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Please use this identifier to cite or link to this item: http://dyuthi.cusat.ac.in/purl/2394

Title: Use of mirage effect for the detection of phase transitions in liquid crystals
Authors: Nampoori, V P N
Vallabhan, C P G
George, A K
Radhakrishnan, P
Rajasree, K
Vidyalal, V
Keywords: Liquid crystals
Mirage effect
Photothermal deflection
Nematic and smectic phases
Issue Date: Jul-1998
Publisher: Elsevier
Abstract: he phenomenon of single beam mirage effect, otherwise known as photothermal deflection (PTD) effect using a He–Ne laser beam has been employed to detect phase transitions in some liquid crystals. It has been observed that anomalous changes in amplitude occur in the PTD signal level near the transition temperature. The experimental details and the results of measurements made in liquid crystals E8, M21 and M24 are given in this paper.
URI: http://dyuthi.cusat.ac.in/purl/2394
ISSN: 0167-577X
Appears in Collections:Dr.C P Girijavallabhan

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