Modeling adapted to manufacturing of holographic super Gaussian gratings

Amir Asgari; Houshang A. Kazaz; Mohammad H. MalekiNaser P. ShabestariEesa AlidokhtMahmood Bakhshandeh

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Modeling adapted to manufacturing of holographic super Gaussian gratings

机译：Modeling adapted to manufacturing of holographic super Gaussian gratings

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A few holographic metallic (gold and silver) gratings with maximum diffraction efficiency (DE) in the 700 to 1100 nm wavelength range were designed. These designed diffraction gratings can be attractive for stretching and compressing pulses in chirped pulse amplification (CPA) technology. They were optimized for transverse magnetic polarized light in the first order (littrow mount). KPP1206 photoresist was used to model the final pattern on photoresist thin film. To obtain super Gaussian profiles, approximately identical exposure energy density intervals were used for optimizing grating profile. The optimized gold and silver gratings were compared in terms of DE, bandwidth and incidence angle range. Dependence of DE on the depth and duty cycle of super Gaussian gold and silver gratings showed that the silver grating had higher DE than the gold grating in 1064 nm. Fabricated silver grating based on modeling results had good agreement with experimental results.

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来源
《Optical Engineering》 |2012年第11期|115801-1-115801-6|共6页
作者
Amir Asgari; Houshang A. Kazaz; Mohammad H. MalekiNaser P. ShabestariEesa AlidokhtMahmood Bakhshandeh;
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作者单位

Amirkabir University of Technology, Department of Physics, P. O. Box 15875-4413, Tehran, Iran;

Optic & Laser Research School, P. O. Box 14155-1339, Tehran, Iran;

Amirkabir University of Technology, Mechanical Engineering Faculty, P. O. Box 15875-4413, Tehran, Iran;

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收录信息美国《科学引文索引》(SCI);美国《工程索引》(EI);
原文格式 PDF
正文语种英语
中图分类计量学;
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Modeling adapted to manufacturing of holographic super Gaussian gratings

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