A new electro-optic modulated circular heterodyne interferometer for measuring the rotation angle in a chiral medium

Jing Fung Lin, Chih Chao Chang, Chang Ding Syu, Yu-Lung Lo, Sen-Yung Lee

Research output: Contribution to journalArticle

13 Citations (Scopus)

Abstract

A new optical polarimeter capable of measuring the rotation angle in a chiral medium is developed successfully, and is an extension of previously developed simultaneous or sequential measurement system of the principal axis and retardance in linearly birefringent materials. The polarimeter for measuring the rotation angle is based on an electro-optic modulated circular heterodyne interferometer and using phase-lock technique to measure the rotation angle directly and precisely. The validity of the proposed design is demonstrated by the measurement of rotation angle in a half-wave plate and the glucose sample. The average relative error in rotation angle level of 0.00284° has been obtained for a half-wave plate. A correlation coefficient value of 0.9999975 is determined; it indicates a highly linear relationship between the reference values and the measured rotation angles. Moreover, a standard deviation in rotation angle level of 0.005275° has been obtained for glucose solutions with concentrations ranging from 0 to 1.2 g/dl in 0.2 g/dl increments, with a correlation coefficient value of 0.99915 between the reference and the measured values. This setup is compact in configuration, and is easy in calibration. The linearity and resolution characteristics of this system are comparable to those previous studies adopting phase-sensitive techniques.

Original languageEnglish
Pages (from-to)39-44
Number of pages6
JournalOptics and Lasers in Engineering
Volume47
Issue number1
DOIs
Publication statusPublished - 2009 Jan 1

Fingerprint

Electrooptical effects
Interferometers
electro-optics
interferometers
Polarimeters
polarimeters
glucose
correlation coefficients
Glucose
linearity
standard deviation
Calibration
configurations

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Electrical and Electronic Engineering
  • Atomic and Molecular Physics, and Optics
  • Mechanical Engineering

Cite this

@article{2a2748a7c81f456f90a8704d50272da6,
title = "A new electro-optic modulated circular heterodyne interferometer for measuring the rotation angle in a chiral medium",
abstract = "A new optical polarimeter capable of measuring the rotation angle in a chiral medium is developed successfully, and is an extension of previously developed simultaneous or sequential measurement system of the principal axis and retardance in linearly birefringent materials. The polarimeter for measuring the rotation angle is based on an electro-optic modulated circular heterodyne interferometer and using phase-lock technique to measure the rotation angle directly and precisely. The validity of the proposed design is demonstrated by the measurement of rotation angle in a half-wave plate and the glucose sample. The average relative error in rotation angle level of 0.00284° has been obtained for a half-wave plate. A correlation coefficient value of 0.9999975 is determined; it indicates a highly linear relationship between the reference values and the measured rotation angles. Moreover, a standard deviation in rotation angle level of 0.005275° has been obtained for glucose solutions with concentrations ranging from 0 to 1.2 g/dl in 0.2 g/dl increments, with a correlation coefficient value of 0.99915 between the reference and the measured values. This setup is compact in configuration, and is easy in calibration. The linearity and resolution characteristics of this system are comparable to those previous studies adopting phase-sensitive techniques.",
author = "Lin, {Jing Fung} and Chang, {Chih Chao} and Syu, {Chang Ding} and Yu-Lung Lo and Sen-Yung Lee",
year = "2009",
month = "1",
day = "1",
doi = "10.1016/j.optlaseng.2008.08.004",
language = "English",
volume = "47",
pages = "39--44",
journal = "Optics and Lasers in Engineering",
issn = "0143-8166",
publisher = "Elsevier Limited",
number = "1",

}

A new electro-optic modulated circular heterodyne interferometer for measuring the rotation angle in a chiral medium. / Lin, Jing Fung; Chang, Chih Chao; Syu, Chang Ding; Lo, Yu-Lung; Lee, Sen-Yung.

In: Optics and Lasers in Engineering, Vol. 47, No. 1, 01.01.2009, p. 39-44.

Research output: Contribution to journalArticle

TY - JOUR

T1 - A new electro-optic modulated circular heterodyne interferometer for measuring the rotation angle in a chiral medium

AU - Lin, Jing Fung

AU - Chang, Chih Chao

AU - Syu, Chang Ding

AU - Lo, Yu-Lung

AU - Lee, Sen-Yung

PY - 2009/1/1

Y1 - 2009/1/1

N2 - A new optical polarimeter capable of measuring the rotation angle in a chiral medium is developed successfully, and is an extension of previously developed simultaneous or sequential measurement system of the principal axis and retardance in linearly birefringent materials. The polarimeter for measuring the rotation angle is based on an electro-optic modulated circular heterodyne interferometer and using phase-lock technique to measure the rotation angle directly and precisely. The validity of the proposed design is demonstrated by the measurement of rotation angle in a half-wave plate and the glucose sample. The average relative error in rotation angle level of 0.00284° has been obtained for a half-wave plate. A correlation coefficient value of 0.9999975 is determined; it indicates a highly linear relationship between the reference values and the measured rotation angles. Moreover, a standard deviation in rotation angle level of 0.005275° has been obtained for glucose solutions with concentrations ranging from 0 to 1.2 g/dl in 0.2 g/dl increments, with a correlation coefficient value of 0.99915 between the reference and the measured values. This setup is compact in configuration, and is easy in calibration. The linearity and resolution characteristics of this system are comparable to those previous studies adopting phase-sensitive techniques.

AB - A new optical polarimeter capable of measuring the rotation angle in a chiral medium is developed successfully, and is an extension of previously developed simultaneous or sequential measurement system of the principal axis and retardance in linearly birefringent materials. The polarimeter for measuring the rotation angle is based on an electro-optic modulated circular heterodyne interferometer and using phase-lock technique to measure the rotation angle directly and precisely. The validity of the proposed design is demonstrated by the measurement of rotation angle in a half-wave plate and the glucose sample. The average relative error in rotation angle level of 0.00284° has been obtained for a half-wave plate. A correlation coefficient value of 0.9999975 is determined; it indicates a highly linear relationship between the reference values and the measured rotation angles. Moreover, a standard deviation in rotation angle level of 0.005275° has been obtained for glucose solutions with concentrations ranging from 0 to 1.2 g/dl in 0.2 g/dl increments, with a correlation coefficient value of 0.99915 between the reference and the measured values. This setup is compact in configuration, and is easy in calibration. The linearity and resolution characteristics of this system are comparable to those previous studies adopting phase-sensitive techniques.

UR - http://www.scopus.com/inward/record.url?scp=56549107401&partnerID=8YFLogxK

UR - http://www.scopus.com/inward/citedby.url?scp=56549107401&partnerID=8YFLogxK

U2 - 10.1016/j.optlaseng.2008.08.004

DO - 10.1016/j.optlaseng.2008.08.004

M3 - Article

VL - 47

SP - 39

EP - 44

JO - Optics and Lasers in Engineering

JF - Optics and Lasers in Engineering

SN - 0143-8166

IS - 1

ER -