Coherent light generators – Particular active media – Plural active media or active media having plural dopants
Reexamination Certificate
2008-04-01
2008-04-01
Thompson, Timothy (Department: 2873)
Coherent light generators
Particular active media
Plural active media or active media having plural dopants
C372S075000, C372S101000, C359S717000
Reexamination Certificate
active
11646354
ABSTRACT:
Laser light is emitted from a laser oscillator, and the laser light is made to enter a beam expander optical system including a concave lens through a correction lens. The laser oscillator, the correction lens and the concave lens are disposed so that, when an emission point of the laser oscillator is a first conjugate point, a point at which an image at the first conjugate point is formed through the correction lens is a second conjugate point, a distance between the correction lens and the second conjugate point is b, a focal length of the concave lens is f, and a distance between the correction lens and the concave lens is X, the X satisfies b−3|f|≦X≦b+|f|.
REFERENCES:
patent: 4942586 (1990-07-01), Lai
patent: 5225924 (1993-07-01), Ogawa et al.
patent: 5537258 (1996-07-01), Yamazaki et al.
patent: 5617243 (1997-04-01), Yamazaki et al.
patent: 5815494 (1998-09-01), Yamazaki et al.
patent: 6373870 (2002-04-01), Yamazaki et al.
patent: 6426840 (2002-07-01), Partanen et al.
patent: 6558991 (2003-05-01), Yamazaki et al.
patent: 7050878 (2006-05-01), Yamazaki et al.
patent: 7138306 (2006-11-01), Tanaka et al.
patent: 2003/0058916 (2003-03-01), Tanaka et al.
patent: 2004/0257669 (2004-12-01), Koehler
patent: 2005/0111497 (2005-05-01), Tanaka
patent: 2006/0119949 (2006-06-01), Tanaka et al.
patent: 10144244 (2003-03-01), None
patent: 0627643 (1994-12-01), None
patent: 07-041845 (1995-02-01), None
Search Report issued May 2, 2007, in counterpart European Patent Application No. 07000062.5.
Costellia Jeffrey L.
Nixon & Peabody LLP
Semiconductor Energy Laboratory Co,. Ltd.
Thompson Timothy
LandOfFree
Laser light irradiation apparatus and laser light... does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Laser light irradiation apparatus and laser light..., we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Laser light irradiation apparatus and laser light... will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-3954686