Miniaturized Tunable External Cavity Diode Laser with Single-Mode Operation and a Narrow Linewidth at 633 nm

  • Bawamia A
  • Blume G
  • Eppich B
 et al. 
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Abstract

A miniaturized, standalone tunable semiconductor laser module operating at a wavelength of 633 nm with a footprint as small as 10 mm $\times$ 5 mm is presented. The module is based on an external cavity diode laser system with no moving parts and features a frequency tuning range of 25 GHz with a spectral linewidth of approximately 10 MHz. An output power of 10 mW within a nearly diffraction-limited beam is demonstrated. The electrical power consumption, including thermal management, is around 0.7 W.

Author-supplied keywords

  • Absolute distance interferometry
  • external cavity diode laser (ECDL)
  • micro optical bench
  • tunable diode laser

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Authors

  • Ahmad Ibrahim Bawamia

  • Gunnar Blume

  • Bernd Eppich

  • Arnim Ginolas

  • Stefan Spießerger

  • Madlen Thomas

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