Measurement of optical rotation and depolarization using both linearly and circularly polarized lights

Jing Fung Lin, Yu-Lung Lo

Research output: Contribution to journalConference article

2 Citations (Scopus)

Abstract

This paper presents a new technique using both linearly and circularly polarized lights with measured Stokes parameters for measuring the optical rotation of optical sample with depolarization effects under a linearly birefringent medium placed before the optical sample. For a half-wave plate sample in series with a quarter-wave plate, the average normalized error in the measured rotation angle of the half-wave plate is determined to be 0.01 % by a circularly polarized probe light, and the average surviving linear and circular polarization fractions of the half-wave plate are determined to be 1.0051 and 0.9994, respectively, with a standard deviation of 0.0022 and 0.0012, respectively. From the inspection of a half-wave plate followed by glucose solutions with concentrations ranging from 0̃1.2 g/dl, the average normalized error in the measured rotation angles of the glucose solutions is determined to be 3.11 % by a linearly polarized probe light. The average surviving linear and circular polarization fractions of the glucose solutions are determined to be 1.0252 and 0.9945, respectively, with a standard deviation of 0.0028 and 0.00005, respectively. Overall, the proposed technique for measuring the optical properties of the optical rotation and depolarization is proved to be feasible, and the preservation of circular polarization is successfully measured with good precision.

Original languageEnglish
Article number73754K
JournalProceedings of SPIE - The International Society for Optical Engineering
Volume7375
DOIs
Publication statusPublished - 2009 Dec 1
EventInternational Conference on Experimental Mechanics 2008, ICEM 2008 - Nanjing, China
Duration: 2008 Nov 82008 Nov 8

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Optical rotation
Depolarization
Light polarization
depolarization
polarized light
Circular Polarization
Linearly
Circular polarization
circular polarization
Glucose
glucose
linear polarization
light beams
Standard deviation
standard deviation
Probe
Angle
Stokes
Preservation
Optical Properties

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics
  • Computer Science Applications
  • Applied Mathematics
  • Electrical and Electronic Engineering

Cite this

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title = "Measurement of optical rotation and depolarization using both linearly and circularly polarized lights",
abstract = "This paper presents a new technique using both linearly and circularly polarized lights with measured Stokes parameters for measuring the optical rotation of optical sample with depolarization effects under a linearly birefringent medium placed before the optical sample. For a half-wave plate sample in series with a quarter-wave plate, the average normalized error in the measured rotation angle of the half-wave plate is determined to be 0.01 {\%} by a circularly polarized probe light, and the average surviving linear and circular polarization fractions of the half-wave plate are determined to be 1.0051 and 0.9994, respectively, with a standard deviation of 0.0022 and 0.0012, respectively. From the inspection of a half-wave plate followed by glucose solutions with concentrations ranging from 0̃1.2 g/dl, the average normalized error in the measured rotation angles of the glucose solutions is determined to be 3.11 {\%} by a linearly polarized probe light. The average surviving linear and circular polarization fractions of the glucose solutions are determined to be 1.0252 and 0.9945, respectively, with a standard deviation of 0.0028 and 0.00005, respectively. Overall, the proposed technique for measuring the optical properties of the optical rotation and depolarization is proved to be feasible, and the preservation of circular polarization is successfully measured with good precision.",
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AB - This paper presents a new technique using both linearly and circularly polarized lights with measured Stokes parameters for measuring the optical rotation of optical sample with depolarization effects under a linearly birefringent medium placed before the optical sample. For a half-wave plate sample in series with a quarter-wave plate, the average normalized error in the measured rotation angle of the half-wave plate is determined to be 0.01 % by a circularly polarized probe light, and the average surviving linear and circular polarization fractions of the half-wave plate are determined to be 1.0051 and 0.9994, respectively, with a standard deviation of 0.0022 and 0.0012, respectively. From the inspection of a half-wave plate followed by glucose solutions with concentrations ranging from 0̃1.2 g/dl, the average normalized error in the measured rotation angles of the glucose solutions is determined to be 3.11 % by a linearly polarized probe light. The average surviving linear and circular polarization fractions of the glucose solutions are determined to be 1.0252 and 0.9945, respectively, with a standard deviation of 0.0028 and 0.00005, respectively. Overall, the proposed technique for measuring the optical properties of the optical rotation and depolarization is proved to be feasible, and the preservation of circular polarization is successfully measured with good precision.

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