Infrared-to-visible up-conversion material

Details Infrared-to-visible up-conversion material Infrared-to-visible up-conversion material

1994-10-26

1996-07-30

Ryan, Patrick

Stock material or miscellaneous articles

Composite

Of inorganic material

372 43, 313503, 2523014R, B32B 900

Patent

active

055410120

ABSTRACT:
A new infrared-to-visible up-conversion material is provided which can be applied to an infrared light identification element having a useful conversion efficiency and sensitivity for infrared light in the wavelength of 1.5 .mu.m band, 0.98 .mu.m band and 0.8 .mu.m band without the necessity of previous excitation of the material. This infrared-to-visible up-conversion material consists of an inorganic material comprising at least two elements of erbium (Er) and a halogen or compounds thereof.

REFERENCES:
patent: 3163610 (1964-12-01), Yocum
patent: 3506584 (1970-04-01), Held
patent: 3599109 (1971-08-01), Guggenheim
patent: 3623907 (1971-11-01), Watts
patent: 3675155 (1972-07-01), Landry
patent: 3747017 (1973-07-01), Varsanyi
patent: 3960754 (1976-06-01), Woodcock
patent: 4239968 (1980-12-01), Kotera
patent: 4835398 (1989-05-01), Nakamura
patent: 5028509 (1991-07-01), Shimada
patent: 5332907 (1994-07-01), Morlotti
Encyclopedia of Chemical Technology, 3rd, Kirk-Othmer vol. 14, p. 543 (1980).

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