Laser system

Details Laser system Laser system

2007-05-01

2009-08-25

Harvey, Minsun (Department: 2828)

Coherent light generators

Particular temperature control

C372S033000

Reexamination Certificate

active

07580433

ABSTRACT:
A laser system includes a laser diode that oscillates in a multi-mode and has characteristics in which its oscillation wavelength varies with temperature, a grating that receives a light beam emitted from the laser diode and returns a diffracted beam to the laser diode, a mechanism that changes the wavelength of the diffracted beam returned to the laser diode, a wavelength detector that detects the wavelength of an output beam which is the same as that of the diffracted beam returned to the laser diode, a temperature regulator that maintains the laser diode at a predetermined temperature, and a control unit that controls the mechanism so that the output beam having a predetermined wavelength is output and controls the temperature regulator so that the laser diode oscillates at the predetermined wavelength.

REFERENCES:
patent: 6661814 (2003-12-01), Chapman et al.
patent: 6724790 (2004-04-01), Daiber et al.
patent: 6763047 (2004-07-01), Daiber et al.
patent: 02-295182 (1990-12-01), None
patent: 09-260792 (1997-10-01), None
patent: 10-107377 (1998-04-01), None
patent: 2002-204023 (2002-07-01), None
patent: 2004-103868 (2004-04-01), None
patent: 2006-114183 (2006-04-01), None
Toishi Mitsuru et al.; Temperature tolerance improvement with wavelength tuning laser source in holographic data storage; Technical Digest of Optical Data Storage/International Symposium.
Tanaka Tomiji et al.; Littrow-type blue laser for holographic data storage; Technical Digest of Optical Storage; 2004; p. 311.
Japanese Office Action dated Jul. 22, 2008 for Application No. 2006-131490.
Japanese Office Action issued on Mar. 4, 2008 in connection with Japanese Patent Application No. 2006-131490.

Affiliated with

Also associated with

Rating

Laser system 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 system, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Laser system will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-4111800