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http://dx.doi.org/10.3807/JOSK.2012.16.3.277

Weak Value Measurement of an Optical Beam Deflection in Image Rotating Sagnac Interferometer  

Park, Sang-Joon (Physics Department, Inha University)
Kim, Hyoung Joo (Physics Department, Inha University)
Noh, Jaewoo (Physics Department, Inha University)
Publication Information
Journal of the Optical Society of Korea / v.16, no.3, 2012 , pp. 277-281 More about this Journal
Abstract
We measured small optical beam deflection in an image rotating Sagnac interferometer. We used a weak value measurement scheme that involves a pre-selection, weak perturbation, and a post-selection procedure to obtain the amplified value of beam deflection. The amplification factor of the measured beam deflection varied from 11 to 63 depending on the settings of the post-selection polarizer in front of the photodetector and the settings of polarization compensator in the interferometer.
Keywords
Weak value; Optical beam deflection; Sagnac interferometer;
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