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Applied Optics

Applied Optics


  • Editor: Joseph N. Mait
  • Vol. 52, Iss. 30 — Oct. 20, 2013
  • pp: 7302–7310

Stable and tunable single frequency Nd:GSAG laser around 943 nm

Xin Wang, Hans Joachim Eichler, Zhifeng Lin, Chunqing Gao, and Suhui Yang  »View Author Affiliations

Applied Optics, Vol. 52, Issue 30, pp. 7302-7310 (2013)

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Stable single frequency output around 943 nm was obtained from a quasi-continuous wave (qcw) diode-pumped, Q-switched Nd:GSAG laser. The Q-switched Nd:GSAG laser was injection seeded with a single mode laser diode. Its frequency was stabilized by an active-control loop specially designed for a strong qcw pump. The spectral linewidth of the Nd:GASG laser was 41 MHz and the frequency stability was 10 MHz. The single-frequency-pulsed laser generated 32 mJ pulse energy at 10 Hz repetition rate. When the repetition rate was increased to 100 Hz, 5.6 mJ pulse energy was obtained by a thermal dynamic stable resonator. By tuning the seed laser, the wavelength of the pulsed Nd:GASG laser can be continuously varied from 942.1 to 943.1 nm.

© 2013 Optical Society of America

OCIS Codes
(140.3520) Lasers and laser optics : Lasers, injection-locked
(140.3530) Lasers and laser optics : Lasers, neodymium
(140.3570) Lasers and laser optics : Lasers, single-mode
(280.1910) Remote sensing and sensors : DIAL, differential absorption lidar

ToC Category:
Lasers and Laser Optics

Original Manuscript: July 16, 2013
Revised Manuscript: September 7, 2013
Manuscript Accepted: September 9, 2013
Published: October 16, 2013

Xin Wang, Hans Joachim Eichler, Zhifeng Lin, Chunqing Gao, and Suhui Yang, "Stable and tunable single frequency Nd:GSAG laser around 943 nm," Appl. Opt. 52, 7302-7310 (2013)

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