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  • Title: Double-pass rotary mirror array for fast scanning optical delay line.
    Author: Liu L, Chen NG.
    Journal: Appl Opt; 2006 Jul 20; 45(21):5426-31. PubMed ID: 16826279.
    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 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.
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