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Optics Express

Optics Express

  • Editor: Michael Duncan
  • Vol. 14, Iss. 25 — Dec. 11, 2006
  • pp: 11982–11986

Stretching-tunable external-cavity laser locked by an elastic silicone grating

Stefano Bertani, Björn Jacobsson, Fredrik Laurell, Valdas Pasiskevicius, and Mårten Stjernström  »View Author Affiliations

Optics Express, Vol. 14, Issue 25, pp. 11982-11986 (2006)

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We demonstrate wavelength locking of a diode laser at 760 nm with feedback from an elastic transmission grating in the Littrow configuration. The laser was in a single longitudinal mode with a side-mode suppression of 20 dB. By stretching the grating the laser could be tuned over a few nm. The grating was fabricated in a silicone elastomer (polydimethylsiloxane) by a moulding technique, and coated by a thin layer of Ti and Au to achieve an increased diffraction efficiency needed for efficient locking.

© 2006 Optical Society of America

OCIS Codes
(050.1950) Diffraction and gratings : Diffraction gratings
(140.2020) Lasers and laser optics : Diode lasers
(140.3600) Lasers and laser optics : Lasers, tunable

ToC Category:
Diffraction and Gratings

Original Manuscript: October 6, 2006
Manuscript Accepted: November 19, 2006
Published: December 11, 2006

Stefano Bertani, Björn Jacobsson, Fredrik Laurell, Valdas Pasiskevicius, and Mårten Stjernström, "Stretching-tunable external-cavity laser locked by an elastic silicone grating," Opt. Express 14, 11982-11986 (2006)

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