DocumentCode :
354583
Title :
Spatial resolution limit of time-gated imaging through random scattering media
Author :
Hai-Pang Chiang ; Jyhpyng Wang
Author_Institution :
Dept. of Electr. Eng., Nat. Taiwan Univ., Taipei, Taiwan
fYear :
1996
fDate :
2-7 June 1996
Firstpage :
24
Lastpage :
25
Abstract :
Summary form only given. Recently various time-gating techniques have been applied to imaging through random scattering media, in particular animal tissues. Because scattered photons travel longer paths, by time-gating one can reject scattered photons, thereby reducing interferences from scattering. An interesting question about time-gated imaging through random scattering media is the limit of spatial resolution. Because the gating width cannot be infinitesimally small, it is not clear how parameters such as the gating width and the medium thickness determine the resolution or, furthermore, in what way the image degrades as the object size becomes smaller than the resolution limit. To answer these questions, we analyze spatial distributions of time-gated photons, which have traveled through random scattering media, by a method at random-phase path integration and from the distributions we derive the resolution limit.
Keywords :
biological techniques; image resolution; light scattering; optical images; animal tissues; gating width; interferences; medium thickness; object size; random scattering media; random-phase path integration; scattered photons; spatial distributions; spatial resolution limit; time-gated imaging; Electromagnetic scattering; Image resolution; Lenses; Light scattering; Optical imaging; Optical scattering; Optimized production technology; Particle scattering; Random media; Spatial resolution;
fLanguage :
English
Publisher :
ieee
Conference_Titel :
Lasers and Electro-Optics, 1996. CLEO '96., Summaries of papers presented at the Conference on
Conference_Location :
Anaheim, CA, USA
Print_ISBN :
1-55752-443-2
Type :
conf
Filename :
864312
Link To Document :
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