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光子晶体光纤上周期性表面波纹长周期光栅的研究

Investigation on Periodically Surface-Corrugated Long-Period Gratings Inscribed on Photonic Crystal Fibers.

作者信息

Han Young-Geun

机构信息

Department of Physics and the Research Institute for Research Institute for Natural Sciences, Hanyang University, 222 Wangsimni-ro, Seongdong-gu, Seoul, 133-791, South Korea.

出版信息

Nanoscale Res Lett. 2017 Dec;12(1):245. doi: 10.1186/s11671-017-1968-1. Epub 2017 Apr 4.

DOI:10.1186/s11671-017-1968-1
PMID:28381069
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC5380568/
Abstract

Transmission characteristics of periodically surface-corrugated long-period gratings (LPGs) inscribed on photonic crystal fibers (PCFs) using a wet-etching technique were experimentally investigated. A conventional wet method was implemented to periodically engrave the silica cladding region of the PCFs resulting in the periodic surface corrugation in the PCF. After applying the external strain to the PCF with the periodic surface micro-ridges, periodic modulation of refractive index based on the photoelastic effect is induced resulting in the formation of the PCF-based LPG. Increasing the applied strain successfully improves the extinction ratio of the resonant peak of the PCF-based LPG without the resonant wavelength shift. We also measured the transmission characteristics of the PCF-based LPG with variations in temperature and ambient index.

摘要

对采用湿蚀刻技术写入光子晶体光纤（PCF）的周期性表面波纹长周期光栅（LPG）的传输特性进行了实验研究。采用传统的湿法对PCF的二氧化硅包层区域进行周期性刻蚀，从而在PCF中形成周期性表面波纹。在对具有周期性表面微脊的PCF施加外部应变后，基于光弹效应会引起折射率的周期性调制，从而形成基于PCF的LPG。增加施加的应变成功提高了基于PCF的LPG谐振峰的消光比，而谐振波长没有偏移。我们还测量了基于PCF的LPG在温度和环境折射率变化时的传输特性。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/8273/5380568/81ca7224bb70/11671_2017_1968_Fig6_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/8273/5380568/c2bc65b46888/11671_2017_1968_Fig1_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/8273/5380568/84028e1ece6e/11671_2017_1968_Fig2_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/8273/5380568/1fa0b4ca39d3/11671_2017_1968_Fig3_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/8273/5380568/5b242fd26a1c/11671_2017_1968_Fig4_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/8273/5380568/4aa5005a3071/11671_2017_1968_Fig5_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/8273/5380568/81ca7224bb70/11671_2017_1968_Fig6_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/8273/5380568/c2bc65b46888/11671_2017_1968_Fig1_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/8273/5380568/84028e1ece6e/11671_2017_1968_Fig2_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/8273/5380568/1fa0b4ca39d3/11671_2017_1968_Fig3_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/8273/5380568/5b242fd26a1c/11671_2017_1968_Fig4_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/8273/5380568/4aa5005a3071/11671_2017_1968_Fig5_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/8273/5380568/81ca7224bb70/11671_2017_1968_Fig6_HTML.jpg

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本文引用的文献

1
Fabrication of micro-ridge long-period gratings inscribed on polarization-maintaining fibers.微脊长周期光纤光栅的制作。
Nanoscale Res Lett. 2014 Jan 20;9(1):39. doi: 10.1186/1556-276X-9-39.
2
Long-period gratings inscribed in photonic crystal fiber by symmetric CO2 laser irradiation.通过对称二氧化碳激光辐照写入光子晶体光纤的长周期光栅。
Opt Express. 2013 Jun 3;21(11):13208-18. doi: 10.1364/OE.21.013208.
3
Long-period gratings in photonic crystal fiber as an optofluidic label-free biosensor.光子晶体光纤中的长周期光栅作为一种光流控无标记生物传感器。
Biosens Bioelectron. 2011 Aug 15;26(12):4774-8. doi: 10.1016/j.bios.2011.05.048. Epub 2011 Jun 6.
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Photonic crystal fiber long-period gratings for biochemical sensing.用于生化传感的光子晶体光纤长周期光栅
Opt Express. 2006 Sep 4;14(18):8224-31. doi: 10.1364/oe.14.008224.
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Simultaneous measurement of temperature and strain using dual long-period fiber gratings with controlled temperature and strain sensitivities.使用具有可控温度和应变灵敏度的双长周期光纤光栅同时测量温度和应变。
Opt Express. 2003 Mar 10;11(5):476-81. doi: 10.1364/oe.11.000476.
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Photonic crystal fibres.光子晶体光纤
Nature. 2003 Aug 14;424(6950):847-51. doi: 10.1038/nature01940.