Precise measurement of the refractive index and optical rotatory power of a suspension by a delayed optical heterodyne technique

Takahisa Mitsui, Katsumi Sakurai

Research output: Contribution to journalArticle

24 Citations (Scopus)

Abstract

By using an optical heterodyne technique, we have demonstrated the detection of ballistic photons traveling through a suspension. We measured the propagation time of light in a sample with a variable optical delay line in the reference arm of an interferometer, using a superluminescent diode as a light source. The resolution and accuracy in propagation time measurement were 400 and 3 fs, respectively. The minimum detectable rotation angle of 1/10,000 deg was achieved with an integration time of 5 s. This system can measure the refractive index and optical rotatory power of the suspension in a solvent without disturbing heavy scattering from particles in the suspension, because ballistic photons are detected.

Original languageEnglish
Pages (from-to)2253-2258
Number of pages6
JournalApplied Optics
Volume35
Issue number13
Publication statusPublished - 1996 May 1
Externally publishedYes

Fingerprint

Ballistics
Refractive index
Photons
refractivity
ballistics
Electric delay lines
Time measurement
Interferometers
Light sources
Diodes
propagation
photons
delay lines
Scattering
light sources
interferometers
diodes
time measurement
scattering

Keywords

  • Ballistic photons
  • Femtosecond
  • Optical heterodyne detection
  • Optical rotation
  • Polarimeter

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics

Cite this

Precise measurement of the refractive index and optical rotatory power of a suspension by a delayed optical heterodyne technique. / Mitsui, Takahisa; Sakurai, Katsumi.

In: Applied Optics, Vol. 35, No. 13, 01.05.1996, p. 2253-2258.

Research output: Contribution to journalArticle

@article{fe996db85c9143dd9f1f3f9938796bcd,
title = "Precise measurement of the refractive index and optical rotatory power of a suspension by a delayed optical heterodyne technique",
abstract = "By using an optical heterodyne technique, we have demonstrated the detection of ballistic photons traveling through a suspension. We measured the propagation time of light in a sample with a variable optical delay line in the reference arm of an interferometer, using a superluminescent diode as a light source. The resolution and accuracy in propagation time measurement were 400 and 3 fs, respectively. The minimum detectable rotation angle of 1/10,000 deg was achieved with an integration time of 5 s. This system can measure the refractive index and optical rotatory power of the suspension in a solvent without disturbing heavy scattering from particles in the suspension, because ballistic photons are detected.",
keywords = "Ballistic photons, Femtosecond, Optical heterodyne detection, Optical rotation, Polarimeter",
author = "Takahisa Mitsui and Katsumi Sakurai",
year = "1996",
month = "5",
day = "1",
language = "English",
volume = "35",
pages = "2253--2258",
journal = "Applied Optics",
issn = "1559-128X",
publisher = "The Optical Society",
number = "13",

}

TY - JOUR

T1 - Precise measurement of the refractive index and optical rotatory power of a suspension by a delayed optical heterodyne technique

AU - Mitsui, Takahisa

AU - Sakurai, Katsumi

PY - 1996/5/1

Y1 - 1996/5/1

N2 - By using an optical heterodyne technique, we have demonstrated the detection of ballistic photons traveling through a suspension. We measured the propagation time of light in a sample with a variable optical delay line in the reference arm of an interferometer, using a superluminescent diode as a light source. The resolution and accuracy in propagation time measurement were 400 and 3 fs, respectively. The minimum detectable rotation angle of 1/10,000 deg was achieved with an integration time of 5 s. This system can measure the refractive index and optical rotatory power of the suspension in a solvent without disturbing heavy scattering from particles in the suspension, because ballistic photons are detected.

AB - By using an optical heterodyne technique, we have demonstrated the detection of ballistic photons traveling through a suspension. We measured the propagation time of light in a sample with a variable optical delay line in the reference arm of an interferometer, using a superluminescent diode as a light source. The resolution and accuracy in propagation time measurement were 400 and 3 fs, respectively. The minimum detectable rotation angle of 1/10,000 deg was achieved with an integration time of 5 s. This system can measure the refractive index and optical rotatory power of the suspension in a solvent without disturbing heavy scattering from particles in the suspension, because ballistic photons are detected.

KW - Ballistic photons

KW - Femtosecond

KW - Optical heterodyne detection

KW - Optical rotation

KW - Polarimeter

UR - http://www.scopus.com/inward/record.url?scp=0030150160&partnerID=8YFLogxK

UR - http://www.scopus.com/inward/citedby.url?scp=0030150160&partnerID=8YFLogxK

M3 - Article

C2 - 21085361

AN - SCOPUS:0030150160

VL - 35

SP - 2253

EP - 2258

JO - Applied Optics

JF - Applied Optics

SN - 1559-128X

IS - 13

ER -