Coherent light generators – Particular beam control device – Q-switch
Reexamination Certificate
2005-08-16
2005-08-16
Wong, Don (Department: 2821)
Coherent light generators
Particular beam control device
Q-switch
Reexamination Certificate
active
06931035
ABSTRACT:
A method of operating a continuously pumped, Q-switched laser to provide trains of pulses for laser operations is disclosed. The laser includes a solid-state gain-medium that exhibits a thermal-lensing effect on being optically pumped. Pulse delivery is controlled by a Q-switch that is in a normally-open state when the laser is not delivering pulses. This allows the laser to deliver CW laser radiation when pulses are not being delivered. A train of pulses is delivered by repeatedly interrupting the CW operation by closing then reopening the Q-switch. When the Q-switch reopens after the interruption, the laser delivers a pulse of laser radiation, then resumes delivery of CW operation until the next interruption. The interruption periods may be varied to provide pulses of different peak power in a pulse train.
REFERENCES:
patent: 4019159 (1977-04-01), Hon et al.
patent: 4337442 (1982-06-01), Mauck
patent: 5016251 (1991-05-01), D'Arcy
patent: 5022033 (1991-06-01), Hackell
patent: 5128601 (1992-07-01), Orbach et al.
patent: 5128949 (1992-07-01), Barnes
patent: 5157676 (1992-10-01), Wilcox
patent: 5157677 (1992-10-01), Narhi et al.
patent: 5168503 (1992-12-01), Maeda
patent: 5197074 (1993-03-01), Emmons et al.
patent: 5226051 (1993-07-01), Chan et al.
patent: 5291505 (1994-03-01), Nielsen
patent: 5339323 (1994-08-01), Hunter et al.
patent: 5365532 (1994-11-01), Klaras et al.
patent: 5383209 (1995-01-01), Hwang
patent: 5671232 (1997-09-01), Lee et al.
patent: 5912912 (1999-06-01), Caprara et al.
patent: 6009110 (1999-12-01), Wiechmann et al.
patent: 6038241 (2000-03-01), von Elm et al.
patent: 6414980 (2002-07-01), Wang et al.
patent: 6654391 (2003-11-01), Adams
patent: 6781090 (2004-08-01), Sun et al.
patent: 2002/0141457 (2002-10-01), Adams
patent: 2003/0047541 (2003-03-01), Sun et al.
patent: 2003/0081636 (2003-05-01), Wang
patent: 1 162 706 (2001-12-01), None
Coherent Inc.
Stallman & Pollock LLP
Vy Hung Tran
Wong Don
LandOfFree
Q-switching method for pulse train generation does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Q-switching method for pulse train generation, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Q-switching method for pulse train generation will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-3468639