Magnification of a polarization angle with a Littrow layout brazed grating

Sasao, Hajime; Arakawa, Hiroyuki*; Kubo, Hirotaka; Kawano, Yasunori; Itami, Kiyoshi

A new method to magnify a small polarization angle with brazed gratings has been developed. In the method, difference in diffraction efficiency for S and P polarization components is used. The magnification dependence on the incident angle can be small by arranging the grating in Littrow layout. A magnification with a factor 2.7 has been demonstrated for a 10.6 m CO $_{2}$ laser beam as expected from a calculation. The method is applicable in many polarimetry fields.

Language	:	English
Journal	:	Review of Scientific Instruments
Volume	:	85
Number	:	8
Pages	:	p.086106_1 - 086106_3
Publication Year/Month	:	2014/08
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Paper URL	:	https://doi.org/10.1063/1.4892478
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Keywords	:	magnification of a polarization angle; grating; Littrow layout
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Registration No. : AA20140157
JAEA Abstracts No. : 43000103
Paper Submission No. : 15235

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