Laser-frequency stabilization with differential single-beam saturated absorption spectroscopy of 4He atoms

Laser-frequency stabilization with differential single-beam saturated absorption spectroscopy of 4He atoms

Differential single-beam saturated-absorption spectroscopy (DSSAS) is proposed to stabilize lasing frequency and suppress Doppler-broadened background and common-mode optical noise. The spectral first-derivative demodulated signal of metastable He4 atoms is used as an error signal to stabilize a fib...

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Bibliographic Details
Main Authors: Guo, H. (Author), Liu, Y. (Author), Peng, X. (Author), Wang, B. (Author), Wang, H. (Author)
Format: Article
Language:English
Published: American Institute of Physics Inc. 2022
Subjects:
Absorption spectroscopy
Atom lasers
Commonmode
Doppler effect
Fiber lasers
First derivative
Frequency fluctuation
Frequency stability
Frequency stabilization
He atoms
Laser frequency stabilization
Lasing frequency
Optical noise
Saturated-absorption spectroscopy
Single-beam
Stabilization
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