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Digital beam switch for agile beam laser radar.

P D Henshaw, A Sanchez, R B McSheehy

    Applied Optics
    |March 12, 2010
    PubMed
    Summary

    A novel random access switch for 10.6-microm radiation was developed using cascaded Fabry-Perot interferometers. This device creates a 2-D array of beam positions, offering a wide field of view for optical applications.

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    Area of Science:

    • Optics and Photonics
    • Laser Technology
    • Optical Engineering

    Background:

    • Accurate and rapid beam steering is crucial for various laser applications.
    • Existing beam switching technologies often face limitations in speed, resolution, or field of view.
    • 10.6-microm radiation, commonly generated by CO2 lasers, requires specialized optical components.

    Purpose of the Study:

    • To present experimental results of a novel multiple-position random access switch.
    • To demonstrate the capability of cascaded Fabry-Perot interferometers for beam positioning.
    • To achieve a wide field of view for 10.6-microm radiation steering.

    Main Methods:

    • Utilized cascaded Fabry-Perot interferometers as the core switching mechanism.
    • Designed and implemented a random access switching architecture.
    • Tested the device with 10.6-microm radiation.

    Main Results:

    • Successfully demonstrated a multiple-position random access switch.
    • Achieved a 2-D array of steerable beam positions.
    • The device exhibited a wide field of view for the 10.6-microm radiation.

    Conclusions:

    • Cascaded Fabry-Perot interferometers are effective for creating multi-position beam switches.
    • The developed switch offers a promising solution for applications requiring 2-D beam steering.
    • The wide field of view enhances the utility of the switch in diverse optical systems.

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