Optical: systems and elements – Optical frequency converter
Patent
1995-01-06
1996-12-03
Lee, John D.
Optical: systems and elements
Optical frequency converter
359328, G02F 135
Patent
active
055813950
ABSTRACT:
A non-linear optical crystal element preferably of BBO or KDP arranged within a resonator for generating a light beam in the wavelength range of UV rays based on a radiated light beam of a basic wave. The non-linear optical crystal element is preferably hexahedral-shaped and has a protective film on its surface. The protective film is made up of at least two layers arranged on an incident surface and an outgoing surface of the non-linear optical crystal element. The layer of the protective film directly contacted with the incident surface or the outgoing surface is formed by ion plating.
REFERENCES:
patent: 4955977 (1990-09-01), Dao et al.
patent: 5129029 (1992-07-01), Uemiya et al.
patent: 5175784 (1992-12-01), Enomoto et al.
patent: 5343327 (1994-08-01), Chai et al.
Tonosaki Minehiro
Wada Hiroyuki
Lee John D.
Miller Jerry A.
Musacchio, Esq. Pasquale
Rode, Esq. Lise A.
Sony Corporation
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