1
|
Xu Y, Zhang X, Zhu XS, Shi YW. Surface-Enhanced Raman Scattering in Silver-Coated Suspended-Core Fiber. SENSORS (BASEL, SWITZERLAND) 2023; 24:160. [PMID: 38203021 PMCID: PMC10781242 DOI: 10.3390/s24010160] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/15/2023] [Revised: 12/20/2023] [Accepted: 12/25/2023] [Indexed: 01/12/2024]
Abstract
In this paper, the silver-coated large-core suspended-core fiber (LSCF) probe was fabricated by the dynamic chemical liquid phase deposition method for surface-enhanced Raman scattering (SERS) sensing. The 4-mercaptophenylboronic acid (4-MPBA) monolayer was assembled in the LSCF as the recognition monolayer. Taking advantage of the appropriate core size of the LSCF, a custom-made Y-type optical fiber patch cable was utilized to connect the semiconductor laser, Raman spectrometer, and the proposed fiber SERS probe. The SERS signal is propagated in the silver-coated air channels, which can effectively reduce the Raman and fluorescence background of the silica core. Experiments were performed to measure the Raman scattering spectra of the 4-MPBA in the silver-coated LSCF in a non-enhanced and enhanced case. The experiment results showed that the Raman signal strength was enhanced more than 6 times by the surface plasmon resonance compared with the non-enhanced case. The proposed LSCF for SERS sensing technology provides huge research value for the fiber SERS probes in biomedicine and environmental science. The combination of SERS and microstructured optical fibers offers a potential approach for SERS detection.
Collapse
Affiliation(s)
- Yangyang Xu
- School of Information Science and Engineering, Fudan University, 220 Handan Rd, Shanghai 200433, China; (Y.X.); (X.Z.); (Y.-W.S.)
- Yiwu Research Institute of Fudan University, Chengbei Road, Yiwu City 322000, China
| | - Xian Zhang
- School of Information Science and Engineering, Fudan University, 220 Handan Rd, Shanghai 200433, China; (Y.X.); (X.Z.); (Y.-W.S.)
- Yiwu Research Institute of Fudan University, Chengbei Road, Yiwu City 322000, China
| | - Xiao-Song Zhu
- School of Information Science and Engineering, Fudan University, 220 Handan Rd, Shanghai 200433, China; (Y.X.); (X.Z.); (Y.-W.S.)
- Yiwu Research Institute of Fudan University, Chengbei Road, Yiwu City 322000, China
- Key Laboratory for Information Science of Electromagnetic Waves (MoE), Fudan University, 220 Handan Rd, Shanghai 200433, China
| | - Yi-Wei Shi
- School of Information Science and Engineering, Fudan University, 220 Handan Rd, Shanghai 200433, China; (Y.X.); (X.Z.); (Y.-W.S.)
- Key Laboratory for Information Science of Electromagnetic Waves (MoE), Fudan University, 220 Handan Rd, Shanghai 200433, China
| |
Collapse
|
2
|
Recent advances in photonic crystal-based sensors. Coord Chem Rev 2023. [DOI: 10.1016/j.ccr.2022.214909] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
|
3
|
Zhang X, Xu Y, Zhu XS, Shi YW. Surface plasmon resonance temperature sensor with tunable detection range based on a silver-coated multi-hole optical fiber. OPTICS EXPRESS 2022; 30:48091-48102. [PMID: 36558723 DOI: 10.1364/oe.478355] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/20/2022] [Accepted: 12/05/2022] [Indexed: 06/17/2023]
Abstract
A novel surface plasmon resonance (SPR) temperature sensor based on a silver-coated multi-hole optical fiber (SMHOF) is presented. The central and surrounding air holes of the SMHOF are filled with two kinds of thermosensitive liquid with high and low refractive index (RI), respectively. Two separated resonance dips, which are related to the high and low RI filled liquid respectively, are observed at different wavelength in the transmission spectrum. Advantageously, the two dips move towards opposite direction with the temperature variation. The interval between the two SPR dips is measured under different environmental temperature and exhibits a good linearity. The proposed sensor with different detection range is fabricated by changing the RIs of the filled thermosensitive liquids. The temperature sensitivity of 7.72 nm/°C and -7.81 nm/°C is obtained in the range of 20-60 °C and -20-20 °C, respectively. Owing to the high temperature sensitivity and tunable detection range, the proposed sensor is expected to find potential applications in biomedicine, health care and environmental monitoring.
