Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Takashi Onose0
Date of Patent
June 1, 2021
0Patent Application Number
164294340
Date Filed
June 3, 2019
0Patent Citations Received
Patent Primary Examiner
Patent abstract
A laser system including: A. a laser apparatus configured to output a pulse laser beam; B. an optical pulse stretcher including a delay optical path for expanding a pulse width of the pulse laser beam; and C. a phase optical element included in the delay optical path and having a function of spatially and randomly shifting a phase of the pulse laser beam. The phase optical element includes a plurality of types of cells providing different amounts of phase shift to the pulse laser beam and arranged irregularly in any direction.
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