Distinctive optofluidic parallel waveguides

Novel lightwave propagation and bending can be realized in optofluidics by designing the refractive index profile in the microchannel through diffusion via transformation optics. Diffusion in the microfluidic channel is controllable, tunable and reconfigurable, realizing sophisticated bidirectional...

Full description

Saved in:
Bibliographic Details
Main Authors: Chin, Lip Ket, Yang, Y., Lei, L., Liu, Aiqun
Other Authors: School of Electrical and Electronic Engineering
Format: Conference or Workshop Item
Language:English
Published: 2015
Subjects:
Online Access:https://hdl.handle.net/10356/106907
http://hdl.handle.net/10220/25233
http://dx.doi.org/10.1016/j.proeng.2014.11.595
Tags: Add Tag
No Tags, Be the first to tag this record!
Institution: Nanyang Technological University
Language: English
id sg-ntu-dr.10356-106907
record_format dspace
spelling sg-ntu-dr.10356-1069072019-12-06T22:20:45Z Distinctive optofluidic parallel waveguides Chin, Lip Ket Yang, Y. Lei, L. Liu, Aiqun School of Electrical and Electronic Engineering EUROSENSORS European Conference on Solid-State Transducers (28th : 2014) DRNTU::Engineering::Electrical and electronic engineering::Antennas, wave guides, microwaves, radar, radio Novel lightwave propagation and bending can be realized in optofluidics by designing the refractive index profile in the microchannel through diffusion via transformation optics. Diffusion in the microfluidic channel is controllable, tunable and reconfigurable, realizing sophisticated bidirectional gradient-index profile for light manipulation. In this paper, 3D optofluidic parallel waveguides are formed using Dean's flow in a microchannel with tunable nano-gap. Photon-tunneling is observed between the optofluidic waveguides, and due to the diffusion process, distinctive light propagation patterns are observed. In symmetrical waveguides, chirped coupling pattern is observed due to the relaxation in index contrast at the downstream. With the ease of changing the composition of the liquids, asymmetrical waveguides can be realized and complex leaky lightwave is observed. The demonstrated optofluidic parallel waveguides will open new doors for more sophisticated and elegant photonic elements such as Eaton lens, designing via transformation optics. Published version 2015-03-11T06:42:37Z 2019-12-06T22:20:45Z 2015-03-11T06:42:37Z 2019-12-06T22:20:45Z 2014 2014 Conference Paper Chin, L. K., Yang, Y., Lei, L., & Liu, A. Q. (2014). Distinctive optofluidic parallel waveguides. Procedia engineering, 87, 1549-1552. https://hdl.handle.net/10356/106907 http://hdl.handle.net/10220/25233 http://dx.doi.org/10.1016/j.proeng.2014.11.595 en Procedia Engineering © 2014 Published by Elsevier Ltd. This is an open access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/3.0/). 4 p. application/pdf
institution Nanyang Technological University
building NTU Library
country Singapore
collection DR-NTU
language English
topic DRNTU::Engineering::Electrical and electronic engineering::Antennas, wave guides, microwaves, radar, radio
spellingShingle DRNTU::Engineering::Electrical and electronic engineering::Antennas, wave guides, microwaves, radar, radio
Chin, Lip Ket
Yang, Y.
Lei, L.
Liu, Aiqun
Distinctive optofluidic parallel waveguides
description Novel lightwave propagation and bending can be realized in optofluidics by designing the refractive index profile in the microchannel through diffusion via transformation optics. Diffusion in the microfluidic channel is controllable, tunable and reconfigurable, realizing sophisticated bidirectional gradient-index profile for light manipulation. In this paper, 3D optofluidic parallel waveguides are formed using Dean's flow in a microchannel with tunable nano-gap. Photon-tunneling is observed between the optofluidic waveguides, and due to the diffusion process, distinctive light propagation patterns are observed. In symmetrical waveguides, chirped coupling pattern is observed due to the relaxation in index contrast at the downstream. With the ease of changing the composition of the liquids, asymmetrical waveguides can be realized and complex leaky lightwave is observed. The demonstrated optofluidic parallel waveguides will open new doors for more sophisticated and elegant photonic elements such as Eaton lens, designing via transformation optics.
author2 School of Electrical and Electronic Engineering
author_facet School of Electrical and Electronic Engineering
Chin, Lip Ket
Yang, Y.
Lei, L.
Liu, Aiqun
format Conference or Workshop Item
author Chin, Lip Ket
Yang, Y.
Lei, L.
Liu, Aiqun
author_sort Chin, Lip Ket
title Distinctive optofluidic parallel waveguides
title_short Distinctive optofluidic parallel waveguides
title_full Distinctive optofluidic parallel waveguides
title_fullStr Distinctive optofluidic parallel waveguides
title_full_unstemmed Distinctive optofluidic parallel waveguides
title_sort distinctive optofluidic parallel waveguides
publishDate 2015
url https://hdl.handle.net/10356/106907
http://hdl.handle.net/10220/25233
http://dx.doi.org/10.1016/j.proeng.2014.11.595
_version_ 1681042575853617152