Unbalanced versus balanced operation in an optical coherence tomography system
Applied Optics, Vol. 39, Issue 1, pp. 173-182 (2000)
http://dx.doi.org/10.1364/AO.39.000173
Acrobat PDF (180 KB)
Abstract
The choice of a balanced optical coherence tomography (OCT) configuration versus an unbalanced OCT configuration with optimized reference-arm attenuation is discussed. The choice depends on the receiver noise, the fiber-end reflection R, and the power to the object. When OCT is used to investigate biological tissue an equivalent R′ can be evaluated as the compound reflected light from tissue. In this case an additional parameter has to be considered: the confocal optical sectioning interval of the OCT system.
© 2000 Optical Society of America
OCIS Codes
(030.4280) Coherence and statistical optics : Noise in imaging systems
(060.2370) Fiber optics and optical communications : Fiber optics sensors
(070.6020) Fourier optics and signal processing : Continuous optical signal processing
(170.1790) Medical optics and biotechnology : Confocal microscopy
(170.4500) Medical optics and biotechnology : Optical coherence tomography
(230.5160) Optical devices : Photodetectors
Citation
Adrian Gh. Podoleanu, "Unbalanced versus balanced operation in an optical coherence tomography system," Appl. Opt. 39, 173-182 (2000)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-39-1-173
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