Recent advances in optical refrigeration of a load (Conference Presentation)

Aram Gragossian; Junwei Meng; Mohammadreza Ghasemkhani; Alexander R. Albrecht; Eric Lee; Bernardo Farfan; Guy Symonds; Richard Epstein; Mansoor Sheik-Bahae

doi:10.1117/12.2266159

7 June 2017 Recent advances in optical refrigeration of a load (Conference Presentation)

Aram Gragossian, Junwei Meng, Mohammadreza Ghasemkhani, Alexander R. Albrecht, Eric Lee, Bernardo Farfan, Guy Symonds, Richard Epstein, Mansoor Sheik-Bahae

Author Affiliations +

Proceedings Volume 10180, Tri-Technology Device Refrigeration (TTDR) II; 101800B (2017) https://doi.org/10.1117/12.2266159
Event: SPIE Defense + Security, 2017, Anaheim, CA, United States

Abstract

Laser cooling of solids has advanced immensely in recent years and temperatures well below 100 K have been demonstrated in Yb:YLF crystals. We will discuss our progress towards developing a functional all-solid-state cryocooler based on this principle. We present data and analysis concerning laser coupling efficiency, thermal link between the cooling crystal and the cold-finger, shielding the load from the fluorescence, and overall thermal load management. Considerations for building a cooler prototype for specific applications will also be discussed.

Conference Presentation

Citation Download Citation

Aram Gragossian, Junwei Meng, Mohammadreza Ghasemkhani, Alexander R. Albrecht, Eric Lee, Bernardo Farfan, Guy Symonds, Richard Epstein, and Mansoor Sheik-Bahae "Recent advances in optical refrigeration of a load (Conference Presentation)", Proc. SPIE 10180, Tri-Technology Device Refrigeration (TTDR) II, 101800B (7 June 2017); https://doi.org/10.1117/12.2266159

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