Techniques for laser beam sensing and profiling using temperature-sensitive structures
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United States of America
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Mar 4, 2025
Grant Date -
May 16, 2024
app pub date -
Dec 21, 2023
filing date -
Dec 21, 2023
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Abstract
A method for profiling a laser beam includes receiving the laser beam at a thermochromic interface of a detector. A temperature set point for the detector can be selected. The temperature set point can correspond to an equilibrium temperature at the thermochromic interface. The method can also include capturing an image of the thermochromic interface and using the image to determine a partial intensity profile corresponding to at least a portion of the beam intensity profile. A reconstructed beam profile can be assembled using the partial intensity profile. If the reconstructed beam profile is not complete, the method can include iterating over additional temperature set points to determine additional partial intensity profiles. The method can also include determining that the reconstructed beam profile is complete and outputting the reconstructed beam profile.
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