Apparatus for simultaneous observation of the electro-optic response and small angle x-ray scattering in liquid crystals

H. F. Gleeson, C. Carboni, A. S. Morse

Research output: Contribution to journalArticle

10 Citations (Scopus)

Abstract

A novel apparatus allowing the simultaneous observation of small angle x-ray scattering and time dependent birefringence changes of a dynamic system is described. The apparatus incorporates a monochromatic light source, polarizers, a fast photodiode detector, and electric field generating equipment, such that electro-optic response times between 10 μs and 100 s may be measured. The electro-optic apparatus is incorporated in an x-ray camera sited at the Synchrotron Radiation Source at Daresbury Laboratory, UK. The x-ray apparatus allows the study of structures ∼30 Å in dimension and the detector is time resolved with a minimum response time of 10 μs. A hot stage and temperature controller are also incorporated into the apparatus, allowing the study of smectic liquid crystal devices. Results from the simultaneous acquisition of time resolved x-ray scattering data and electro-optic measurements from a thin film of smectic-A liquid crystal are presented.

Original languageEnglish
Pages (from-to)3563-3568
Number of pages6
JournalReview of Scientific Instruments
Volume66
Issue number6
DOIs
Publication statusPublished - 1995

Fingerprint

Electrooptical effects
x ray scattering
Liquid crystals
electro-optics
liquid crystals
Scattering
X rays
x ray apparatus
Smectic liquid crystals
Detectors
Monochromators
Birefringence
Photodiodes
Synchrotron radiation
detectors
Dynamical systems
polarizers
radiation sources
Cameras
Electric fields

ASJC Scopus subject areas

  • Instrumentation
  • Physics and Astronomy (miscellaneous)

Cite this

Apparatus for simultaneous observation of the electro-optic response and small angle x-ray scattering in liquid crystals. / Gleeson, H. F.; Carboni, C.; Morse, A. S.

In: Review of Scientific Instruments, Vol. 66, No. 6, 1995, p. 3563-3568.

Research output: Contribution to journalArticle

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