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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Vol. 28, Iss. 22 — Nov. 15, 2003
  • pp: 2186–2188

Offset compensation by use of amplitude-modulated sidebands in optical frequency standards

Holger Müller, Sven Herrmann, Thilo Schuldt, Matthias Scholz, Evgeny Kovalchuk, and Achim Peters  »View Author Affiliations


Optics Letters, Vol. 28, Issue 22, pp. 2186-2188 (2003)
http://dx.doi.org/10.1364/OL.28.002186


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Abstract

We present a general method for continuously measuring and compensating for offsets (due to residual amplitude modulation, parasitic resonances, or electronic offset voltages, for example) in frequency stabilization systems. The spectral power distribution of the oscillator waveform is modified by amplitude-modulated sidebands, and the error signal is corrected to null the induced periodic lock-point shifts. We demonstrate significant improvements to the frequency stability of standards based on cryogenic optical resonators and molecular iodine.

© 2003 Optical Society of America

OCIS Codes
(120.3940) Instrumentation, measurement, and metrology : Metrology
(300.6320) Spectroscopy : Spectroscopy, high-resolution

Citation
Holger Müller, Sven Herrmann, Thilo Schuldt, Matthias Scholz, Evgeny Kovalchuk, and Achim Peters, "Offset compensation by use of amplitude-modulated sidebands in optical frequency standards," Opt. Lett. 28, 2186-2188 (2003)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-28-22-2186

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