BANDWIDTH NARROWING MODULE FOR SETTING A SPECTRAL BANDWIDTH OF A LASER BEAM
The disclosure provides a bandwidth narrowing module for setting a spectral bandwidth of a laser beam of a laser light source. The bandwidth narrowing module includes a beam expanding module for expanding a laser beam transversely with respect to a propagation direction of the laser beam and compris...
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Main Authors | , |
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Format | Patent |
Language | English |
Published |
26.04.2012
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Subjects | |
Online Access | Get full text |
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Summary: | The disclosure provides a bandwidth narrowing module for setting a spectral bandwidth of a laser beam of a laser light source. The bandwidth narrowing module includes a beam expanding module for expanding a laser beam transversely with respect to a propagation direction of the laser beam and comprising a reflection grating. A first optical component of the bandwidth narrowing module is configured so that a disturbance with a cylindrical portion about a first axis transversely with respect to an optical axis of the bandwidth narrowing module can be impressed on a wavefront of a laser beam. The first optical component is embodied such that it is pivotable about a pivoting axis parallel to the first axis. |
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Bibliography: | Application Number: US201113238470 |