Collapse
|
4
|
Wang D, Yi Z, Ma G, Dai B, Yang J, Zhang J, Yu Y, Liu C, Wu X, Bian Q. Two-channel photonic crystal fiber based on surface plasmon resonance for magnetic field and temperature dual-parameter sensing. Phys Chem Chem Phys 2022; 24:21233-21241. [PMID: 36040374 DOI: 10.1039/d2cp02778j] [Citation(s) in RCA: 26] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
In this paper, a dual-parameter sensor based on surface plasmon resonance (SPR)-photonic crystal fiber (PCF) is proposed, which can be applied in detecting the magnetic field and temperature. In this sensor, two elliptical channels are designed on both sides of the fiber core. The left channel (Ch 1) is coated with gold film and filled with magnetic fluid (MF) to achieve a response to the magnetic field and temperature using SPR. The right channel (Ch 2) is coated with gold film as well as Ta2O5 film to improve the SPR sensing performance. Finally, Ch 2 is filled with polydimethylsiloxane (PDMS) to achieve a response to the temperature. The mode characteristics, structural parameters and sensing performance are investigated by the finite element method. The results show that when the magnetic field is in the range of 50-130 Oe, the magnetic field sensitivities of Ch 1 and Ch 2 are 65 pm Oe-1 and 0 pm Oe-1, respectively. When the temperature is in the range of 17.5-27.5 °C, the temperature sensitivities of Ch 1 and Ch 2 are 520 pm °C-1 and 2360 pm °C-1, respectively. By establishing and demodulating a sensing matrix, the sensor can not only measure the temperature and magnetic field simultaneously but also solve the temperature cross-sensitivity problem. In addition, when the temperature exceeds a certain value, the proposed sensor is expected to achieve dual-parameter sensing without a matrix. The proposed dual-parameter SPR-PCF sensor has a unique structure and excellent sensing performance, which are important for the simultaneous sensing of multiple basic physical parameters.
Collapse
Affiliation(s)
- Dongying Wang
- Joint Laboratory for Extreme Conditions Matter Properties, Key Laboratory of Manufacturing Process Testing Technology of Ministry of Education, State Key Laboratory of Environment-Friendly Energy Materials, Southwest University of Science and Technology, Mianyang 621010, China.
| | - Zao Yi
- Joint Laboratory for Extreme Conditions Matter Properties, Key Laboratory of Manufacturing Process Testing Technology of Ministry of Education, State Key Laboratory of Environment-Friendly Energy Materials, Southwest University of Science and Technology, Mianyang 621010, China.
| | - Guolu Ma
- Joint Laboratory for Extreme Conditions Matter Properties, Key Laboratory of Manufacturing Process Testing Technology of Ministry of Education, State Key Laboratory of Environment-Friendly Energy Materials, Southwest University of Science and Technology, Mianyang 621010, China.
| | - Bo Dai
- Joint Laboratory for Extreme Conditions Matter Properties, Key Laboratory of Manufacturing Process Testing Technology of Ministry of Education, State Key Laboratory of Environment-Friendly Energy Materials, Southwest University of Science and Technology, Mianyang 621010, China.
| | - Junbo Yang
- College of Liberal Arts and Sciences, Hunan Provincial Key Laboratory of Novel Nano-Optoelectronic Information Materials and Devices, National University of Defense Technology, Changsha 410073, China.
| | - Jianfa Zhang
- College of Liberal Arts and Sciences, Hunan Provincial Key Laboratory of Novel Nano-Optoelectronic Information Materials and Devices, National University of Defense Technology, Changsha 410073, China.
