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Intracavity optical refrigeration to 131K using high-power vertical external-cavity surface-emitting lasers (VECSELs)

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2014

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Ghasemkhani, Mohammadreza
Albrecht, Alexander R.
Melgaard, Seth D.
Cedeberg, Jeffrey G.
Sheik-Bahae, Mansoor

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https://doi.org/10.1117/12.2040116
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Physik: Publikationen
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EPSTEIN, Richard I., ed., Denis V. SELETSKIY, ed., Mansoor SHEIK-BAHAE, ed.. Laser refrigeration of solids VII : 5-6 February 2014, San Francisco, California, United States. Bellingham, Washington: SPIE, 2014, 900005. Proceedings of SPIE. 9000. ISSN 0277-786X. eISSN 1996-756X. ISBN 978-0-8194-9913-4. Available under: doi: 10.1117/12.2040116

Zusammenfassung

Laser cooling of Yb:YLF crystal to 131 K from room temperature has been demonstrated in an active intracavity arrangement for enhanced pump absorption. The laser is a high-power, broadly-tunable InGaAs/GaAs MQW VECSEL capable of producing 20 Watts at 1020 nm, directly at the E4-E5 transition of the Yb-ion. This is the coldest temperature achieved to date in an intracavity geometry and without sophisticated heat load management of the crystal. This progress presents a significant advancement towards an all-solid-state compact cryocooler.

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Fachgebiet (DDC)
530 Physik

Schlagwörter

Lasers ; Optical cooling ; Ytterbium ; Crystals ; Gallium arsenide ; Indium gallium arsenide ; Absorption ; Cryocoolers

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Laser Refrigeration of Solids VII, 5. Feb. 2014 - 6. Feb. 2014, San Francisco
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ISO 690GHASEMKHANI, Mohammadreza, Alexander R. ALBRECHT, Seth D. MELGAARD, Denis V. SELETSKIY, Jeffrey G. CEDEBERG, Mansoor SHEIK-BAHAE, 2014. Intracavity optical refrigeration to 131K using high-power vertical external-cavity surface-emitting lasers (VECSELs). Laser Refrigeration of Solids VII. San Francisco, 5. Feb. 2014 - 6. Feb. 2014. In: EPSTEIN, Richard I., ed., Denis V. SELETSKIY, ed., Mansoor SHEIK-BAHAE, ed.. Laser refrigeration of solids VII : 5-6 February 2014, San Francisco, California, United States. Bellingham, Washington: SPIE, 2014, 900005. Proceedings of SPIE. 9000. ISSN 0277-786X. eISSN 1996-756X. ISBN 978-0-8194-9913-4. Available under: doi: 10.1117/12.2040116
BibTex
@inproceedings{Ghasemkhani2014Intra-32782,
  year={2014},
  doi={10.1117/12.2040116},
  title={Intracavity optical refrigeration to 131K using high-power vertical external-cavity surface-emitting lasers (VECSELs)},
  number={9000},
  isbn={978-0-8194-9913-4},
  issn={0277-786X},
  publisher={SPIE},
  address={Bellingham, Washington},
  series={Proceedings of SPIE},
  booktitle={Laser refrigeration of solids VII : 5-6 February 2014, San Francisco, California, United States},
  editor={Epstein, Richard I. and Seletskiy, Denis V. and Sheik-Bahae, Mansoor},
  author={Ghasemkhani, Mohammadreza and Albrecht, Alexander R. and Melgaard, Seth D. and Seletskiy, Denis V. and Cedeberg, Jeffrey G. and Sheik-Bahae, Mansoor},
  note={Article Number: 900005}
}
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