Ytterbium-doped borate fluoride laser crystals and lasers

Details Ytterbium-doped borate fluoride laser crystals and lasers Ytterbium-doped borate fluoride laser crystals and lasers

1995-03-24

1997-10-14

Scott, Jr., Leon

Coherent light generators

Particular active media

Insulating crystal

372 22, 372 18, 372 10, H01S 316

Patent

active

056779216

ABSTRACT:
A new class of solid state laser crystals and lasers are formed from Yb-doped borate fluoride host crystals. The general formula for the host crystals is MM'(BO.sub.3)F, where M, M' are monovalent, divalent aria trivalent metal cations. A particular embodiment of the invention is Yb-doped BaCaBO.sub.3 F (Yb:BCBF). BCBF and some of the related derivative crystals are capable of nonlinear frequency conversion, whereby the fundamental of the laser is converted to a longer or shorter wavelength. In this way, these new crystals can simultaneously serve as self-frequency doubling crystals and laser materials within the laser resonator.

REFERENCES:
patent: 4044315 (1977-08-01), Snitzer
patent: 5027361 (1991-06-01), Kozlovsky et al.
patent: 5084879 (1992-01-01), Suzuki et al.
patent: 5123026 (1992-06-01), Fan et al.
patent: 5381428 (1995-01-01), McMahon et al.

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