Precise spectroscopy of 167Er:Y2SiO5 based on laser frequency stabilization using a fiber laser comb.
Opt Express
; 29(17): 27137-27148, 2021 Aug 16.
Article
em En
| MEDLINE
| ID: mdl-34615135
ABSTRACT
Precise spectroscopy of the hyperfine level system of 167Er-doped Y2SiO5 was achieved in the frequency domain. By using an optical frequency comb to stabilize the light source frequency to an accuracy on the order of hertz on a long-term scale, Allan deviation < 10â
Hz was achieved for an integration time of 180 s. As a result, spectral hole-burning experiments yielded a more accurate hole spectrum with a narrow homogeneous linewidth. The method opens the way to the straightforward exploration of relaxation mechanisms in the frequency domain by simple steady-state measurements.
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01-internacional
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MEDLINE
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En
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Opt Express
Ano de publicação:
2021
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Article