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Chinese Optics Letters

Chinese Optics Letters


  • Editor: Zhizhan Xu
  • Vol. 11, Iss. 11 — Nov. 1, 2013
  • pp: 111901–

Frequency up-conversion imaging with 60-dB gain using picosecond optical parametric amplif ier

Xiaoqing Li, Jing Yang, Xinzhi Sheng, Jingyuan Zhang, Dafu Cui, Qinjun Peng, and Zuyan Xu  »View Author Affiliations

Chinese Optics Letters, Vol. 11, Issue 11, pp. 111901- (2013)

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A weak infrared (IR) image amplifier with more than 60-dB optical gain and frequency up-conversion is developed from a picosecond (PS) 355-nm pumped gated optical parametric amplifier (OPA) in a \beta- BaB2O4 (BBO) crystal. The IR image at 1064 nm is amplified and up-converted into the visible region at 532 nm by parametric amplification and up-conversion. With the optimized optical gain, the lowest detectable energy of the image can be as low as 1.8 femto-Joule per pulse, which is three orders of magnitude lower than the detection limit of a charge-coupled device (CCD) camera. The transversal resolution of the OPA imaging is investigated, and the approaches for higher detection sensitivity and higher transversal resolution are proposed.

© 2013 Chinese Optics Letters

OCIS Codes
(100.2980) Image processing : Image enhancement
(190.4970) Nonlinear optics : Parametric oscillators and amplifiers
(190.7220) Nonlinear optics : Upconversion

ToC Category:
Nonlinear Optics

Xiaoqing Li, Jing Yang, Xinzhi Sheng, Jingyuan Zhang, Dafu Cui, Qinjun Peng, and Zuyan Xu, "Frequency up-conversion imaging with 60-dB gain using picosecond optical parametric amplif ier," Chin. Opt. Lett. 11, 111901- (2013)

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