Observation of transient reorientation of dye-doped liquid crystals by pumped attenuated total reflection

Kuang Yao Lo; Chia Yi Huang

doi:10.1063/1.2338561

Observation of transient reorientation of dye-doped liquid crystals by pumped attenuated total reflection

Kuang Yao Lo, Chia Yi Huang

Department of Physics

Research output: Contribution to journal › Article › peer-review

2 Citations (Scopus)

Abstract

A transient reorientation of liquid crystals in azo-dye-doped liquid crystals (ADDLCs) is observed by the improved attenuated total reflection leading a pump light into a coupling prism, namely, pumped ATR experiment. The evanescent wave of the pump light induces the photoexcitation of azo dye at the limited effective depth, and the evanescent wave of the probe light detects the dynamic behavior in real time. The time response of the photoexcitation in ADDLCs in the pumped ATR experiment is less than 2 ms and it is believed that the reaction occured in the local region of 100 nm.

Original language	English
Article number	081114
Journal	Applied Physics Letters
Volume	89
Issue number	8
DOIs	https://doi.org/10.1063/1.2338561
Publication status	Published - 2006

All Science Journal Classification (ASJC) codes

Physics and Astronomy (miscellaneous)

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10.1063/1.2338561

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title = "Observation of transient reorientation of dye-doped liquid crystals by pumped attenuated total reflection",

abstract = "A transient reorientation of liquid crystals in azo-dye-doped liquid crystals (ADDLCs) is observed by the improved attenuated total reflection leading a pump light into a coupling prism, namely, pumped ATR experiment. The evanescent wave of the pump light induces the photoexcitation of azo dye at the limited effective depth, and the evanescent wave of the probe light detects the dynamic behavior in real time. The time response of the photoexcitation in ADDLCs in the pumped ATR experiment is less than 2 ms and it is believed that the reaction occured in the local region of 100 nm.",

author = "Lo, {Kuang Yao} and Huang, {Chia Yi}",

note = "Funding Information: The authors would like to thank the National Science Council (NSC) of the Republic of China (Taiwan) for financially supporting this research under Contract No. NSC 94-2112-M-415-006 and the assistance of the Lithography Area and Optoelectronic Analysis Laboratory in NCYU. ",

year = "2006",

doi = "10.1063/1.2338561",

language = "English",

volume = "89",

journal = "Applied Physics Letters",

issn = "0003-6951",

publisher = "American Institute of Physics Publising LLC",

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TY - JOUR

T1 - Observation of transient reorientation of dye-doped liquid crystals by pumped attenuated total reflection

AU - Lo, Kuang Yao

AU - Huang, Chia Yi

N1 - Funding Information: The authors would like to thank the National Science Council (NSC) of the Republic of China (Taiwan) for financially supporting this research under Contract No. NSC 94-2112-M-415-006 and the assistance of the Lithography Area and Optoelectronic Analysis Laboratory in NCYU.

PY - 2006

Y1 - 2006

N2 - A transient reorientation of liquid crystals in azo-dye-doped liquid crystals (ADDLCs) is observed by the improved attenuated total reflection leading a pump light into a coupling prism, namely, pumped ATR experiment. The evanescent wave of the pump light induces the photoexcitation of azo dye at the limited effective depth, and the evanescent wave of the probe light detects the dynamic behavior in real time. The time response of the photoexcitation in ADDLCs in the pumped ATR experiment is less than 2 ms and it is believed that the reaction occured in the local region of 100 nm.

AB - A transient reorientation of liquid crystals in azo-dye-doped liquid crystals (ADDLCs) is observed by the improved attenuated total reflection leading a pump light into a coupling prism, namely, pumped ATR experiment. The evanescent wave of the pump light induces the photoexcitation of azo dye at the limited effective depth, and the evanescent wave of the probe light detects the dynamic behavior in real time. The time response of the photoexcitation in ADDLCs in the pumped ATR experiment is less than 2 ms and it is believed that the reaction occured in the local region of 100 nm.

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JO - Applied Physics Letters

JF - Applied Physics Letters

IS - 8

M1 - 081114

ER -

Observation of transient reorientation of dye-doped liquid crystals by pumped attenuated total reflection

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