Photoirradiation device and fiber rod

Details Photoirradiation device and fiber rod Photoirradiation device and fiber rod

2006-09-05

2006-09-05

Cariaso, Alan (Department: 2875)

Illumination

Light fiber, rod, or pipe

Medical

C362S800000, C362S804000, C362S235000, C362S240000, C385S093000, C385S119000, C433S029000

Reexamination Certificate

active

07101072

ABSTRACT:
A photoirradiation device in which an optical system can be miniaturized and utilization efficiency of light can be improved in a manner that includes a first lens and a second lens, which share refraction of light to convert light beams emitted from a plurality of light sources into the light beams substantially parallel to an optical axis, and a third lens focusing the light beams from the second lens on an incident surface20A of a lightguide20. A fiber rod which can output uniform light beams in a manner that includes a first rod having a single fiber and a second rod having a plurality of fibers.

REFERENCES:
patent: 4483585 (1984-11-01), Takami
patent: 5412750 (1995-05-01), Nath
patent: 5513291 (1996-04-01), Buchin et al.
patent: 6200134 (2001-03-01), Kovac et al.
patent: 6419483 (2002-07-01), Adam et al.
patent: 6955537 (2005-10-01), Cao
patent: WO 0067660 (2000-11-01), None
European Patent Office, Patent Abstracts of Japan, vol. 1996, No. 10, Oct. 31, 1996 (of JP 08 141001 A published Jun. 4, 1996).

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