Hydrogen sulfide gas sensor based on graphene-coated tapered photonic crystal fiber interferometer

Abstract A hydrogen sulfide gas sensor based on graphene-coated tapered photonic crystal fiber (GTPCF) Mach-Zehnder interferometer (MZI) was proposed and experimentally demonstrated. The GTPCF-MZI is formed by fusion splicing a short length of tapered PCF between two single-mode fibers. The air holes of PCF in the splicing regions are fully collapsed and so that it is conducive to the mode coupling. The GTPCF-MZI was coated with a layer of graphene by using a dip-coating and sintering process. Experimental results show that with the increasing concentration of hydrogen sulfide, the interference spectra appear blue shift. In addition, a high sensitivity of 0.03143 nm/ppm and a good linear relationship are obtained within a measurement range from 0 to 45 ppm. The sensor has the advantages of simple structure, high sensitivity, easy manufacture and low cost, and can be used in indoor gas sensing fields such as factories and laboratories and so on.

[1]  Yang Yang,et al.  Refractive index sensing based on photonic crystal fiber interferometer structure with up-tapered joints , 2015 .

[2]  Rajan Jha,et al.  Photonic crystal fiber interferometer for chemical vapor detection with high sensitivity. , 2009, Optics express.

[3]  Gonçal Badenes,et al.  Microstructured optical fiber coated with thin films for gas and chemical sensing. , 2006, Optics express.

[4]  C. C. Chan,et al.  Photonic bandgap fiber for refractive index measurement , 2007 .

[5]  Yinian Zhu,et al.  Grapefruit photonic crystal fiber sensor for gas sensing application , 2016 .

[6]  Zhifang Wu,et al.  Unique characteristics of a selective-filling photonic crystal fiber Sagnac interferometer and its application as high sensitivity sensor. , 2013, Optics express.

[7]  O. Bang,et al.  Highly sensitive refractometer with a photonic-crystal-fiber long-period grating. , 2007, Optics letters.

[8]  M.S. Demokan,et al.  Temperature-insensitive Interferometer using a highly birefringent photonic Crystal fiber loop mirror , 2004, IEEE Photonics Technology Letters.

[9]  J. Jensen,et al.  Photonic crystal fiber long-period gratings for biochemical sensing. , 2006, Optics express.

[10]  Fu-Rong Chen,et al.  Direct formation of wafer scale graphene thin layers on insulating substrates by chemical vapor deposition. , 2011, Nano letters.

[11]  Yinian Zhu,et al.  Long-period gratings in photonic crystal fiber as an optofluidic label-free biosensor. , 2011, Biosensors & bioelectronics.

[12]  High-resolution photonic bandgap fiber-based biochemical sensor. , 2007, Journal of biomedical optics.

[13]  Yonghong Shao,et al.  Phase modulation and structural effects in a D-shaped all-solid photonic crystal fiber surface plasmon resonance sensor. , 2014, Optics express.

[14]  Optimization of photonic bandgap fiber long period grating refractive-index sensors , 2009 .

[15]  Alfred Maier,et al.  Severe hydrogen sulphide poisoning treated with 4-dimethylaminophenol and hyperbaric oxygen. , 2010, Diving and hyperbaric medicine.

[16]  Jin‐Wook Shin,et al.  Flexible and transparent gas molecule sensor integrated with sensing and heating graphene layers. , 2014, Small.

[17]  Jens Kobelke,et al.  Fast response in-line gas sensor using C-type fiber and Ge-doped ring defect photonic crystal fiber. , 2013, Optics express.

[18]  O. Frazao,et al.  Temperature-Independent Strain Sensor Based on a Hi-Bi Photonic Crystal Fiber Loop Mirror , 2007, IEEE Sensors Journal.

[19]  Bong-Ahn Yu,et al.  Highly sensitive strain and bending sensor based on in-line fiber Mach–Zehnder interferometer in solid core large mode area photonic crystal fiber , 2010 .

[20]  Yuliya Semenova,et al.  Effect of coating thickness on the sensitivity of a humidity sensor based on an Agarose coated photonic crystal fiber interferometer. , 2013, Optics express.

[21]  Cai-Hong Liu,et al.  Improving gas sensing properties of graphene by introducing dopants and defects: a first-principles study , 2009, Nanotechnology.

[22]  Ping Shum,et al.  Photonic crystal fibers with high index infiltrations for refractive index sensing , 2008 .

[23]  Numerical analysis of refractive index sensitivity of long-period gratings in photonic crystal fiber , 2008 .

[24]  Yong Zhao,et al.  PCF taper-based Mach-Zehnder interferometer for refractive index sensing in a PDMS detection cell , 2015 .

[25]  J. Kobelke,et al.  A miniature temperature high germanium doped PCF interferometer sensor. , 2013, Optics express.

[26]  James M Tour,et al.  Boron- and nitrogen-doped graphene quantum dots/graphene hybrid nanoplatelets as efficient electrocatalysts for oxygen reduction. , 2014, ACS nano.

[27]  Vittoria Finazzi,et al.  Temperature-insensitive photonic crystal fiber interferometer for absolute strain sensing , 2007 .

[28]  B. Lee,et al.  Dependence of fringe spacing on the grating separation in a long-period fiber grating pair. , 1999, Applied optics.

[29]  Min Xu,et al.  High-Temperature Annealing Behaviors of CO$_{2}$ Laser Pulse-Induced Long-Period Fiber Grating in a Photonic Crystal Fiber , 2010, Journal of Lightwave Technology.

[30]  Yinian Zhu,et al.  Fiber humidity sensors with high sensitivity and selectivity based on interior nanofilm-coated photonic crystal fiber long-period gratings , 2013 .

[31]  Gonçal Badenes,et al.  Highly Sensitive Sensors Based on Photonic Crystal Fiber Modal Interferometers , 2009, J. Sensors.

[32]  Yi Li,et al.  Curvature sensor based on two cascading abrupt-tapers modal interferometer in single mode fiber , 2014 .

[33]  Ole Bang,et al.  Sensitivity of photonic crystal fiber grating sensors: biosensing, refractive index, strain, and temperature sensing , 2007, 0708.4382.

[34]  Chuanyi Tao,et al.  Photonic crystal fiber in-line Mach-Zehnder interferometer for explosive detection. , 2016, Optics express.