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Automation of Mode Locking in a Nonlinear Polarization Rotation Fiber Laser through Output Polarization Measurements
14:18

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Published on: February 28, 2016

How to increase the sensitivity in a polarization interferometer.

R M Echarri, J M Simon, M C Simon

    Applied Optics
    |August 19, 2010
    PubMed
    Summary
    This summary is machine-generated.

    Two methods using a Smith-type interferometer were compared to measure phase shift differences in dielectric versus metal reflections. The key difference lies in the type of analyzer employed in each measurement technique.

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    Area of Science:

    • Optics and Photonics
    • Materials Science

    Background:

    • Phase shifts upon reflection are critical optical properties.
    • Distinguishing phase shifts between dielectric and metal surfaces is essential for optical device design.

    Purpose of the Study:

    • To compare two distinct methods for measuring the difference in phase shifts.
    • To evaluate the performance of different analyzers within a Smith-type interferometer setup.

    Main Methods:

    • Utilized a Smith-type interferometer for optical measurements.
    • Implemented two variations of the method, differing solely in the analyzer component.

    Main Results:

    • Successfully measured the phase shift differences for both dielectric and metal reflections.
    • Identified variations in measurement outcomes attributable to the different analyzers used.

    Conclusions:

    • The choice of analyzer significantly impacts the measurement of phase shift differences.
    • Both methods provide a means to quantify the optical response of dielectric and metal surfaces.