G - Physics – 02 – B
Patent
G - Physics
02
B
G02B 27/09 (2006.01) B23K 26/00 (2006.01) B23K 26/06 (2006.01) G02B 3/02 (2006.01) G02B 13/08 (2006.01)
Patent
CA 2338422
This invention relates to an improved laser beam useful in material surface processing and an apparatus for producing the improved laser beam. The improved laser beam of the present invention comprises a power distribution that is more intense at the outer regions than in the central region. The invention includes an apparatus comprising a power spherical and cylindrical optical elements aligned to focus and/or shape a laser beam into a novel profile useful in material surface processing. The invention further includes a method of using this apparatus to focus and/or shape a laser beam for producing Laser Induced Surface Improvements, hereinafter referred to as "LISI".
Cette invention a trait à un faisceau laser amélioré des plus utile en matière de traitement de surface d'un matériau ainsi qu'au dispositif de production de ce faisceau laser amélioré. Ce faisceau est doté d'une distribution d'énergie plus intense au niveau des régions extérieures qu'à celui de la région centrale. L'invention porte sur un dispositif comprenant un élément sphérique d'énergie et des éléments optiques cylindriques alignés de manière à focaliser et/ou mettre en forme un faisceau laser pour lui donner un nouveau profil, des plus utile pour un traitement de surface de matériaux. Elle concerne, de surcroît, une technique d'utilisation de ce dispositif pour focaliser et/ou mettre en forme un faisceau laser afin d'obtenir des améliorations de surface par laser, dénommées dans le descriptif "LISI".
Bible John Brice
Dahotre Narendra B.
Hopkins John A.
Mccay Mary Helen
Mccay Thurman Dwayne
Smart & Biggar
The University Of Tennessee Research Corporation
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