High resolution 2D image upconversion of incoherent light

Publication: Research - peer-reviewConference article – Annual report year: 2011

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An optimized method for continuous wave 2-dimensional (2-D) upconversion of incoherent or thermal light is demonstrated and quantified. Using standard resolution targets a resolution of 200×1000 pixels is obtained. The suggested method is viewed in scope of modern CCD cameras operating in the near infrared (NIR) portion of the electromagnetic spectrum. The key is optimization of the upconversion process. This include Quasi-Phase-Matching leading to higher effective nonlinearities and elimination of walk-off, an intra-cavity design enhancing the upconversion process, and finally the use of modern NIR CCD detectors. Furthermore, we discuss the exceptionally good depth of field possible for imaging systems based on the proposed method.
Original languageEnglish
JournalProceedings of the SPIE - The International Society for Optical Engineering
Publication date2011
Volume7917
Pages791713
ISSN0277-786X
DOIs
StatePublished

Conference

ConferenceNonlinear Frequency Generation and Conversion
Number10
CountryUnited States
CitySan Francisco, CA
Period24/01/1127/01/11

Bibliographical note

2011 Society of Photo-Optical Instrumentation Engineers. One print or electronic copy may be made for personal use only. Systematic reproduction and distribution, duplication of any material in this paper for a fee or for commercial purposes, or modification of the content of the paper are prohibited.

CitationsWeb of Science® Times Cited: 0

Keywords

  • Sum frequency generation, Upconversion, Infrared imaging, Thermal imaging
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