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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 17, Iss. 23 — Nov. 9, 2009
  • pp: 20885–20890

Enhanced 2D-image upconversion using solid-state lasers

Christian Pedersen, Emir Karamehmedović, Jeppe Seidelin Dam, and Peter Tidemand-Lichtenberg  »View Author Affiliations

Optics Express, Vol. 17, Issue 23, pp. 20885-20890 (2009)

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Based on enhanced upconversion, we demonstrate a highly efficient method for converting a full image from one part of the electromagnetic spectrum into a new desired wavelength region. By illuminating a metal transmission mask with a 765 nm Gaussian beam to create an image and subsequently focusing the image inside a nonlinear PPKTP crystal located in the high intra-cavity field of a 1342 nm solid-state Nd:YVO4 laser, an upconverted image at 488 nm is generated. We have experimentally achieved an upconversion efficiency of 40% under CW conditions. The proposed technique can be further adapted for high efficiency mid-infrared image upconversion where direct and fast detection is difficult or impossible to perform with existing detector technologies.

© 2009 OSA

OCIS Codes
(110.3080) Imaging systems : Infrared imaging
(140.3480) Lasers and laser optics : Lasers, diode-pumped
(140.3580) Lasers and laser optics : Lasers, solid-state
(140.7300) Lasers and laser optics : Visible lasers
(190.7220) Nonlinear optics : Upconversion

ToC Category:
Lasers and Laser Optics

Original Manuscript: August 26, 2009
Revised Manuscript: October 28, 2009
Manuscript Accepted: October 28, 2009
Published: October 30, 2009

Christian Pedersen, Emir Karamehmedović, Jeppe Seidelin Dam, and Peter Tidemand-Lichtenberg, "Enhanced 2D-image upconversion using solid-state lasers," Opt. Express 17, 20885-20890 (2009)

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