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Continuous-wave, all-solid-state, intracavity Raman laser.

H M Pask1

  • 1Centre for Lasers and Applications, Macquarie University, Sydney, New South Wales 2109, Australia. hpask@ics.mq.edu.au

Optics Letters
|October 4, 2005
PubMed
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Researchers achieved continuous-wave operation of a diode-pumped solid-state Raman laser at 1176 nm. This novel laser system demonstrated 800 mW output power with 4% conversion efficiency.

Area of Science:

  • Optics and Photonics
  • Laser Physics
  • Solid-State Lasers

Background:

  • Diode-pumped solid-state lasers offer efficient and compact laser sources.
  • Raman lasers provide wavelength conversion capabilities, expanding laser applications.
  • Intracavity Raman conversion enhances efficiency by utilizing high intracavity power.

Purpose of the Study:

  • To demonstrate continuous-wave (CW) operation of a diode-pumped solid-state Raman laser.
  • To investigate the performance characteristics of an intracavity Raman laser at 1176 nm.

Main Methods:

  • Utilized a Nd:YAG laser crystal as the gain medium.
  • Employed a KGd(WO4)2 crystal for intracavity Raman shifting.
  • Pumped the laser system with a diode laser source.

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Main Results:

  • Achieved continuous-wave operation at a wavelength of 1176 nm.
  • The Raman laser reached threshold at 4 W of diode input power.
  • Generated up to 800 mW of output power.
  • Attained an overall conversion efficiency of 4%.

Conclusions:

  • Successfully demonstrated a diode-pumped solid-state Raman laser operating at 1176 nm.
  • The intracavity configuration proved effective for efficient Raman conversion.
  • The results highlight the potential of this laser architecture for various applications requiring specific wavelengths.