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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 20, Iss. 28 — Dec. 31, 2012
  • pp: 29659–29664

Triple-wavelength Nd-laser system by cascaded electro-optic periodically poled lithium niobate Bragg modulator

Shou-Tai Lin and Chuan-Sheng Hsieh  »View Author Affiliations

Optics Express, Vol. 20, Issue 28, pp. 29659-29664 (2012)

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This study presents a diode-pumped cw triple-wavelength Nd:GdVO4 laser system using an electro-optic periodically poled lithium niobate (PPLN) Bragg modulator. The PPLN consists of two cascaded sections, 20.3 μm and 25.7 μm, functioning as loss modulators for 1063 and 1342 nm at the same Bragg incident angle. When switching the dc voltages on PPLN and applying 25 W pump power, the output wavelength can be selected among 912, 1063, and 1342 nm with output power of 2, 5, and 1.4 W, respectively. The device is capable of triple-wavelength generation simultaneous when applied voltages are 180 (Λ = 20.3 μm) and −50 V (Λ = 25.7 μm) at a 25 W pump power. Gain competition induced power instability was also observed.

© 2012 OSA

OCIS Codes
(140.3480) Lasers and laser optics : Lasers, diode-pumped
(190.4360) Nonlinear optics : Nonlinear optics, devices
(230.2090) Optical devices : Electro-optical devices

ToC Category:
Lasers and Laser Optics

Original Manuscript: October 31, 2012
Revised Manuscript: December 8, 2012
Manuscript Accepted: December 10, 2012
Published: December 20, 2012

Shou-Tai Lin and Chuan-Sheng Hsieh, "Triple-wavelength Nd-laser system by cascaded electro-optic periodically poled lithium niobate Bragg modulator," Opt. Express 20, 29659-29664 (2012)

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