Minimum achievable temperature of similar to 110 K is measured in a 5% doped Yb:YLF crystal at lambda = 1020 nm, corresponding to E4-E5 resonance of Stark manifold. This measurement is in excellent agreement with the laser cooling model and was made possible by employing a novel and sensitive implementation of differential luminescence thermometry using balanced photo-detectors. (C) 2011 Optical Society of America
Local laser cooling of Yb:YLF to 110 K
DI LIETO, ALBERTO;TONELLI, MAURO;
2011-01-01
Abstract
Minimum achievable temperature of similar to 110 K is measured in a 5% doped Yb:YLF crystal at lambda = 1020 nm, corresponding to E4-E5 resonance of Stark manifold. This measurement is in excellent agreement with the laser cooling model and was made possible by employing a novel and sensitive implementation of differential luminescence thermometry using balanced photo-detectors. (C) 2011 Optical Society of AmericaFile in questo prodotto:
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