Optical wavelength converter device

Details Optical wavelength converter device Optical wavelength converter device

1991-12-10

1993-03-16

Ullah, Akm E.

Optical waveguides

Having nonlinear property

359326, G02B 600, G02B 636

Patent

active

051951592

ABSTRACT:
A light source device that converts a beam of light radiated from an optical fiber-type second-harmonic generating element to a parallel beam of light filled with a bundle of rays up to a central portion of the parallel beam by causing a portion of the beam of light to pass through an apex of a conical surface. The light source device is unlikely to be affected by the spherical aberrations of members constituting an optical system such as lenses, which makes it unnecessary to make the component members of the optical sysem special, thereby simplifying the optical system.

REFERENCES:
patent: 4909587 (1990-03-01), Okamoto et al.
patent: 5005938 (1991-04-01), Itoh et al.
patent: 5046817 (1991-09-01), Uenishi et al.
patent: 5058981 (1991-10-01), Umegaki et al.
patent: 5080462 (1992-01-01), Goto

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