Optical waveguides – With optical coupler – Input/output coupler
Patent
1993-10-26
1995-07-04
Healy, Brian
Optical waveguides
With optical coupler
Input/output coupler
385 31, 385115, 385116, 385147, 21912175, 2191216, 21912161, 21912176, 359619, 359626, G02B 632, B23K 2600
Patent
active
054308160
ABSTRACT:
A laser processing apparatus includes a plurality of optical fibers formed into a bundle which is shaped such as to efficiently divide a laser beam into a plurality of split beams and transmit the split beams to respective converging lenses to be focused to have a high energy density when incident on respective workpieces. The optical fibers are shaped such as to each have a sufficiently large value of minimum radius of curvature to ensure that a small angle of divergence is maintained for each of the beams emitted from the fibers, thereby ensuring that the converging lenses can be small and inexpensive.
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IBM Technical Disclosure Bulletin, vol. 28, No. 4, Sep. 1985, pp. 1738-1739.
Furuya Nobuaki
Ichihashi Kouki
Oda Gen
Healy Brian
Matsushita Electric - Industrial Co., Ltd.
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