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1 August 2021 Dynamics of flow-induced birefringence in phantasmagoric liquid crystals
Jun Yamamoto, Nozomu Takahashi, Giusy Scalia
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Proceedings Volume 11807, Liquid Crystals XXV; 118070E (2021) https://doi.org/10.1117/12.2594463
Event: SPIE Organic Photonics + Electronics, 2021, San Diego, California, United States
Abstract
We have investigated the new types of the continuous isotropic(I)-nematic(N) phase transition originated from the shape transformation of micelles from sphere to rod in extremely dilute concentration region(3~9wt%). In this paper, we measure the response time of the flow birefringence dependent on the AC flow field and discuss the origin and dynamics of the flow induced birefringence. The flow birefringence is 3-order slower than the relaxation time of the order parameter fluctuation in the isotropic phase near I-N transition point.
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Jun Yamamoto, Nozomu Takahashi, and Giusy Scalia "Dynamics of flow-induced birefringence in phantasmagoric liquid crystals", Proc. SPIE 11807, Liquid Crystals XXV, 118070E (1 August 2021); https://doi.org/10.1117/12.2594463
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KEYWORDS
Birefringence
Tin
Liquid crystals
Light scattering
Dynamic light scattering
Scattering
Temperature metrology
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