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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Anthony J. Campillo
  • Vol. 31, Iss. 6 — Mar. 15, 2006
  • pp: 736–738

Diode laser with 1 Hz linewidth

H. Stoehr, F. Mensing, J. Helmcke, and U. Sterr  »View Author Affiliations


Optics Letters, Vol. 31, Issue 6, pp. 736-738 (2006)
http://dx.doi.org/10.1364/OL.31.000736


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Abstract

We report an ultranarrow-linewidth laser spectrometer at 657 nm , consisting of a diode laser locked in a single stage to a stable high-finesse reference cavity. The system is characterized by comparison with a second independent system. From beat frequency measurements a linewidth below 1.5 Hz (FWHM) and a fractional instability of less than 2 × 10 15 for 1 s of averaging time are observed.

© 2006 Optical Society of America

OCIS Codes
(120.3930) Instrumentation, measurement, and metrology : Metrological instrumentation
(140.2020) Lasers and laser optics : Diode lasers
(140.3570) Lasers and laser optics : Lasers, single-mode

ToC Category:
Instrumentation, Measurement, and Metrology

History
Original Manuscript: October 12, 2005
Manuscript Accepted: November 9, 2005

Citation
H. Stoehr, F. Mensing, J. Helmcke, and U. Sterr, "Diode laser with 1 Hz linewidth," Opt. Lett. 31, 736-738 (2006)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-31-6-736

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