Title :
Optical refrigeration to NIST cryogenic temperature at 123K
Author :
Melgaard, Seth D. ; Seletskiy, Denis V. ; Lieto, Alberto Di ; Tonelli, Mauro ; Sheik-Bahae, Mansoor
Author_Institution :
Phys. & Astron. Dept., Univ. of New Mexico, Albuquerque, NM, USA
Abstract :
A record low temperature in optical refrigeration is demonstrated by cooling Yb:YLF crystal to 128K ± 5K (~-150 C) at λ=1020 nm corresponding to its E4-E5 Stark manifold resonance. The estimated cooling power is 165 mW.
Keywords :
Stark effect; cryogenics; laser cooling; lithium compounds; ytterbium; E4-E5 Stark manifold resonance; NISI cryogenic temperature; YLF:Yb; cooling crystal; cooling power; optical refrigeration; power 165 mW; record low temperature; temperature 123 K; wavelength 1020 nm; Cooling; Cryogenics; Crystals; Heating; Optical fibers; Optical recording; Optical saturation;
Conference_Titel :
Lasers and Electro-Optics (CLEO), 2012 Conference on
Conference_Location :
San Jose, CA
Print_ISBN :
978-1-4673-1839-6
