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Design and demonstration of a tiled-grating frame

Opt. Eng. 51, 013007 (Feb 06, 2012); http://dx.doi.org/10.1117/1.OE.51.1.013007

Zhang Jun-wei, Chen Wei, and Zhou Yi

Chongqing University, College of Mechanical Engineering, Chongqing, China 400044

Xie Na, Zhou Hai, Wang Xiao, Jing Feng, Zhang Xiao-min,

China Academy of Engineering Physics, Research Center of Laser Fusion, Mianyang, China 621900

Development of a phased-array-grating compressor is a crucial issue for high-energy ultrashort pulse petawatt lasers. To achieve tiled array gratings and increase stability of tiled-grating frames, a new tiled grating frame is designed. In the tiled-grating frame, an integrated support structure is adopted to increase the natural frequency of the tiled-grating and the flexible hinges are used rather than the spring to increase the joint stiffness between the grating and the support frame. The experiment indicates that stability of the tiled-grating can be maintained for more than 1 h and the standard deviation of the tiling error is 35.7 nm, which satisfies the design requirement.

© 2012 Society of Photo-Optical Instrumentation Engineers

History
Received Jun 22, 2011
Accepted Nov 22, 2011
Revised Nov 20, 2011
Published online Feb 06, 2012
Citation
Zhang Jun-wei, Chen Wei, Xie Na, Zhou Yi, Zhou Hai, Wang Xiao, Jing Feng and Zhang Xiao-min, "Design and demonstration of a tiled-grating frame", Opt. Eng. 51, 013007 (Feb 06, 2012); http://dx.doi.org/10.1117/1.OE.51.1.013007

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