Document Detail


Enhanced 2D-image upconversion using solid-state lasers.
MedLine Citation:
PMID:  19997325     Owner:  NLM     Status:  In-Process    
Abstract/OtherAbstract:
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:YVO(4) 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.
Authors:
Christian Pedersen; Emir Karamehmedović; Jeppe Seidelin Dam; Peter Tidemand-Lichtenberg
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't    
Journal Detail:
Title:  Optics express     Volume:  17     ISSN:  1094-4087     ISO Abbreviation:  Opt Express     Publication Date:  2009 Nov 
Date Detail:
Created Date:  2009-12-09     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  101137103     Medline TA:  Opt Express     Country:  United States    
Other Details:
Languages:  eng     Pagination:  20885-90     Citation Subset:  IM    
Affiliation:
DTU Fotonik, Technical University of Denmark, DK-4000 Roskilde, Denmark. christian.pedersen@risoe.dk
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