Fabrication and characterization of laser-ablated cladding resonances of two different-diameter photosensitive optical fibers
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- 作者：Md. Rajibul IslamaAuthor Vitae ; Dinusha Serandi GunawardenaaAuthor Vitae ; Yen-Sian LeeaAuthor Vitae ; Kok-Sing Lima ; kslim@um.edu.my" class="auth_mail" title="E-mail the corresponding author ; cosine0_84@yahoo.com" class="auth_mail" title="E-mail the corresponding authorAuthor Vitae ; Hang Zhou YangbAuthor Vitae ; Harith AhmadaAuthor Vitae
- 关键词：Laser ablation ; Laser-ablated clad grating ; Cladding resonance ; Refractive index sensing
- 刊名：Sensors and Actuators A: Physical
- 出版年：2016
- 出版时间：1 June 2016
- 年：2016
- 卷：243
- 期：Complete
- 页码：111-116
- 全文大小：1472 K
文摘
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Inscription of grating in both cladding and core of optical fibers is proposed.
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High energy focused pulsed laser from an ArF excimer laser is employed.
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Photosensitization of the fibers is achieved by using high-pressure hydrogenation.
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Optical damage is formed on the fiber surface and is extended towards fiber core.
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Cladding resonances are produced in the output spectra and used for RI sensing.