

Glass compositions, compositions containing glass other than...

501902, 501903, C03C 3247, C03C 400

Patent

active

049904680

ABSTRACT:
A fluorophosphate optical glass having optical constants, i.e. refractive index (nd) of 1.54 to 1.60 and Abbe number (.nu.d) of 68 to 75 and having abnormal partial dispersion represented by a relative partial dispersion of at least 0.537 is provided, which has a chemical composition (% by weight) comprising:

REFERENCES:
patent: 4358543 (1982-11-01), Nozawa

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