Intracavity laser cooling using a VECSEL

Alexander R. Albrecht; Denis V. Seletskiy; Jeffrey G. Cederberg; Alberto Di Lieto; Mauro Tonelli; Jerome V. Moloney; Ganesh Balakrishnan; Mansoor Sheik-Bahae

doi:10.1117/12.910329

8 February 2012 Intracavity laser cooling using a VECSEL

Alexander R. Albrecht, Denis V. Seletskiy, Jeffrey G. Cederberg, Alberto Di Lieto, Mauro Tonelli, Jerome V. Moloney, Ganesh Balakrishnan, Mansoor Sheik-Bahae

Author Affiliations +

Proceedings Volume 8275, Laser Refrigeration of Solids V; 827505 (2012) https://doi.org/10.1117/12.910329
Event: SPIE OPTO, 2012, San Francisco, California, United States

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.

Citation Download Citation

Alexander R. Albrecht, Denis V. Seletskiy, Jeffrey G. Cederberg, Alberto Di Lieto, Mauro Tonelli, Jerome V. Moloney, Ganesh Balakrishnan, and Mansoor Sheik-Bahae "Intracavity laser cooling using a VECSEL", Proc. SPIE 8275, Laser Refrigeration of Solids V, 827505 (8 February 2012); https://doi.org/10.1117/12.910329

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