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Journal of the Optical Society of America B

Journal of the Optical Society of America B


  • Editor: Grover Swartzlander
  • Vol. 30, Iss. 11 — Nov. 1, 2013
  • pp: 2966–2969

Tunable frequency-stabilization of an ultraviolet laser using a hollow-cathode lamp of atomic thallium

Tzu-Ling Chen, Chang-Yi Lin, Jow-Tsong Shy, and Yi-Wei Liu  »View Author Affiliations

JOSA B, Vol. 30, Issue 11, pp. 2966-2969 (2013)

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A frequency-stabilized ultraviolet laser system, locked to the thallium resonant transition at 377.5 nm, was demonstrated using a novel bichromatic spectroscopy technique for tuning the zero-crossing laser-lock point. The 377.5 nm 6P1/27S1/2 transition is important for thallium laser cooling and trapping experiments. The pressure shift, owing to the high pressure buffer gas of the hollow-cathode lamp, was observed using an atomic beam resonance as the reference. Such a shift was corrected by adjusting the peak ratio of the two Doppler-free saturation profiles that resulted from the two pumping beams with a 130 MHz frequency difference. The resulting frequency stability of the ultraviolet laser was 0.5 MHz at a 0.1 s integration time. This scheme is compact and versatile for stabilizing laser systems, which require a sub-megahertz stability and frequency tunability.

© 2013 Optical Society of America

OCIS Codes
(060.2370) Fiber optics and optical communications : Fiber optics sensors
(060.2420) Fiber optics and optical communications : Fibers, polarization-maintaining
(140.3490) Lasers and laser optics : Lasers, distributed-feedback
(060.3735) Fiber optics and optical communications : Fiber Bragg gratings

ToC Category:
Lasers and Laser Optics

Original Manuscript: July 10, 2013
Revised Manuscript: October 2, 2013
Manuscript Accepted: October 2, 2013
Published: October 25, 2013

Tzu-Ling Chen, Chang-Yi Lin, Jow-Tsong Shy, and Yi-Wei Liu, "Tunable frequency-stabilization of an ultraviolet laser using a hollow-cathode lamp of atomic thallium," J. Opt. Soc. Am. B 30, 2966-2969 (2013)

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