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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Vol. 24, Iss. 16 — Aug. 15, 1999
  • pp: 1154–1156

Periodically poled potassium niobate for second-harmonic generation at 463 nm

J.-P. Meyn, M. E. Klein, D. Woll, R. Wallenstein, and D. Rytz  »View Author Affiliations


Optics Letters, Vol. 24, Issue 16, pp. 1154-1156 (1999)
http://dx.doi.org/10.1364/OL.24.001154


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Abstract

We report on the fabrication and characterization of quasi-phase-matched potassium niobate crystals for second-harmonic generation. Periodic 30-μm -pitch antiparallel ferroelectric domains are fabricated by means of poling in an electrical field. Both birefrigence and periodic phase shift of the generated second harmonic contribute to phase matching when the d31 nonlinear optical tensor element is used. 3.8 mW of second-harmonic radiation at 463 nm is generated by frequency doubling of the output of master-oscillator power-amplifier diode laser in a 5-mm-long crystal. The measured effective nonlinear coefficient is 3.7pm/V. The measured spectral acceptance bandwidth of 0.25 nm corresponds to the theoretical value.

© 1999 Optical Society of America

OCIS Codes
(140.0140) Lasers and laser optics : Lasers and laser optics
(160.4330) Materials : Nonlinear optical materials
(190.4400) Nonlinear optics : Nonlinear optics, materials
(230.4000) Optical devices : Microstructure fabrication

Citation
J.-P. Meyn, M. E. Klein, D. Woll, R. Wallenstein, and D. Rytz, "Periodically poled potassium niobate for second-harmonic generation at 463 nm," Opt. Lett. 24, 1154-1156 (1999)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-24-16-1154

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