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Measurement of refractive indices of the liquid crystal mixtures Merck 10400-000 and 10400-100 at the infrared wavelength lambda=1550 nm

  Articoli su Riviste JCR/ISI  (anno 2007)

Autori:  Brugioni S., Meucci R., Faetti S

Affiliazione Autori:  INFM, Dipartimento Fis Pisa, Largo Bruno Pontecorvo 3, I-56127 Pisa, Italy; Univ Pisa, Dipartimento Fis, I-56100 Pisa, Italy; CNR - Istituto Nazionale di Ottica Applicata, Largo E. Fermi 6, 50125 Firenze, Italy

Riassunto:  In this work the extraordinary and ordinary refractive indices of different commercial liquid crystal (LC) compounds have been measured at the wavelength lambda = 1550nm. Four samples have been investigated. Two of them are LCs Merck 10400-000 and 10400-100. The other two have been obtained mixing the previous LCs in different proportions. The method used for the measurement is based on a refractometric technique that takes advantage of refraction of a narrow laser beam by a wedged shaped LC cell. The method allows the measurement of both the extraordinary and ordinary refractive indices of the LC. The measurement of the angle of the wedged cell is a very critical point and it has been performed by means of an optical method. The refractive indices have been measured at different temperatures.

Rivista/Giornale:  MOLECULAR CRYSTALS AND LIQUID CRYSTALS SCIENCE AND TECHNOLOGY. SECTION A, MOLECULAR CRYSTALS AND LIQUID CRYSTALS
Volume n.:  465      Pagine da: 51  a: 58
DOI: 10.1080/15421400701205560

*Impact Factor della Rivista: (2007) 0.554   *Citazioni: 2
data tratti da "WEB OF SCIENCE" (marchio registrato di Thomson Reuters) ed aggiornati a:  19/05/2019

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