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Proceedings Paper

Intracavity laser cooling using a VECSEL
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Paper Abstract

We report on the first observation of intracavity laser cooling inside of a vertical external-cavity surface-emitting laser (VECSEL). A Yb:YLF crystal is placed under Brewster angle inside the cavity of an InGaAs quantum well VECSEL emitting around 1030 nm. With the crystal in air, we observed cooling by about 0.5 degrees. By placing the sample and cavity end mirror inside a vacuum chamber, with the window also at Brewster angle to the laser mode, cooling by 20 degrees has been realized. Furthermore, the development of a compact and efficient integrated cryocooler device is underway.

Paper Details

Date Published: 8 February 2012
PDF: 6 pages
Proc. SPIE 8275, Laser Refrigeration of Solids V, 827505 (8 February 2012); doi: 10.1117/12.910329
Show Author Affiliations
Alexander R. Albrecht, The Univ. of New Mexico (United States)
Ctr. for High Technology Materials, The Univ. of New Mexico (United States)
Denis V. Seletskiy, The Univ. of New Mexico (United States)
Air Force Research Lab. (United States)
Jeffrey G. Cederberg, Sandia National Labs. (United States)
Alberto Di Lieto, CNR, NEST Istituto Nanoscienze, Univ. di Pisa (Italy)
Mauro Tonelli, CNR, NEST Istituto Nanoscienze, Univ. di Pisa (Italy)
Jerome V. Moloney, The Univ. of Arizona (United States)
Ganesh Balakrishnan, Ctr. for High Technology Materials, The Univ. of New Mexico (United States)
Mansoor Sheik-Bahae, The Univ. of New Mexico (United States)


Published in SPIE Proceedings Vol. 8275:
Laser Refrigeration of Solids V
Richard I. Epstein; Mansoor Sheik-Bahae, Editor(s)

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