Fiber type wavelength converter

Details Fiber type wavelength converter Fiber type wavelength converter

1991-01-11

1991-10-29

Lee, John D.

Optical: systems and elements

Optical frequency converter

Harmonic generator

359332, 385122, 385127, G02B 622, G02F 137

Patent

active

050610384

ABSTRACT:
A fiber type wavelength converter formed of a core and a clad surrounding the core, the core consisting of a first core formed of a nonlinear crystalline material, for which, when the refractive index to the primary light incident on and guided by the core is represented by .eta.G.sup..omega. and the refractive index to a converted second harmonic is represented by .eta.G.sup.2.omega., the relationship .eta.G.sup.2.omega. >.eta.G.sup..omega. holds, and a second core formed of optical glass covering the first core. Specifically, the optical glass for the second core is such optical glass, for which, when the refractive index thereof to the primary light incident thereon is represented by .eta.GL.sup..omega., the relationship ##EQU1## holds.

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patent: 4962993 (1990-10-01), Okamoto et al.
patent: 4991931 (1991-02-01), Harada et al.

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