Zobrazeno 1 - 10
of 69
pro vyhledávání: '"Chaotan Sima"'
Autor:
Qingping Hu, Yan Ai, Chaotan Sima, Yu Sun, Zhiyu Feng, Tailin Li, Chen Tong, Xiaohong Cao, Wenzhe Wang, Runze Fan, Yufeng Pan, Ping Lu
Publikováno v:
Photonics, Vol 11, Iss 7, p 590 (2024)
A high-precision low-cost mid-infrared photoacoustic sensor for greenhouse composite gases based on aspherical beam shaping is proposed and demonstrated. The assembled optical source module and luminous characteristics of infrared source are innovati
Externí odkaz:
https://doaj.org/article/c68cf2ae64be483ea83f59337442d3ba
Autor:
Lujun Fu, Ping Lu, Yufeng Pan, Yi Zhong, Chaotan Sima, Qiang Wu, Jiangshan Zhang, Lingzhi Cui, Deming Liu
Publikováno v:
Photoacoustics, Vol 34, Iss , Pp 100571- (2023)
An all-optical non-resonant photoacoustic spectroscopy system for multicomponent gas detection based on a silicon cantilever optical microphone (SCOM) and an aseismic photoacoustic cell is proposed and demonstrated. The SCOM has a high sensitivity of
Externí odkaz:
https://doaj.org/article/a2989108e1574a169fe58d02e28ad318
Autor:
Yufeng Pan, Ping Lu, Lin Cheng, Zhenyu Li, Dongchao Liu, Jinbiao Zhao, Yuxuan Wang, Lujun Fu, Chaotan Sima, Deming Liu
Publikováno v:
Photoacoustics, Vol 34, Iss , Pp 100573- (2023)
A proof-of-concept gas sensor based on a miniaturized and integrated fiber-optic photoacoustic detection module was introduced and demonstrated for the purpose of developing a custom tuning-fork (TF)-enhanced photoacoustic gas sensor. Instead of piez
Externí odkaz:
https://doaj.org/article/1e450a2d06c14678936c3afc99e4ce28
Publikováno v:
Photoacoustics, Vol 32, Iss , Pp 100526- (2023)
In this paper, we propose and experimentally demonstrate a symmetric multi-resonant cavity photoacoustic cell (MR-PAC) with dual microphones detection, based on multi-resonator photoacoustic spectroscopy (MR-PAS). The designed photoacoustic cell cont
Externí odkaz:
https://doaj.org/article/3e60f40b07884726ac2eecfc8c7fc16c
Publikováno v:
APL Photonics, Vol 8, Iss 4, Pp 046112-046112-9 (2023)
On-chip polarizers are the essential components for polarization management in integrated systems. Hence, polarizers with broad operation bandwidth (BW), low insert loss (IL), and high polarization extinction ratio (PER) are highly desired. A broadba
Externí odkaz:
https://doaj.org/article/738823e74fa54acda55f4f50cc5339c4
Autor:
Lujun Fu, Ping Lu, Chaotan Sima, Jinbiao Zhao, Yufeng Pan, Tailin Li, Xiaohang Zhang, Deming Liu
Publikováno v:
Photoacoustics, Vol 27, Iss , Pp 100382- (2022)
A small-volume highly-sensitive photoacoustic spectroscopy (PAS) methane detection system based on differential silicon cantilever optical microphones (SCOMs) is proposed and experimentally demonstrated. The system contains a compact non-resonant pho
Externí odkaz:
https://doaj.org/article/7c8de4087273420d9c8a610b4f903bd6
Autor:
Yufeng Pan, Jinbiao Zhao, Ping Lu, Chaotan Sima, Wanjin Zhang, Lujun Fu, Deming Liu, Jiangshan Zhang, Hongpeng Wu, Lei Dong
Publikováno v:
Photoacoustics, Vol 27, Iss , Pp 100389- (2022)
All-optical light-induced thermoacoustic spectroscopy (AO-LITS) is reported for the first time for highly sensitive and selective gas sensing, in which a commercial standard quartz tuning fork (QTF) is employed as a photothermal detector. The vibrati
Externí odkaz:
https://doaj.org/article/886544a6d3cd44e78e8402d72e440bcd
Autor:
Hanping Xiao, Jinbiao Zhao, Chaotan Sima, Ping Lu, Yanhong Long, Yan Ai, Wanjin Zhang, Yufeng Pan, Jiangshan Zhang, Deming Liu
Publikováno v:
Photoacoustics, Vol 26, Iss , Pp 100353- (2022)
In this paper, we propose and experimentally demonstrate an ultra-sensitive all-optical PAS gas sensor, incorporating with a near-infrared (NIR) diode laser, fiber-optic microphones (FOMs) and a double channel differential T-type photoacoustic cell.
Externí odkaz:
https://doaj.org/article/fa8c6924cafd4567a891d12c77e0ba80
Publikováno v:
Sensors, Vol 23, Iss 11, p 5130 (2023)
Tunable Diode Laser Absorption Spectroscopy (TDLAS) has been widely applied in in situ and real-time monitoring of trace gas concentrations. In this paper, an advanced TDLAS-based optical gas sensing system with laser linewidth analysis and filtering
Externí odkaz:
https://doaj.org/article/a09c943a7874461e877f329615641770
Autor:
Hongyu Tan, Chaotan Sima, Botao Deng, Xiaohang Zhang, Guoqun Chen, Qianqing Yu, Jianghe Xu, Zhenggang Lian, Deming Liu
Publikováno v:
IEEE Photonics Journal, Vol 13, Iss 3, Pp 1-10 (2021)
A ultra-wideband highly-birefringent Bragg layered photonic bandgap fiber (BL-PBGF) with concave-index cladding is proposed and demonstrated, by incorporating PBG effect with Bragg multilayers for the first time to the best of our knowledge. The prop
Externí odkaz:
https://doaj.org/article/bddbf5bccf224113958f20abacdf27d5