Zobrazeno 1 - 10
of 33
pro vyhledávání: '"Yonghua Fang"'
Autor:
Zhengang Li, Jiaxiang Liu, Zhiqiang Ning, Haichun Xu, Junfang Miao, Ying Pan, Changping Yang, Yonghua Fang
Publikováno v:
Photoacoustics, Vol 36, Iss , Pp 100591- (2024)
Atmospheric aerosols play a pivotal role in the earth-atmospheric system. Analyzing their optical properties, specifically absorption and scattering coefficients, is essential for comprehending the impact of aerosols on climate. When different optica
Externí odkaz:
https://doaj.org/article/ef550b175df2430fb8ae1f12305a6a7e
Publikováno v:
Frontiers in Physics, Vol 10 (2022)
Raman spectroscopy is widely used in many fields with the advantages of simultaneous species detection and molecular fingerprint characteristics, but the low detection sensitivity limits its further development, especially for highly scattering or tu
Externí odkaz:
https://doaj.org/article/d540d092b827425bb51f2cddbec472f0
Autor:
Zhengang Li, Ganshang Si, Zhiqiang Ning, Jiaxiang Liu, Yonghua Fang, Beibei Si, Zhen Cheng, Changping Yang
Publikováno v:
Sensors, Vol 22, Iss 1, p 281 (2021)
The concentration of trace gases in the atmospheric environment is extremely low, but it has a great impact on the living environment of organisms. Photoacoustic spectroscopy has attracted extensive attention in the field of trace gas detection becau
Externí odkaz:
https://doaj.org/article/dbca0c5c77364a228aa679d13aac2d32
Publikováno v:
Microwave and Optical Technology Letters. 65:1241-1247
Autor:
Zhengang Li, Ganshang Si, Zhiqiang Ning, Jiaxiang Liu, Yonghua Fang, Beibei Si, Zhen Cheng, Changping Yang
Publikováno v:
Sensors, Vol 22, Iss 281, p 281 (2022)
Sensors; Volume 22; Issue 1; Pages: 281
Sensors; Volume 22; Issue 1; Pages: 281
The concentration of trace gases in the atmospheric environment is extremely low, but it has a great impact on the living environment of organisms. Photoacoustic spectroscopy has attracted extensive attention in the field of trace gas detection becau
Publikováno v:
Optics express. 30(16)
A high-sensitivity differential Helmholtz photoacoustic cell based on multiple reflection was reported, and its performance parameters and gas replacement time were optimized by finite element simulation. To realize the long absorption path of the me
Autor:
Li Zhengang, Zhizhen Zhu, Ganshang Si, Jiaxiang Liu, Yonghua Fang, Wenbiao Huang, Zhen Cheng, Beibei Si
Publikováno v:
Eighth Symposium on Novel Photoelectronic Detection Technology and Applications.
Publikováno v:
Optics Express. 31:1154
A highly sensitive differential Helmholtz photoacoustic sensor with active noise reduction was reported. Coupled to one cavity of the photoacoustic cell, an intensity-modulated excitation light would reflect multiple times to produce photoacoustic si
Publikováno v:
Optics Communications. 527:128977
A new eye-safe compact UV-Raman spectroscopy setup for the proximal detection of hazardous chemicals
Autor:
Xin Yu, Zhen Cheng, Wenbiao Huang, Zhengang Li, Beibei Si, Jiaxiang Liu, Yonghua Fang, Ganshang Si
Publikováno v:
AOPC 2021: Optical Spectroscopy and Imaging.