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BLAZED DIFFRACTION GRATING AND METHOD FOR MANUFACTURING BLAZED DIFFRACTION GRATING
BLAZED DIFFRACTION GRATING AND METHOD FOR MANUFACTURING BLAZED DIFFRACTION GRATING
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机译:闪耀衍射光栅和制造闪耀衍射光栅的方法
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摘要
An object is to provide a blazed diffraction grating having a smaller blaze angle than an existing blaze angle, and a method for producing the same. A method for producing a blazed diffraction grating includes the steps of forming a resin layer on a support having a saw-tooth sectional shape and having a surface on which a basic blaze surface and a basic riser surface are arranged alternately and repeatedly in a direction, such that the thickness of the resin layer contacting with the surface monotonically changes in the direction, and forming a metal coating film covering the resin layer surface. The method for monotonically changes the thickness comes in a formation method by difference in volatilization volume after applying a solvent resin on the support, and a formation method by a centrifugal force.
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