DocumentCode :
2861407
Title :
2D angular synthetic aperture laser optical feedback imaging
Author :
Lacot, E. ; Hugon, O. ; Jacquin, O.
Author_Institution :
Lab. de Spectrometrie Phys., Univ. Joseph Fourier, Grenoble, France
fYear :
2009
fDate :
14-19 June 2009
Firstpage :
1
Lastpage :
1
Abstract :
For synthetic aperture (SA) operation in the optical domain, microchip laser sources seem to be relevant by reasons of their compactness and their high temporal and spatial coherence (laser linewidth less than 1 kHz and laser beam divergence close to the diffraction limit). The main objective of this study is to combine the high resolution of SA experiment (i.e. beyond the diffraction limit) with the high sensitivity and the simplicity of the LOFI (Laser Optical Feedback Imaging) experiment to obtain a very efficient and compact device for 2D imaging. We have successfully developed a self-aligned two-dimensional synthetic aperture ladar using frequency-shifted optical feedback combined with a galvanometric scanning.
Keywords :
laser beam applications; laser feedback; light coherence; microchip lasers; optical images; optical radar; radar imaging; synthetic aperture radar; 2D imaging; frequency-shifted optical feedback; galvanometric scanning; laser optical feedback imaging; microchip laser source; self-aligned two-dimensional synthetic aperture ladar; spatial coherence; temporal coherence; Adaptive optics; High-resolution imaging; Laser beams; Laser feedback; Microchip lasers; Optical diffraction; Optical feedback; Optical imaging; Optical sensors; Spatial coherence;
fLanguage :
English
Publisher :
ieee
Conference_Titel :
Lasers and Electro-Optics 2009 and the European Quantum Electronics Conference. CLEO Europe - EQEC 2009. European Conference on
Conference_Location :
Munich
Print_ISBN :
978-1-4244-4079-5
Electronic_ISBN :
978-1-4244-4080-1
Type :
conf
DOI :
10.1109/CLEOE-EQEC.2009.5196257
Filename :
5196257
Link To Document :
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