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Updated: Jun 20, 2026

Construction and Characterization of External Cavity Diode Lasers for Atomic Physics
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Construction and Characterization of External Cavity Diode Lasers for Atomic Physics

Published on: April 24, 2014

Diode-laser-array-pumped neodymium slab oscillators.

M K Reed, W J Kozlovsky, R L Byer

    Optics Letters
    |September 11, 2009
    PubMed
    Summary
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    High-power diode lasers efficiently pumped Nd:YAG and Nd:glass lasers. Nd:YAG achieved 70-kW peak power, demonstrating superior performance for laser applications.

    Area of Science:

    • Laser physics
    • Materials science
    • Optical engineering

    Background:

    • Diode-laser arrays offer efficient pumping solutions.
    • Miniature zigzag slab lasers provide compact, high-power platforms.
    • Neodymium-doped Yttrium Aluminum Garnet (Nd:YAG) and Neodymium-doped glass (Nd:glass) are common laser gain media.

    Purpose of the Study:

    • To investigate the performance of miniature zigzag slab oscillators pumped by a high-power diode-laser array.
    • To compare the laser output characteristics of Nd:YAG and Nd:glass under identical pumping conditions.
    • To identify the factors contributing to performance differences between Nd:YAG and Nd:glass.

    Main Methods:

    • Utilized a high-power multistripe diode-laser array as the pump source.
    • Employed miniature zigzag slab laser oscillators fabricated from Nd:YAG and Nd:glass.

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    Published on: May 30, 2014

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    Construction and Characterization of External Cavity Diode Lasers for Atomic Physics
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    Published on: April 24, 2014

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  • Measured peak power, average power, and electrical-to-optical efficiency.

    • Main Results:

    • Achieved 70-kW peak power and 585-mW average power from the Nd:YAG laser at 1.06 microm.
    • Demonstrated a 4% electrical-to-optical efficiency for the Nd:YAG laser system.
    • Nd:glass lasers exhibited lower average power (160-mW) and reduced efficiency compared to Nd:YAG.

    Conclusions:

    • Nd:YAG is a more efficient gain medium than Nd:glass for diode-laser-pumped miniature zigzag slab oscillators.
    • The observed differences are attributed to material properties and their interaction with the pumping mechanism.
    • These findings support the use of Nd:YAG in high-power, efficient laser systems.