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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 43, Iss. 16 — Jun. 1, 2004
  • pp: 3324–3328

Sellmeier dispersion for phase-matched terahertz generation in ZnGeP2

Pathik Kumbhakar, Takayoshi Kobayashi, and Gopal C. Bhar  »View Author Affiliations


Applied Optics, Vol. 43, Issue 16, pp. 3324-3328 (2004)
http://dx.doi.org/10.1364/AO.43.003324


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Abstract

A Sellmeier dispersion of zinc germanium diphosphide (ZnGeP2) crystal has been formulated to determine the phase-matching characteristics of the crystal for the generation of coherent tunable terahertz radiation by difference-frequency mixing techniques. The results computed with the formulated Sellmeier dispersion provide an excellent fit to the experimental data.

© 2004 Optical Society of America

OCIS Codes
(140.3070) Lasers and laser optics : Infrared and far-infrared lasers
(160.4330) Materials : Nonlinear optical materials
(190.2620) Nonlinear optics : Harmonic generation and mixing
(190.4410) Nonlinear optics : Nonlinear optics, parametric processes
(260.2030) Physical optics : Dispersion
(260.3090) Physical optics : Infrared, far

History
Original Manuscript: December 2, 2003
Revised Manuscript: March 4, 2004
Published: June 1, 2004

Citation
Pathik Kumbhakar, Takayoshi Kobayashi, and Gopal C. Bhar, "Sellmeier dispersion for phase-matched terahertz generation in ZnGeP2," Appl. Opt. 43, 3324-3328 (2004)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-43-16-3324


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References

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  9. W. Shi, Y. J. Ding, “Continuously tunable and coherent terahertz radiation by means of phase-matched difference-frequency generation in zinc germanium phosphide,” Appl. Phys. Lett. 83, 848–850 (2003). [CrossRef]
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  12. The extraordinary index ne(λ) = no(λ) + Δn; Δn = 0.0397, which is the long-infrared birefringence, taken from Ref. 6.

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