Flexible corner cube retroreflector array for temperature and strain sensing
File(s)
Author(s)
Khalid, MW
Ahmed, R
Yetisen, AK
Butt, H
Type
Journal Article
Abstract
Optical sensors for detecting temperature and strain play a crucial role in the analysis of environmental conditions and real-time remote sensing. However, the development of a single optical device that can sense temperature and strain simultaneously remains a challenge. Here, a flexible corner cube retroreflector (CCR) array based on passive dual optical sensing (temperature and strain) is demonstrated. A mechanical embossing process was utilised to replicate a three-dimensional (3D) CCR array in a soft flexible polymer film. The fabricated flexible CCR array samples were experimentally characterised through reflection measurements followed by computational modelling. As fabricated samples were illuminated with a monochromatic laser beam (635, 532, and 450 nm), a triangular shape reflection was obtained at the far-field. The fabricated flexible CCR array samples tuned retroreflected light based on external stimuli (temperature and strain as an applied force). For strain and temperature sensing, an applied force and temperature, in the form of weight suspension, and heat flow was applied to alter the replicated CCR surface structure, which in turn changed its optical response. Directional reflection from the heated flexible CCR array surface was also measured with tilt angle variation (max. up to 10°). Soft polymer CCRs may have potential in remote sensing applications, including measuring the temperature in space and in nuclear power stations.
Date Issued
2018-02-16
Online Publication Date
2022-05-18T14:11:58Z
Date Acceptance
2018-02-13
ISSN
2046-2069
Publisher
Royal Society of Chemistry
Start Page
7588
End Page
7598
Journal / Book Title
RSC Advances: an international journal to further the chemical sciences
Volume
8
Issue
14
Copyright Statement
Open Access Article. Published on 16 February 2018. This article is licensed under a Creative Commons Attribution 3.0 Unported Licence
License URI
Identifier
https://pubs.rsc.org/en/content/articlelanding/2018/RA/C7RA13284K
http://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcApp=PARTNER_APP&SrcAuth=LinksAMR&KeyUT=WOS:000425647000032&DestLinkType=FullRecord&DestApp=ALL_WOS&UsrCustomerID=1ba7043ffcc86c417c072aa74d649202
Subjects
Science & Technology
Physical Sciences
Chemistry, Multidisciplinary
Chemistry
OPTICAL-PHASE CONJUGATION
FABRICATION
DESIGN
SKIN
Science & Technology
Physical Sciences
Chemistry, Multidisciplinary
Chemistry
OPTICAL-PHASE CONJUGATION
FABRICATION
DESIGN
SKIN
03 Chemical Sciences
Publication Status
Published