Polarization-independent refractive index tuning using gold nanoparticle-stabilized blue phase liquid crystals

Shuhei Yabu; Yuma Tanaka; Kenji Tagashira; Hiroyuki Yoshida; Akihiko Fujii; Hirotsugu Kikuchi; Masanori Ozaki

doi:10.1364/OL.36.003578

Polarization-independent refractive index tuning using gold nanoparticle-stabilized blue phase liquid crystals

Shuhei Yabu, Yuma Tanaka, Kenji Tagashira, Hiroyuki Yoshida, Akihiko Fujii, Hirotsugu Kikuchi, Masanori Ozaki

Department of Integrated Materials

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

23 Citations (Scopus)

Abstract

Polarization-independent refractive index (RI) modulation can be achieved in blue phase (BP) liquid crystals (LCs) by applying an electric field parallel to the direction of light transmission. One of the problems limiting the achievable tuning range is the field-induced phase transition to the cholesteric phase, which is birefringent and chiral. Here we report the RI modulation capabilities of gold nanoparticle-doped BPs I and II, and we show that field-induced BP-cholesteric transition is suppressed in nanoparticle-doped BP II. Because the LC remains optically isotropic even at high applied voltages, a larger RI tuning range can be achieved.

Original language	English
Pages (from-to)	3578-3580
Number of pages	3
Journal	Optics Letters
Volume	36
Issue number	18
DOIs	https://doi.org/10.1364/OL.36.003578
Publication status	Published - Sept 15 2011

All Science Journal Classification (ASJC) codes

Atomic and Molecular Physics, and Optics

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10.1364/OL.36.003578

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abstract = "Polarization-independent refractive index (RI) modulation can be achieved in blue phase (BP) liquid crystals (LCs) by applying an electric field parallel to the direction of light transmission. One of the problems limiting the achievable tuning range is the field-induced phase transition to the cholesteric phase, which is birefringent and chiral. Here we report the RI modulation capabilities of gold nanoparticle-doped BPs I and II, and we show that field-induced BP-cholesteric transition is suppressed in nanoparticle-doped BP II. Because the LC remains optically isotropic even at high applied voltages, a larger RI tuning range can be achieved.",

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AU - Yabu, Shuhei

AU - Tanaka, Yuma

AU - Tagashira, Kenji

AU - Yoshida, Hiroyuki

AU - Fujii, Akihiko

AU - Kikuchi, Hirotsugu

AU - Ozaki, Masanori

PY - 2011/9/15

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N2 - Polarization-independent refractive index (RI) modulation can be achieved in blue phase (BP) liquid crystals (LCs) by applying an electric field parallel to the direction of light transmission. One of the problems limiting the achievable tuning range is the field-induced phase transition to the cholesteric phase, which is birefringent and chiral. Here we report the RI modulation capabilities of gold nanoparticle-doped BPs I and II, and we show that field-induced BP-cholesteric transition is suppressed in nanoparticle-doped BP II. Because the LC remains optically isotropic even at high applied voltages, a larger RI tuning range can be achieved.

AB - Polarization-independent refractive index (RI) modulation can be achieved in blue phase (BP) liquid crystals (LCs) by applying an electric field parallel to the direction of light transmission. One of the problems limiting the achievable tuning range is the field-induced phase transition to the cholesteric phase, which is birefringent and chiral. Here we report the RI modulation capabilities of gold nanoparticle-doped BPs I and II, and we show that field-induced BP-cholesteric transition is suppressed in nanoparticle-doped BP II. Because the LC remains optically isotropic even at high applied voltages, a larger RI tuning range can be achieved.

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Polarization-independent refractive index tuning using gold nanoparticle-stabilized blue phase liquid crystals

Abstract

All Science Journal Classification (ASJC) codes

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