Device for absorbing a laser beam and device for attenuating a laser beam
A laser beam and optical device technology, applied in the field of devices for absorbing laser beams and devices for attenuating laser beams, can solve problems such as small beam intensity
Inactive Publication Date: 2010-11-24
LIMO PATENTVERWALTUNG GMBH & CO KG
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- Abstract
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Problems solved by technology
Disadvantages of the known absorption devices for laser beams or so-called beam projections are the limitation to rotationally symmetrical beam cross sections and the low beam intensity
However, in particular laser diode bars have a linear cross-section and at high beam intensities pose great problems for conventional beam projection
Method used
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The invention relates to a device for absorbing a laser beam (7, 9), comprising an absorption surface (14) on which the laser beam (7, 9) is incident and can be at least partially absorbed, cooling means for cooling the absorption surface (14), and optical means (18), especially in the form of a cylindrical lens, for expanding the laser beam (7, 9) before it is incident on the absorption surface (14). The invention also relates to a device for attenuating a laser beam (5), comprising the inventive device for absorbing a laser beam (7, 9).
Description
Device for absorbing laser beam and device for attenuating laser beam technical field The invention relates to a device for absorbing a laser beam according to the preamble of claim 1 and a device for attenuating a laser beam according to the preamble of claim 9 . Background technique Disadvantages of the known absorption devices for laser beams or so-called beam projections are the limitation to a rotationally symmetrical beam cross section and the low beam intensity. In particular, however, laser diode bars have a linear cross section and at high beam intensities present great problems for conventional beam projection. Contents of the invention The problem addressed by the invention is to provide a device of the type mentioned at the outset which is suitable for laser beams with high beam intensity. This object is achieved according to the invention by a device of the type mentioned at the outset having the distinguishing features of claims 1 and 9 . The dependent ...
Claims
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IPC IPC(8): H01S3/00B23K26/00G02B5/22
CPCH01S3/005H01S3/04H01S3/10
Inventor 德特勒夫·斯托尔沃尔克·威兹
Owner LIMO PATENTVERWALTUNG GMBH & CO KG