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Ultrahigh-power semiconductor diode laser arrays.

P S Cross, G L Harnagel, W Streifer

    Science (New York, N.Y.)
    |September 11, 1987
    PubMed
    Summary
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    Transistor-sized semiconductor diode lasers are rapidly advancing, now offering several watts of continuous power and kilowatt pulses with high efficiency. This technological leap in compact optics may rival the impact of the solid-state electronics revolution.

    Area of Science:

    • Optics and Photonics
    • Semiconductor Devices

    Background:

    • Semiconductor diode lasers have seen significant advancements.
    • Miniaturization has led to transistor-sized devices.

    Purpose of the Study:

    • To highlight the rapid power increases in semiconductor diode lasers.
    • To discuss the potential technological impact of these compact devices.

    Main Methods:

    • Review of recent developments in semiconductor diode laser technology.
    • Analysis of power output capabilities (continuous and pulsed).

    Main Results:

    • Power output has more than doubled annually.
    • Continuous outputs of several watts are achievable.
    • Pulsed powers in the kilowatt range with 50% efficiency are now possible.

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    Conclusions:

    • Compact semiconductor diode lasers offer unprecedented power levels.
    • These advancements signal a potential revolution in optics.
    • The impact may be comparable to the solid-state electronics revolution.