Distinctive optofluidic parallel waveguides

L. K. Chin; Y. Yang; L. Lei; A. Q. Liu

doi:10.1016/j.proeng.2014.11.595

Distinctive optofluidic parallel waveguides

L. K. Chin
, Y. Yang
, L. Lei
, A. Q. Liu

Research output: Journal Publications and Reviews › RGC 21 - Publication in refereed journal › peer-review

32 Downloads (CityUHK Scholars)

Abstract

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.

Original language	English
Pages (from-to)	1549-1552
Journal	Procedia Engineering
Volume	87
DOIs	https://doi.org/10.1016/j.proeng.2014.11.595
Publication status	Published - 2014
Externally published	Yes
Event	28th European Conference on Solid-State Transducers, EUROSENSORS 2014 - Brescia, Italy Duration: 7 Sept 2014 → 10 Sept 2014 http://www.sciencedirect.com/science/journal/18777058/87

Bibliographical note

Publication details (e.g. title, author(s), publication statuses and dates) are captured on an “AS IS” and “AS AVAILABLE” basis at the time of record harvesting from the data source. Suggestions for further amendments or supplementary information can be sent to [email protected].

Research Keywords

Evanescence wave
Near-field optics
Optofluidics
Transformation optics

Publisher's Copyright Statement

This full text is made available under CC-BY-NC-ND 3.0. https://creativecommons.org/licenses/by-nc-nd/3.0/

Access Output

10.1016/j.proeng.2014.11.595Licence: CC BY-NC-ND

96553345Final Published version, 633 KBLicence: CC BY-NC-ND

Other Access Options

Check CityUHK Library

Permanent Link

Right click to copy link

Cite this

@article{5f0ef34bf7bd431dab48bed95e6ec388,

title = "Distinctive optofluidic parallel waveguides",

abstract = "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.",

keywords = "Evanescence wave, Near-field optics, Optofluidics, Transformation optics",

author = "Chin, \{L. K.\} and Y. Yang and L. Lei and Liu, \{A. Q.\}",

note = "Publication details (e.g. title, author(s), publication statuses and dates) are captured on an “AS IS” and “AS AVAILABLE” basis at the time of record harvesting from the data source. Suggestions for further amendments or supplementary information can be sent to [email protected].; 28th European Conference on Solid-State Transducers, EUROSENSORS 2014 ; Conference date: 07-09-2014 Through 10-09-2014",

year = "2014",

doi = "10.1016/j.proeng.2014.11.595",

language = "English",

volume = "87",

pages = "1549--1552",

journal = "Procedia Engineering",

issn = "1877-7058",

publisher = "Elsevier B.V.",

url = "http://www.sciencedirect.com/science/journal/18777058/87",

}

TY - JOUR

T1 - Distinctive optofluidic parallel waveguides

AU - Chin, L. K.

AU - Yang, Y.

AU - Lei, L.

AU - Liu, A. Q.

N1 - Publication details (e.g. title, author(s), publication statuses and dates) are captured on an “AS IS” and “AS AVAILABLE” basis at the time of record harvesting from the data source. Suggestions for further amendments or supplementary information can be sent to [email protected].

PY - 2014

Y1 - 2014

N2 - 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.

AB - 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.

KW - Evanescence wave

KW - Near-field optics

KW - Optofluidics

KW - Transformation optics

UR - https://www.scopus.com/pages/publications/84923372427

UR - https://www.scopus.com/record/pubmetrics.uri?eid=2-s2.0-84923372427&origin=recordpage

U2 - 10.1016/j.proeng.2014.11.595

DO - 10.1016/j.proeng.2014.11.595

M3 - RGC 21 - Publication in refereed journal

SN - 1877-7058

VL - 87

SP - 1549

EP - 1552

JO - Procedia Engineering

JF - Procedia Engineering

T2 - 28th European Conference on Solid-State Transducers, EUROSENSORS 2014

Y2 - 7 September 2014 through 10 September 2014

ER -

Distinctive optofluidic parallel waveguides

Abstract

Bibliographical note

Research Keywords

Publisher's Copyright Statement

Access Output

Other Access Options

Permanent Link

Other Files and Links

Fingerprint

Cite this