| | - Yang Yu
- College of Liberal Arts and Sciences, Hunan Provincial Key Laboratory of Novel Nano-Optoelectronic Information Materials and Devices, National University of Defense Technology, Changsha 410073, China. .,State Key Laboratory of Transducer Technology, Shanghai Institute of Microsystem And Information Technology, Chinese Academy of Sciences, Shanghai, 200050, China
| | - Chao Liu
- School of Physics and Electronics Engineering, Northeast Petroleum University, Daqing 163318, China
| | - Xianwen Wu
- School of Chemistry and Chemical Engineering, Jishou University, Jishou 416000, China
| | - Qiang Bian
- Institute for Measurement and Sensor Technology, Technical University of Munich, Munich 80333, Germany
| |
Collapse
|
5
|
Ma Y, Jiang B, Guo Y, Zhang P, Cheng T, Gan X, Zhao J. Suspended-core fiber with embedded GaSe nanosheets for second harmonic generation. OPTICS EXPRESS 2022; 30:32438-32446. [PMID: 36242305 DOI: 10.1364/oe.465248] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/29/2022] [Accepted: 08/05/2022] [Indexed: 06/16/2023]
Abstract
We report an all-fiber scheme for the second harmonic generation (SHG) by embedding gallium selenide (GaSe) nanosheets into a suspended-core fiber (SCF). Based on modes analysis and theoretical calculations, the phase-matching modes from multiple optional modes in the SHG process and the optimal SCF length are determined by calculating the effective refractive index and balancing the SHG growth and transmission loss. Due to the long-distance interaction between pumped fundamental mode and GaSe nanosheets around the suspended core, an SHG signal is observed under a milliwatt-level pump light, and exhibits a quadratic growth with the increased pump power. The SHG process is also realized in a broad wavelength range by varying the pump in the range of 1420∼1700 nm. The SCF with the large air cladding and suspended core as an excellent platform can therefore be employed to integrate low-dimensional nonlinear materials, which holds great promise for the applications of all-fiber structures in new light source generating, signal processing and fiber sensing.
Collapse
|
6
|
Kang C, Sun Z, Fang X, Zha L, Han Y, Liu H, Guo J, Zhang X. Molecular trace detection in liquids using refocusing optical feedback by a silver-coated capillary. NANOSCALE ADVANCES 2021; 3:6934-6939. [PMID: 36132359 PMCID: PMC9418034 DOI: 10.1039/d1na00593f] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/28/2021] [Accepted: 10/05/2021] [Indexed: 06/15/2023]
Abstract
Surface-enhanced Raman scattering (SERS) has been widely used owing to its high sensitivity and rapid response. In particular, 3D SERS-active platforms greatly extend the interaction area and ensure the ability to directly detect trace amounts of molecules in liquids. A silver-coated capillary, with the ability of liquid sampling and light guiding, provides a new platform for high-performance SERS substrates. In this paper, the silver mirror reaction was used for coating silver on the outer wall of the capillary. PDMS was used as a coating material to protect the silver film. Because of the silver coating, Mie scattering and Raman scattering in the liquid channel can be refocused and reflected back which greatly reduces the propagation loss and extends the interaction length. An enhancement factor as high as 108 and a detection limit of 10-10 M of rhodamine 6G in aqueous solution have been achieved. Moreover, the SERS intensity is homogeneous across the end face of the liquid channel, with the relative standard deviation (RSD) value changing within 7%. The large area and high homogeneity greatly reduce the requirement of light coupling precision and liquid injection pressure. Using a common flange optical fiber connector, the capillary can be simply connected and aligned with a multimode fiber with a detection limit of 10-8 M. The experiment results show great potential for the development of an optofluidic integrated system in the future.
Collapse
Affiliation(s)
- Chen Kang
- Institute of Information Photonics Technology, Faculty of Science, Beijing University of Technology Beijing 100124 China
| | - Zhoutao Sun
- Institute of Information Photonics Technology, Faculty of Science, Beijing University of Technology Beijing 100124 China
| | - Xiaohui Fang
- Institute of Information Photonics Technology, Faculty of Science, Beijing University of Technology Beijing 100124 China
| | - Lei Zha
- Institute of Information Photonics Technology, Faculty of Science, Beijing University of Technology Beijing 100124 China
| | - Yu Han
- Institute of Information Photonics Technology, Faculty of Science, Beijing University of Technology Beijing 100124 China
| | - Hongmei Liu
- Institute of Information Photonics Technology, Faculty of Science, Beijing University of Technology Beijing 100124 China
| | - Jinxin Guo
- Institute of Information Photonics Technology, Faculty of Science, Beijing University of Technology Beijing 100124 China
| | - Xinping Zhang
- Institute of Information Photonics Technology, Faculty of Science, Beijing University of Technology Beijing 100124 China
| |
Collapse
|
7
|
Zhang X, Wang C, Yu R, Xiao L, Zhu XS, Shi YW. Fiber polarizer based on selectively silver-coated large-core suspended-core fiber. OPTICS LETTERS 2021; 46:2429-2432. [PMID: 33988601 DOI: 10.1364/ol.428087] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/16/2021] [Accepted: 04/26/2021] [Indexed: 06/12/2023]
Abstract
A tunable fiber polarizer based on the selectively silver-coated large-core suspended-core fiber (LSCF) was proposed. A thin silver layer was coated on the inner surface of two opposite air holes of the LSCF by the chemical liquid-phase deposition method. The $y$-polarized light (parallel to the two silver-coated air holes) will excite surface plasmon resonance and experience large transmission loss, while the $x$-polarized light does not, resulting in a fiber polarizer. By varying the liquid filled in the microchannels of the LSCF, the operating wavelength can be tuned in the visible and near infrared region along with the surface plasmon resonance wavelength. The dependence of the polarization characteristics on the fiber length was experimentally investigated. The maximum polarization extinction ratio (PER) of 20.1 dB, 19.6 dB, and 18.3 dB and insertion loss (IL) of 2.24 dB, 2.56 dB, and 2.08 dB are achieved with the optimal fiber length of 16 cm at the operating wavelengths of 565.4 nm, 626.7 nm, and 739.7 nm, respectively. Compared with the multimode fiber-based polarizers reported previously, the proposed selectively silver-coated LSCF polarizer exhibits higher PER and lower IL.
