Invention Grant
- Patent Title: System and method for improving signal-to-noise ratio in a laser imaging system
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Application No.: US16267381Application Date: 2019-02-04
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Publication No.: US10942275B2Publication Date: 2021-03-09
- Inventor: Michael J. Scaggs
- Applicant: Haas Laser Technologies, Inc.
- Applicant Address: US NJ Flanders
- Assignee: Haas Laser Technologies, Inc.
- Current Assignee: Haas Laser Technologies, Inc.
- Current Assignee Address: US NJ Flanders
- Agency: Smith & Hopen, P.A.
- Agent Molly L. Sauter
- Main IPC: G01S17/89
- IPC: G01S17/89 ; H01L27/146 ; G02B27/09 ; G02B5/20

Abstract:
A method and apparatus for improving measurements of a laser beam in a laser imaging system. The method includes, positioning an apodizing filter having a transmission profile that approaches a maximum at its edges between a pixelated detector and a laser source. The method further includes, emitting a laser beam from the laser source onto the apodizing filter and transmitting a portion of the laser incident upon the apodizing filter to the pixelated detector in accordance with the transmission profile of the apodizing filter such that the signal-to-noise ratio of the portion of the laser incident upon the pixelated detector is improved. The apodizing filter may be selected from a linear apodizing filter, a radial apodizing filter and a prism apodizing filter.
Public/Granted literature
- US20200033477A1 SYSTEM AND METHOD FOR IMPROVING SIGNAL-TO-NOISE RATIO IN A LASER IMAGING SYSTEM Public/Granted day:2020-01-30
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