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Applied Optics

Applied Optics


  • Vol. 37, Iss. 24 — Aug. 20, 1998
  • pp: 5743–5746

Mid-infrared-wavelength generation in 2-μm pumped periodically poled lithium niobate

Göran Hansson and Duane D. Smith  »View Author Affiliations

Applied Optics, Vol. 37, Issue 24, pp. 5743-5746 (1998)

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A periodically poled lithium niobate optical parametric oscillator pumped by a Tm:YAG laser at 2.0124-μm wavelength has been demonstrated. A pump pulse energy of 5.1 mJ generated 0.65 mJ of signal and idler pulse energy at a 50-Hz repetition frequency with a 27.8-μm domain-period-length grating. The lithium niobate crystal at a temperature of 180 °C yielded 3.61- and 4.55-μm signal and idler wavelengths, respectively. Wavelength tuning over a wide range was achieved with domain-period lengths from 25.5 to 28.2 μm and crystal temperature tuning from 50 to 180 °C. Signal wavelengths of 3.26–3.76 μm and idler wavelengths of 4.33–5.34 μm were generated.

© 1998 Optical Society of America

OCIS Codes
(140.3580) Lasers and laser optics : Lasers, solid-state
(160.3730) Materials : Lithium niobate
(190.0190) Nonlinear optics : Nonlinear optics
(190.2620) Nonlinear optics : Harmonic generation and mixing
(190.4400) Nonlinear optics : Nonlinear optics, materials
(190.4970) Nonlinear optics : Parametric oscillators and amplifiers

Original Manuscript: October 15, 1997
Revised Manuscript: April 24, 1998
Published: August 20, 1998

Göran Hansson and Duane D. Smith, "Mid-infrared-wavelength generation in 2-μm pumped periodically poled lithium niobate," Appl. Opt. 37, 5743-5746 (1998)

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