Collapse
|
8
|
Zhang D, Yang S, Zhang XY, Ma N, Han B, Zhao W, Chi S, Liu Y, Yang J, Chen L. Damping resonance and refractive index effect on the layer-by-layer sputtering of Ag and Al 2O 3 on the polystyrene template. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2020; 238:118430. [PMID: 32438291 DOI: 10.1016/j.saa.2020.118430] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/03/2020] [Revised: 04/22/2020] [Accepted: 04/27/2020] [Indexed: 06/11/2023]
Abstract
In this study, an ordered metal oxide-metal composite system was designed. By changing the thickness of film of Ag/Al2O3 nanoparticles (NPs), the red and blue shifts of local surface plasma resonance (LSPR) were realized in the proposed system and discussed by damping resonance theory and Mie's scattering theory to demonstrating the relationship between wavelength (λ) and particle diameter (D). With the increasing of sputtering time of Ag, the SPR of Ag was red shifted under the influence of damped vibration, obtaining that square of wavelength (λ2) is proportional to D. The surface plasma resonance (SPR) of Ag/Al2O3 showed an obvious blue shift, and then red shift suddenly, which is affected by the competition between damping resonance and refractive index. When the blue shift occurs, the change of wavelength (∆λ) is exponentially related to the diameter (D). The modulation of LSPR of the proposed composite nano-metal materials will have a potential application in SPR sensor and surface enhanced Raman scattering (SERS).
Collapse
Affiliation(s)
- Daxin Zhang
- Changchun Institute of Optics, Fine Mechanics and Physics, Chinese Academy of Sciences, Changchun 130033, PR China; University of Chinese Academy of Sciences, Beijing 100049, PR China
| | - Shuo Yang
- Changchun Institute of Optics, Fine Mechanics and Physics, Chinese Academy of Sciences, Changchun 130033, PR China; University of Chinese Academy of Sciences, Beijing 100049, PR China
| | - Xin-Yuan Zhang
- Changchun Institute of Optics, Fine Mechanics and Physics, Chinese Academy of Sciences, Changchun 130033, PR China; University of Chinese Academy of Sciences, Beijing 100049, PR China
| | - Ning Ma
- Key Laboratory of Functional Materials Physics and Chemistry of the Ministry of Education, Jilin Normal University, Changchun 130103, PR China
| | - Bingbing Han
- Key Laboratory of Functional Materials Physics and Chemistry of the Ministry of Education, Jilin Normal University, Changchun 130103, PR China
| | - Wenshi Zhao
- Changchun Institute of Optics, Fine Mechanics and Physics, Chinese Academy of Sciences, Changchun 130033, PR China; University of Chinese Academy of Sciences, Beijing 100049, PR China
| | - Shaohua Chi
- Changchun Institute of Optics, Fine Mechanics and Physics, Chinese Academy of Sciences, Changchun 130033, PR China; University of Chinese Academy of Sciences, Beijing 100049, PR China
| | - Yang Liu
- Key Laboratory of Functional Materials Physics and Chemistry of the Ministry of Education, Jilin Normal University, Changchun 130103, PR China
| | - Jinghai Yang
- Key Laboratory of Functional Materials Physics and Chemistry of the Ministry of Education, Jilin Normal University, Changchun 130103, PR China.
