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Joule-class 940-nm diode laser bars for millisecond pulse applications

The result's identifiers

  • Result code in IS VaVaI

    <a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F68378271%3A_____%2F15%3A00456909" target="_blank" >RIV/68378271:_____/15:00456909 - isvavai.cz</a>

  • Result on the web

    <a href="http://dx.doi.org/10.1109/LPT.2015.2434095" target="_blank" >http://dx.doi.org/10.1109/LPT.2015.2434095</a>

  • DOI - Digital Object Identifier

    <a href="http://dx.doi.org/10.1109/LPT.2015.2434095" target="_blank" >10.1109/LPT.2015.2434095</a>

Alternative languages

  • Result language

    angličtina

  • Original language name

    Joule-class 940-nm diode laser bars for millisecond pulse applications

  • Original language description

    The use of long resonators (for improved thermal and electrical resistance) and advanced facet passivation (for high power) is shown to enable Joule-class pulse emission from single passively cooled 1-cm diode laser bars emitting at 940 nm. Bars on CS-mount deliver pulse energy of 1 J at 60% power conversion efficiency within a 7-nm spectral window, under quasi-continuous wave conditions (1.2 ms 10 Hz). Robustness of device performance is confirmed via burn-in and multisite testing. Joule-per-bar performance is also maintained for conduction cooled monolithic stacked arrays, adapted for bars with long resonators. Although these packages only cool the laser bar via their rear edge, peak power, lateral far field, and spectral width remain consistent withthe requirements for pumping solid state lasers and scale as predicted with self-heating. An energy density >10 J/cm(2) is delivered from the stack surface, for brightness >3 MW/(cm(2)-sr).

  • Czech name

  • Czech description

Classification

  • Type

    J<sub>x</sub> - Unclassified - Peer-reviewed scientific article (Jimp, Jsc and Jost)

  • CEP classification

    BH - Optics, masers and lasers

  • OECD FORD branch

Result continuities

  • Project

    Result was created during the realization of more than one project. More information in the Projects tab.

  • Continuities

    I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Others

  • Publication year

    2015

  • Confidentiality

    S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Data specific for result type

  • Name of the periodical

    IEEE Photonics Technology Letters

  • ISSN

    1041-1135

  • e-ISSN

  • Volume of the periodical

    27

  • Issue of the periodical within the volume

    15

  • Country of publishing house

    US - UNITED STATES

  • Number of pages

    4

  • Pages from-to

    1663-1666

  • UT code for WoS article

    000357830000024

  • EID of the result in the Scopus database