All fiber approach to solid-state laser cooling

Dan T. Nguyen, Jie Zong, Dan Rhonehouse, Andy Miller, Zhidong Yao, Garrett Hardesty, Nai-Hang Kwong, Rudolf Binder, Arturo Chavez-Pirson

Research output: Chapter in Book/Report/Conference proceedingConference contribution

7 Citations (Scopus)

Abstract

An all fiber approach to optical cooling is being investigated experimentally and theoretically using Tm-doped fiber laser and Tm-doped fiber cooler. A single mode, high efficiency and high power Tm-doped fiber laser is used to pump at the absorption edge of Tm-doped fiber coolers, one made by germanate and the other by tellurite glasses. The glass characterization shows that the quenching effect, which is negative for cooling processes in the fiber, in germanate glass is much stronger than that in tellurite glass. The preliminary results of experiments indicate cooling effects could occur in the fiber, but net cooling in the system has not been achieved. A theoretical framework aimed at understanding the nature of cooling in this laser cooling system has been developed which shows that the temperature in the sample could increase even if the fiber core is indeed cooling. The details of the temperature dynamics depend on many factors such as background loss and absorption of scattered light by the heat spreader.

Original languageEnglish (US)
Title of host publicationProceedings of SPIE - The International Society for Optical Engineering
Volume8275
DOIs
StatePublished - 2012
EventLaser Refrigeration of Solids V - San Francisco, CA, United States
Duration: Jan 25 2012Jan 26 2012

Other

OtherLaser Refrigeration of Solids V
CountryUnited States
CitySan Francisco, CA
Period1/25/121/26/12

Fingerprint

Laser Cooling
Laser cooling
Solid-state Laser
laser cooling
Solid state lasers
solid state lasers
Cooling
Fiber
cooling
fibers
Fibers
Glass
glass
Fiber Laser
Fiber lasers
coolers
fiber lasers
Absorption
Spreaders
cooling systems

Keywords

  • Fiber laser
  • Laser cooling
  • Optical cooling
  • Tm doped glass fiber

ASJC Scopus subject areas

  • Applied Mathematics
  • Computer Science Applications
  • Electrical and Electronic Engineering
  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics

Cite this

Nguyen, D. T., Zong, J., Rhonehouse, D., Miller, A., Yao, Z., Hardesty, G., ... Chavez-Pirson, A. (2012). All fiber approach to solid-state laser cooling. In Proceedings of SPIE - The International Society for Optical Engineering (Vol. 8275). [827506] https://doi.org/10.1117/12.909197

All fiber approach to solid-state laser cooling. / Nguyen, Dan T.; Zong, Jie; Rhonehouse, Dan; Miller, Andy; Yao, Zhidong; Hardesty, Garrett; Kwong, Nai-Hang; Binder, Rudolf; Chavez-Pirson, Arturo.

Proceedings of SPIE - The International Society for Optical Engineering. Vol. 8275 2012. 827506.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Nguyen, DT, Zong, J, Rhonehouse, D, Miller, A, Yao, Z, Hardesty, G, Kwong, N-H, Binder, R & Chavez-Pirson, A 2012, All fiber approach to solid-state laser cooling. in Proceedings of SPIE - The International Society for Optical Engineering. vol. 8275, 827506, Laser Refrigeration of Solids V, San Francisco, CA, United States, 1/25/12. https://doi.org/10.1117/12.909197
Nguyen DT, Zong J, Rhonehouse D, Miller A, Yao Z, Hardesty G et al. All fiber approach to solid-state laser cooling. In Proceedings of SPIE - The International Society for Optical Engineering. Vol. 8275. 2012. 827506 https://doi.org/10.1117/12.909197
Nguyen, Dan T. ; Zong, Jie ; Rhonehouse, Dan ; Miller, Andy ; Yao, Zhidong ; Hardesty, Garrett ; Kwong, Nai-Hang ; Binder, Rudolf ; Chavez-Pirson, Arturo. / All fiber approach to solid-state laser cooling. Proceedings of SPIE - The International Society for Optical Engineering. Vol. 8275 2012.
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AB - An all fiber approach to optical cooling is being investigated experimentally and theoretically using Tm-doped fiber laser and Tm-doped fiber cooler. A single mode, high efficiency and high power Tm-doped fiber laser is used to pump at the absorption edge of Tm-doped fiber coolers, one made by germanate and the other by tellurite glasses. The glass characterization shows that the quenching effect, which is negative for cooling processes in the fiber, in germanate glass is much stronger than that in tellurite glass. The preliminary results of experiments indicate cooling effects could occur in the fiber, but net cooling in the system has not been achieved. A theoretical framework aimed at understanding the nature of cooling in this laser cooling system has been developed which shows that the temperature in the sample could increase even if the fiber core is indeed cooling. The details of the temperature dynamics depend on many factors such as background loss and absorption of scattered light by the heat spreader.

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