Optical device and formation of optical waveguide using light-in

Details Optical device and formation of optical waveguide using light-in Optical device and formation of optical waveguide using light-in

1997-03-17

1999-11-02

Lee, John D.

Optical waveguides

Optical fiber waveguide with cladding

65388, 65389, 65392, 385141, G02B 618

Patent

active

059785381

ABSTRACT:
A glass is irradiated with a focused pulsed laser beam having a peak power density of 10.sup.5 W/cm.sup.2 or more and a repetition rate of 10 KHz or more. The glass irradiated with the laser beam changes its refractive index at the focal point. During the laser beam irradiation, the glass is continuously moved with respect to the focal point of the pulsed laser beam or continuously scanned with the focused laser beam, so as to form the refractive index changed region (i.e. an optical waveguide) with a predetermined pattern. The glass in which the optical waveguide is formed may be any kind of glass having high transparency.

REFERENCES:
patent: 3542536 (1970-11-01), Flam et al.
patent: 4022602 (1977-05-01), Pavlopoulos
patent: 4090776 (1978-05-01), Bernal et al.
patent: 4710605 (1987-12-01), Presby
patent: 5136677 (1992-08-01), Drexhage et al.
patent: 5620496 (1997-04-01), Erdogan et al.

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