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 High Sensitive Methane Sensor With Temperature Compensation Based on Selectively Liquid-Infiltrated Photonic Crystal Fibers

Hai LIU Haoran WANG Wen ZHANG Cancan CHEN Qing WANG Yi DING Shoufeng TANG

[摘要]

 PDF全文Photonic Sensors | 2019, 9(03):213

 CO and CO2 dual-gas detection based on mid-infraredwideband absorption spectroscopy

DONG Ming ZHONG Guo-qiang MIAO Shu-zhuo ZHENG Chuan-tao WANG Yi-ding

[摘要]

 PDF全文Optoelectronics Letters | 2018, 14(02):119

 Development of a portable mid-infrared methane detection device

LIU Hui-fang HE Qi-xin ZHENG Chuan-tao WANG Yi-ding

[摘要]Based on direct absorption spectroscopy (DAS), a portable methane (CH4) detection device was implemented. The device mainly includes a dual-channel non-dispersive infrared sensor (integrated with an i...

 PDF全文Optoelectronics Letters | 2017, 13(02):100

 Design and fabrication of a mid-infrared carbon dioxide sensor for the application in greenhouse environment

WANG Jia-ning ZHENG Ling-jiao NIU Xin-tao ZHENG Chuan-tao WANG Yi-ding

[摘要]A mid-infrared carbon dioxide (CO2) sensor is presented for the application in greenhouse environment. An integrated multi-pass gas chamber and a dual-channel differential detection method are adopted...

 PDF全文Optoelectronics Letters | 2016, 12(05):379

 Non-blocking four-port optical router based on thermooptic silicon microrings

DANG Pei-pei LI Cui-ting ZHENG Wen-xue ZHENG Chuan-tao WANG Yi-ding

[摘要]By using silicon-on-insulator (SOI) platform, 12 channel waveguides, and four parallel-coupling one-microring resonator routing elements, a non-blocking four-port optical router is proposed. Structure...

 PDF全文Optoelectronics Letters | 2016, 12(04):268

 A near-infrared methane detection system using a 1.654 μm wavelength-modulated diode laser

FU Yang LIU Hui-fang SUI Yue LI Bin YE Wei-lin ZHENG Chuan-tao WANG Yi-ding

[摘要]By adopting a distributed feedback laser (DFBL) centered at 1.654 μm, a near-infrared (NIR) methane (CH4) detection system based on tunable diode laser absorption spectroscopy (TDLAS) is experimental...

 PDF全文Optoelectronics Letters | 2016, 12(02):140

 The influence of the characteristics of a collection of particles on the scattered spectral density and its applications

Tao Wang Yi Ding Xiaoling Ji Daomu Zhao

[摘要]

 PDF全文Chinese Optics Letters | 2015, 13(10):102901

 Mid-infrared carbon monoxide detection system using differential absorption spectroscopy technique

DONG Ming SUI Yue LI Guo-lin ZHENG Chuan-tao CHEN Mei-mei WANG Yi-ding

[摘要]A differential carbon monoxide (CO) concentration sensing device using a self-fabricated spherical mirror (e.g. light-collector) and a multi-pass gas-chamber is presented in this paper. Single-source ...

 PDF全文Optoelectronics Letters | 2015, 11(06):469

 A mid-infrared methane detection device based on dualchannel lock-in amplifier

ZHENG Ling-jiao ZHENG Kai-yuan ZHENG Chuan-tao ZHENG Yue CHEN Mei-mei WANG Yi-ding

[摘要]A portable dual-channel digital/analogue hybrid lock-in amplifier (LIA) is developed, and its amplitude detection error is less than 10% when the signal-to-noise ratio (SNR) is larger than -12 dB. The...

 PDF全文Optoelectronics Letters | 2015, 11(04):298

 Wavelet-denoising technique in near-infrared methane detection based on tunable diode laser absorption spectroscopy

GAO Zong-li YE Wei-lin ZHENG Chuan-tao WANG Yi-ding

[摘要]A novel wavelet denoising (WD) assisted wavelength modulation technique is proposed for improving near-infrared detection performance on methane concentration based on tunable diode laser absorption s...

 PDF全文Optoelectronics Letters | 2014, 10(04):299

 An ultra-compact cross/bar optical routing switch using two polymer electro-optic microrings

SONG Qiang ZHENG Chuan-tao LIANG Lei LUO Qian-qian MA Chun-sheng ZHANG Da-ming WANG Yi-ding

[摘要]A 2×2 cross/bar polymer electro-optic (EO) routing switch is proposed, which is composed of two passive channel waveguides and two active EO polymer microrings with bending radius of only 13.76 μ...

 PDF全文Optoelectronics Letters | 2013, 9(05):337

 Absorption Line Profile Recovery Based on TDLS and MEMS Micro-Mirror for Photoacoustic Gas Sensing

LI Li Norhana Arsad George Stewart Graham Thursby Deepak Uttamchandani Brian Culshaw WANG Yi-ding

[摘要]

 PDF全文光谱学与光谱分析 | 2011, 31(07):1814-1818

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