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Proceedings Paper

Bistable optical transmission properties of polyethylene-glycol
Author(s): Mitsunori Saito; Yoshihiro Nishimura
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Paper Abstract

Polyethylene-glycol (PEG) exhibited bistable transmission characteristics (transparent or opaque) in heating (melting) and cooling (freezing) processes. The bistable temperature range depended on the molecular weight and extended when different types of PEGs were mixed. For example, when PEGs with molecular weights of 300 and 2000 were mixed, the bistability took place in the 2–38 °C range. This phenomenon was used to fabricate a bistable optical fiber switch in which the mixed PEG was put in the gap between the ends of two polymer fibers. The bistable transmission property was demonstrated by controlling the device temperature with a Peltier element.

Paper Details

Date Published: 11 October 2012
PDF: 12 pages
Proc. SPIE 8474, Optical Processes in Organic Materials and Nanostructures, 847411 (11 October 2012); doi: 10.1117/12.928337
Show Author Affiliations
Mitsunori Saito, Ryukoku Univ. (Japan)
Yoshihiro Nishimura, Ryukoku Univ. (Japan)

Published in SPIE Proceedings Vol. 8474:
Optical Processes in Organic Materials and Nanostructures
Rachel Jakubiak; Manfred Eich; Jean-Michel Nunzi, Editor(s)

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