Liquid band pass filters

Compositions – Light transmission modifying compositions

Patent

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Details

252589, 350312, G02B 524

Patent

active

043292615

ABSTRACT:
Solutions of 2,7-dimethyl-diaza-(3,6)-cycloheptadien-(1,6)- perchlorate are used as liquid band pass filters for the transmission of U-V.

REFERENCES:
patent: 2128110 (1938-08-01), Wilson
patent: 3801179 (1974-04-01), Wisse et al.
Braga et al., "A Band Pass Filter . . . " J. Sci. Instrum., 1966, vol. 43, pp. 341-342.
Kasha, M., "Transmission Filters for the Ultraviolet" J. Opto. Soc. Am. 38(11) (Nov. 1948) pp. 929-934.

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