High-speed two-dimensional laser scanner based on Bragg gratings stored in photothermorefractive glass

    Authors

    Z. Yaqoob; M. A. Arain;N. A. Riza

    Comments

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    Abbreviated Journal Title

    Appl. Optics

    Keywords

    SYSTEMS; OPTICS; Optics

    Abstract

    A high-speed free-space wavelength-multiplexed optical scanner with high-speed wavelength selection coupled with narrowband volume Bragg gratings stored in photothermorefractive (PTR) glass is reported. The proposed scanner with no moving parts has a modular design with a wide angular scan range, accurate beam pointing, low scanner insertion loss, and two-dimensional beam scan capabilities. We present a complete analysis and design procedure for storing multiple tilted Bragg-grating structures in a single PTR glass volume (for normal incidence) in an optimal fashion. Because the scanner design is modular, many PTR glass volumes (each having multiple tilted Bragg-grating structures) can be stacked together, providing an efficient throughput with operations in both the visible and the infrared (IR) regions. A proof-of-concept experimental study is conducted with four Bragg gratings in independent PTR glass plates, and both visible and IR region scanner operations are demonstrated. (C) 2003 Optical Society of America.

    Journal Title

    Applied Optics

    Volume

    42

    Issue/Number

    26

    Publication Date

    1-1-2003

    Document Type

    Article

    Language

    English

    First Page

    5251

    Last Page

    5262

    WOS Identifier

    WOS:000185273000002

    ISSN

    1559-128X

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