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

Bertani, Stefano (author)
Jacobsson, Bjorn (author)
Laurell, Fredrik (author)
KTH,Laserfysik
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Pasiskevicius, Valdas (author)
KTH,Laserfysik
Stjernström, Mårten (author)
KTH,Analytisk kemi
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 (creator_code:org_t)
2006
2006
English.
In: Optics Express. - 1094-4087. ; 14:25, s. 11982-11986
  • Journal article (peer-reviewed)
Abstract Subject headings
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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.

Keyword

diode-laser
system

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ref (subject category)
art (subject category)

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