Method for manufacturing optical waveguide using laser...

Details Method for manufacturing optical waveguide using laser... Method for manufacturing optical waveguide using laser...

2006-04-18

2006-04-18

Doan, Jennifer (Department: 2874)

Optical waveguides

Planar optical waveguide

C385S037000, C385S130000, C385S131000, C385S132000

Reexamination Certificate

active

07031584

ABSTRACT:
A method of manufacturing an optical waveguide using a laser direct writing method is disclosed. More particularly, a method for improving refractive index profile of the optical waveguide by overlapping two or more beams using Gaussian laser beam is provided. In addition, it can accomplish an improved waveguide characteristics such as an offset structure of an S-bend type optical waveguide and an asymmetrical curve optical waveguide by individually adjusting the overlapped laser beams.

REFERENCES:
patent: 3865625 (1975-02-01), Cho et al.
patent: 6577799 (2003-06-01), Charters et al.
patent: 2003/0038251 (2003-02-01), Livesay et al.
patent: 2001-0074638 (2001-08-01), None
patent: WO 00/02073 (2000-01-01), None
patent: WO 00/79320 (2000-12-01), None
T/74 Photonics Conference 2002; “Improved Bending Loss of Laser Written Optical Waveguide”, 2 pages.
IEEE Photonics Technology Letters, vol. 11, No. 12, Dec. 1999, “Improved Performance of Laser Written Channel Waveguides Using a TEM 01 Beam”, pp. 1617-1619.

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