Ultrasmall microlens array based on vertically aligned carbon nanofibers

Qing Dai; Ranjith Rajasekharan; Haider Butt; Xiaohui Qiu; Gehan Amaragtunga; Timothy D. Wilkinson

doi:10.1002/smll.201200397

Ultrasmall microlens array based on vertically aligned carbon nanofibers

Qing Dai, Ranjith Rajasekharan, Haider Butt, Xiaohui Qiu, Gehan Amaragtunga, Timothy D. Wilkinson

Mechanical & Nuclear Engineering

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

21 Scopus citations

Abstract

An ultrasmall tunable microlens with a diameter of 1.5 μm is fabricated using nematic liquid crystals (electrically tunable medium) and vertically aligned carbon nanofibers (CNFs, electrodes). Individual CNFs are grown at the center of circular dielectric regions. This allows the CNFs to produce a more Gaussian electric field profile and hence more uniformity in lens array switching.

Original language	British English
Pages (from-to)	2501-2504
Number of pages	4
Journal	Small
Volume	8
Issue number	16
DOIs	https://doi.org/10.1002/smll.201200397
State	Published - 20 Aug 2012

Keywords

arrays
liquid crystals
microlenses
nano-optics
nanofibers

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10.1002/smll.201200397

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AU - Dai, Qing

AU - Rajasekharan, Ranjith

AU - Butt, Haider

AU - Qiu, Xiaohui

AU - Amaragtunga, Gehan

AU - Wilkinson, Timothy D.

PY - 2012/8/20

Y1 - 2012/8/20

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AB - An ultrasmall tunable microlens with a diameter of 1.5 μm is fabricated using nematic liquid crystals (electrically tunable medium) and vertically aligned carbon nanofibers (CNFs, electrodes). Individual CNFs are grown at the center of circular dielectric regions. This allows the CNFs to produce a more Gaussian electric field profile and hence more uniformity in lens array switching.

KW - arrays

KW - liquid crystals

KW - microlenses

KW - nano-optics

KW - nanofibers

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Ultrasmall microlens array based on vertically aligned carbon nanofibers

Abstract

Keywords

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