| | - Lei Chen
- Key Laboratory of Functional Materials Physics and Chemistry of the Ministry of Education, Jilin Normal University, Changchun 130103, PR China.
| |
Collapse
|
9
|
Wang Y, Zhou Y, Liu Z, Chen D, Lu C, Tam HY. Sensitive Mach-Zehnder interferometric sensor based on a grapefruit microstructured fiber by lateral offset splicing. OPTICS EXPRESS 2020; 28:26564-26571. [PMID: 32906928 DOI: 10.1364/oe.402584] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/17/2020] [Accepted: 08/16/2020] [Indexed: 06/11/2023]
Abstract
A novel inline Mach-Zehnder interferometric (MZI) sensor based on a homemade grapefruit microstructured fiber (GMF) was proposed and experimentally demonstrated. The sensing unit consists of a short segment of a GMF sandwiched between two single mode fibers using lateral offset splicing. The fabrication of the GMF and the GMF-based MZI sensor was introduced. Mode analysis of the GMF and theoretical simulation of the proposed MZI sensor were investigated and matched well with experimental results. The sensing performance of the MZI sensor for temperature and strain was tested. The strain and temperature sensitivity are 1.97pm/μɛ and 37pm/°C, respectively. The compact size, low cost and high sensitivity makes the MZI sensor a good candidate for sensing application.
Collapse
|
10
|
Haider F, Ahmmed Aoni R, Ahmed R, Amouzad Mahdiraji G, Fahmi Azman M, Adikan FRM. Mode-multiplex plasmonic sensor for multi-analyte detection. OPTICS LETTERS 2020; 45:3945-3948. [PMID: 32667324 DOI: 10.1364/ol.396340] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/28/2020] [Accepted: 06/08/2020] [Indexed: 06/11/2023]
Abstract
Highly sensitive mode-multiplex miniaturized sensors enable the detection and quantification of multiple biomolecules simultaneously through their real-time interactions. Here, we demonstrate a grapefruit photonic crystal fiber (PCF)-based mode-multiplex surface plasmon resonance (SPR) sensor that detects multiple analytes simultaneously. Three grapefruit-shaped air-holes are internally coated with plasmonic gold (Au) material, which allows them to act as mode-multiplex channels that detect three unknown analytes. The sensor performance was investigated using the finite element method (FEM), and the optimized fiber structure was fabricated with the standard stack-and-draw method. For the y-polarized mode, channels one and three showed the maximum wavelength sensitivities of 2000 and 18,000 nm/RIU (refractive index unit) at the analyte refractive indices of 1.34 and 1.41, respectively. On the other hand, channel two showed the maximum wavelength sensitivity of 3000 nm/RIU at the analyte refractive index (RI) of 1.36 for the x-polarized mode. To the best of our knowledge, this is the first demonstration of a mode-multiplex grapefruit PCF-based SPR sensor to simultaneously detect and quantify three different analytes. We anticipate that the proposed sensor will find potential applications in the detection of real-time biomolecular interactions and binding affinity.
Collapse
|
11
|
Bandyopadhyay S, Shao LY, Chao W, Yan Z, Hong F, Wang G, Jiang J, Shum P, Hong X, Wang W. Highly efficient free-space fiber coupler with 45° tilted fiber grating to access remotely placed optical fiber sensors. OPTICS EXPRESS 2020; 28:16569-16578. [PMID: 32549476 DOI: 10.1364/oe.392170] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/06/2020] [Accepted: 05/04/2020] [Indexed: 06/11/2023]
Abstract
In this work, a 45° tilted fiber grating (TFG) is used as a waveguide coupler for the development of a portable interrogation system to access remotely placed optical fiber sensors. The TFG is directly connected to a remote fiber sensor and serves as a highly efficient light coupler between the portable interrogation unit and the sensor. Variation of strain and temperatures are measured with a standard fiber Bragg grating (FBG) sensor, which serves as a remotely placed optical sensor. A light beam from the interrogation unit is coupled into the TFG by a system of lenses, mirrors and optical collimator and acted as the input of the FBG. Reflected light from the FBG sensor is coupled back to the interrogation unit via the same TFG. The TFG is being used as a receiver and transmitter of light and constituent the key part of the system to connect "light source to the optical sensor" and "optical sensor to detector." A successful demonstration of the developed system for strain and temperature sensing applications have been presented and discussed. Signal to noise ratio of the reflected light from the sensors was greater than ∼ 40 dB.
Collapse
|