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High-power opticall...
High-power optically pumped 1550-nm VECSEL with a bonded silicon heat spreader
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- Lindberg, Hans, 1977 (författare)
- Chalmers tekniska högskola,Chalmers University of Technology
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- Strassner, Martin (författare)
- KTH,Mikroelektronik och informationsteknik, IMIT,Kungliga Tekniska Högskolan (KTH),Royal Institute of Technology (KTH)
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- Bengtsson, Jörgen, 1968 (författare)
- Chalmers tekniska högskola,Chalmers University of Technology
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- Larsson, Anders, 1957 (författare)
- Chalmers tekniska högskola,Chalmers University of Technology
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visa färre...
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(creator_code:org_t)
- 2004
- 2004
- Engelska.
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Ingår i: IEEE Photonics Technology Letters. - 1041-1135 .- 1941-0174. ; 16:5, s. 1233-1235
- Relaterad länk:
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http://dx.doi.org/10...
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https://urn.kb.se/re...
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https://doi.org/10.1...
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https://research.cha...
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Abstract
Ämnesord
Stäng
- We present an optically pumped 1550-nm vertical-external-cavity surface-emitting laser with improved output power and operating temperature using a bonded heat spreader. The laser comprises an InGaAsP-based gain element, with a resonant periodic gain structure on top of a distributed Bragg reflector, and a high reflectivity spherical mirror as the external reflector. Heat transport is enhanced by a Si heat spreader bonded to the InGaAsP surface by liquid capillary bonding. Optical pumping is achieved using a 1250-nm fiber Raman laser. A maximum continuous output power of 250 mW was obtained under multitransverse mode operation at 240 K. Under operation in the fundamental near-Gaussian mode, we obtained a maximum power of 230 mW with a beam quality factor (M-2) of 1.22. At room temperature, the output power was limited to 12 mW.
Ämnesord
- NATURVETENSKAP -- Fysik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences (hsv//eng)
- TEKNIK OCH TEKNOLOGIER -- Elektroteknik och elektronik (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Electrical Engineering, Electronic Engineering, Information Engineering (hsv//eng)
Nyckelord
- external cavity
- heat spreader
- high-power laser
- InGaAsP
- optical pumping
- semiconductor laser
- surface-emitting laser
- vertical cavity
Publikations- och innehållstyp
- ref (ämneskategori)
- art (ämneskategori)
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