Abstract
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
. 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.
© 2006 Optical Society of America
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