Title :
High sensitivity optical refrigeration spectroscopy: Local cooling of Yb:YLF crystal to 110 K
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 :
Utilizing a novel implementation of differential luminescence thermometry we accurately measure laser cooling efficiency spectra of solids. Cooling to 110K is shown in Yb:YLF at the E4-E5 Stark manifold resonance as predicted by theory.
Keywords :
Stark effect; fluorescence; laser cooling; lithium compounds; refrigeration; ytterbium; yttrium compounds; Stark manifold resonance; YLF:Yb; differential luminescence thermometry; fluorescence; high sensitivity optical refrigeration spectroscopy; laser cooling efficiency spectra; temperature 110 K; Cooling; Heating; Optical pumping; Optical sensors; Temperature measurement; Temperature sensors; Wavelength measurement;
Conference_Titel :
Lasers and Electro-Optics (CLEO), 2011 Conference on
Conference_Location :
Baltimore, MD
Print_ISBN :
978-1-4577-1223-4