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Optica Publishing Group
  • Journal of the Optical Society of Korea
  • Vol. 16,
  • Issue 3,
  • pp. 277-281
  • (2012)

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

Open Access Open Access

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.

© 2012 Optical Society of Korea

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