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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 20, Iss. 23 — Nov. 5, 2012
  • pp: 25850–25857

Development of an ultra-widely tunable DFG-THz source with switching between organic nonlinear crystals pumped with a dual-wavelength BBO optical parametric oscillator

Takashi Notake, Kouji Nawata, Hiroshi Kawamata, Takeshi Matsukawa, Feng Qi, and Hiroaki Minamide  »View Author Affiliations

Optics Express, Vol. 20, Issue 23, pp. 25850-25857 (2012)

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We developed a difference frequency generation (DFG) source with an organic nonlinear optical crystal of DAST or BNA selectively excited by a dual-wavelength β-BaB2O4 optical parametric oscillator (BBO-OPO). The dual-wavelength BBO-OPO can independently oscillate two lights with different wavelengths from 800 to 1800 nm in a cavity. THz-wave generation by using each organic crystal covers ultrawide range from 1 to 30 THz with inherent intensity dips by crystal absorption modes. The reduced outputs can be improved by switching over the crystals with adequately tuned pump wavelengths of the BBO-OPO.

© 2012 OSA

OCIS Codes
(190.0190) Nonlinear optics : Nonlinear optics
(190.4400) Nonlinear optics : Nonlinear optics, materials

ToC Category:
Nonlinear Optics

Original Manuscript: September 19, 2012
Revised Manuscript: October 24, 2012
Manuscript Accepted: October 25, 2012
Published: November 1, 2012

Takashi Notake, Kouji Nawata, Hiroshi Kawamata, Takeshi Matsukawa, Feng Qi, and Hiroaki Minamide, "Development of an ultra-widely tunable DFG-THz source with switching between organic nonlinear crystals pumped with a dual-wavelength BBO optical parametric oscillator," Opt. Express 20, 25850-25857 (2012)

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