Optical method for measuring optical rotation angle and refractive index of chiral solution

Jiun You Lin, Kun Huang Chen, Jing Heng Chen

Research output: Contribution to journalArticle

5 Citations (Scopus)

Abstract

Based on the phenomena of Brewster's angle and the principles of common-path heterodyne interferometry, we present an optical method for measuring the optical rotation angle and the refractive index of a chiral solution simultaneously in one optical configuration. A heterodyne light beam and a circularly polarized heterodyne fight beam are separately guided to project onto the interface of a semicircle glass and a chiral solution. One of the beams is transmitted through the solution, and the other is reflected near Brewster's angle at the interface. Then the two beams pass through polarization components respectively for interference. The phase differences of the two interference signals used to determine the rotation angle and the refractive index become very high with the proper azimuth angles of some polarization components, hence achieving an accurate rotational angle and a refractive index. The feasibility of the measuring method was demonstrated by our experimental results. This method should bear the merits of high accuracy, short sample medium length, and simpler operational endeavor.

Original languageEnglish
Pages (from-to)8134-8139
Number of pages6
JournalApplied Optics
Volume46
Issue number33
DOIs
Publication statusPublished - 2007 Nov 20

Fingerprint

Optical rotation
Refractive index
optics
refractivity
Brewster angle
Polarization
Signal interference
interference
Interferometry
polarization
bears
azimuth
light beams
Glass
interferometry
glass
configurations

All Science Journal Classification (ASJC) codes

  • Atomic and Molecular Physics, and Optics
  • Engineering (miscellaneous)
  • Electrical and Electronic Engineering

Cite this

Lin, Jiun You ; Chen, Kun Huang ; Chen, Jing Heng. / Optical method for measuring optical rotation angle and refractive index of chiral solution. In: Applied Optics. 2007 ; Vol. 46, No. 33. pp. 8134-8139.
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Optical method for measuring optical rotation angle and refractive index of chiral solution. / Lin, Jiun You; Chen, Kun Huang; Chen, Jing Heng.

In: Applied Optics, Vol. 46, No. 33, 20.11.2007, p. 8134-8139.

Research output: Contribution to journalArticle

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