NDLI: Improved spectral properties of an optically pumped semiconductor disk laser using a thin diamond heat spreader as an intracavity filter

Content Provider	IEEE Xplore Digital Library
Author	Lindberg, H. Strassner, M. Larsson, A.
Copyright Year	1989
Abstract	This letter describes an optically pumped high-power InP-based semiconductor disk laser with a thin (50 /spl mu/m) diamond heat spreader bonded to the surface of the gain chip. The diamond heat spreader performs the multiple functions of heat removal, spectral filtering, and wavelength stabilization by utilizing the high thermal conductivity and the low thermooptic coefficient of diamond, along with the large free-spectral range of a thin intracavity etalon. A pump-power-limited output power of 680 mW at 1.55 /spl mu/m is demonstrated at a heat sink temperature of -30/spl deg/C, and 140 mW at room temperature. The spectral width was measured to be less than 0.08 nm and the spectral drift with temperature and pump power as low as 0.03 nm//spl deg/C and 0.14 nm/W, respectively.
Sponsorship	IEEE Lasers and Electro-Optics Society
Starting Page	1363
Ending Page	1365
Page Count	3
File Size	117171
File Format	PDF
ISSN	10411135
Volume Number	17
Issue Number	7
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2005-07-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Optical filters Optical pumping Laser excitation Pump lasers Semiconductor lasers Heat pumps Temperature Thermal conductivity Bonding Optical surface waves vertical external-cavity surface-emitting laser (VECSEL) Disk laser external cavity heat spreader high power laser InGaAsP intracavity filter semiconductor laser spectral properties surface-emitting laser
Content Type	Text
Resource Type	Article
Subject	Atomic and Molecular Physics, and Optics Electronic, Optical and Magnetic Materials Electrical and Electronic Engineering

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