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Optics Express

Optics Express

  • Editor: Michael Duncan
  • Vol. 14, Iss. 4 — Feb. 20, 2006
  • pp: 1604–1610

THz-wave parametric oscillator with a surface-emitted configuration

Tomofumi Ikari, Xianbin Zhang, Hiroaki Minamide, and Hiromasa Ito  »View Author Affiliations

Optics Express, Vol. 14, Issue 4, pp. 1604-1610 (2006)

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We propose a surface-emitted cavity configuration for a terahertz-wave parametric oscillator that allows THz wave emission perpendicular to the crystal surface without any output coupler. The oscillating idler and pump waves are reflected at the surface of a nonlinear crystal in a single resonance cavity, satisfying the noncollinear phase-matching condition. The radiated THz wave has a Gaussian profile. The measured beam quality factors (M2) were 1.15 and 1.25 in the horizontal and vertical directions, respectively. The measured tunable range was 0.8-2.74 THz. A test of transmission imaging using a test pattern was demonstrated.

© 2006 Optical Society of America

OCIS Codes
(110.3080) Imaging systems : Infrared imaging
(190.2620) Nonlinear optics : Harmonic generation and mixing
(190.4410) Nonlinear optics : Nonlinear optics, parametric processes
(190.4970) Nonlinear optics : Parametric oscillators and amplifiers

ToC Category:
Nonlinear Optics

Original Manuscript: October 3, 2005
Revised Manuscript: February 1, 2006
Manuscript Accepted: February 13, 2006
Published: February 20, 2006

Tomofumi Ikari, Xianbin Zhang, Hiroaki Minamide, and Hiromasa Ito, "THz-wave parametric oscillator with a surface-emitted configuration," Opt. Express 14, 1604-1610 (2006)

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