Kutai Electrical Industrial Co., Ltd.

Chi-Wang Kuo

Shyh-Tsong Lin

A method and a system for generating grating images with an improved speed is disclosed. The system utilizes a coherent light source for providing a coherent beam L, an exposure control device for controlling the exposure of the coherent beam L, a beam guiding device for controlling the pitch and the orientation of each grating, a symmetrical beam generating device for splitting the coherent beam L into two symmetrical coherent beams, a local scan device for allowing the two coherent beams to intersect and form a standing wave, at different position in a small local scan area in order to combine different gratings in the local scan area, a photosensitive material for recording the standing wave, and a supporting device for supporting and moving the photosensitive material so as to combine different local scan area, and obtain a large scale grating image.

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Kaohsiung, Taiwan

Chi-Wang Kuo