Design and demonstration of a tiled-grating frame

Jun-wei Zhang; Wei Chen; Yi Zhou; Na Xie; Hai Zhou; Xiao Wang; Feng Jing; Xiao-Min Zhang

doi:10.1117/1.OE.51.1.013007

6 February 2012 Design and demonstration of a tiled-grating frame

Jun-wei Zhang, Wei Chen, Yi Zhou, Na Xie, Hai Zhou, Xiao Wang, Feng Jing, Xiao-Min Zhang

Author Affiliations +

Optical Engineering, Vol. 51, Issue 1, 013007 (February 2012). https://doi.org/10.1117/1.OE.51.1.013007

Abstract

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.

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Jun-wei Zhang, Wei Chen, Yi Zhou, Na Xie, Hai Zhou, Xiao Wang, Feng Jing, and Xiao-Min Zhang "Design and demonstration of a tiled-grating frame," Optical Engineering 51(1), 013007 (6 February 2012). https://doi.org/10.1117/1.OE.51.1.013007

Published: 6 February 2012

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KEYWORDS

Ferroelectric materials

Diffraction gratings

Optical engineering

Pulsed laser operation

Sensors

Fusion energy

Laser welding

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