Double-pass rotary mirror array for fast scanning optical delay line

We have developed a fast scanning optical delay line based on a rotary mirror array. A double-pass configuration is adopted to optimize the fiber-optical coupling and thus minimize the amplitude modulation in the reflected light. The achieved scanning range is extended to over 3 mm. An additional Mi...

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Bibliographic Details
Published in:Applied optics (2004) 2006-07, Vol.45 (21), p.5426-5431
Main Authors: Liu, Linbo, Chen, Nan Guang
Format: Article
Language:English
Subjects:
Computer-Aided Design
Equipment Design
Equipment Failure Analysis
Image Enhancement - instrumentation
Image Enhancement - methods
Image Interpretation, Computer-Assisted - instrumentation
Image Interpretation, Computer-Assisted - methods
Lenses
Reproducibility of Results
Rotation
Sensitivity and Specificity
Time Factors
Tomography, Optical Coherence - instrumentation
Tomography, Optical Coherence - methods
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Summary:We have developed a fast scanning optical delay line based on a rotary mirror array. A double-pass configuration is adopted to optimize the fiber-optical coupling and thus minimize the amplitude modulation in the reflected light. The achieved scanning range is extended to over 3 mm. An additional Michelson interferometer is incorporated into the reference arm to achieve high delay repeatability. Such a device is ideal for real-time optical coherence tomography, optical Doppler tomography, and spectroscopic optical coherence tomography.
ISSN:1559-128X
DOI:10.1364/AO.45.005426