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Título : Use of nonlinear properties of intracavity type II second harmonic generation for image processing
Autor : Jacobo, Adrián, Colet, Pere, Scotto, Pierre, San Miguel, Maxi
Palabras clave : [PACS] Imaging and optical processing
[PACS] Frequency conversion; harmonic generation, including higher-order harmonic generation
[PACS] Optical bistability, multistability, and switching, including local field effects
Fecha de publicación : 25-Oct-2005
Editor: Springer
Citación : Applied Physics B: Lasers and optics 81: 955-962 (2005)
Resumen: We discuss the use of intracavity type-II second harmonic generation for all-optical processing of images. Injecting an image in a pump beam linearly polarized and a homogeneous field in the orthogonally polarized pump it is possible to magnify the contrast and to recognize the contour of any part of the image whose intensity is above a tunable reference level. This can be done using ideal planar cavities where all the fields are resonant as well as in the more realistic situation where only the fundamental fields are resonant and using cavities with spherical mirrors.
Descripción : 8 pages, 10 figures.-- PACS nrs.: 42.30.-d; 42.65.Ky; 42.65.Pc.
Versión del editor:
ISSN: 0946-2171 (Print)
1432-0649 (Online)
DOI: 10.1007/s00340-005-2029-5
Citación : Applied Physics B: Lasers and optics 81: 955-962 (2005)
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