Zobrazeno 1 - 10
of 42
pro vyhledávání: '"Kewu Li"'
Publikováno v:
Sensors, Vol 24, Iss 16, p 5174 (2024)
A snapshot multi-wavelength birefringence imaging measurement method was proposed in this study. The RGB-LEDs at wavelengths 463 nm, 533 nm, and 629 nm were illuminated with circularly polarized light after passing through a circular polarizer. The t
Externí odkaz:
https://doaj.org/article/514ea3a6ca1c474093b350675968061c
Publikováno v:
Applied Sciences, Vol 13, Iss 7, p 4496 (2023)
To obtain highly sensitive, accurate, fast, and repeatable measurements of waveplate parameters over an entire clear aperture, a novel measurement method using dual differential frequency photoelastic modulations is proposed. Simple polarimetry is co
Externí odkaz:
https://doaj.org/article/51275ef7a3bf46288bea1c9e8619aad1
Publikováno v:
Applied Sciences, Vol 12, Iss 23, p 12097 (2022)
To develop fast and integrated spectrometry, we present a new method of compressed sensing spectrometry based on electro-optical transmittance coding. A LiNbO3 electro-optic modulator was applied to a directly compressed measurement code in the spect
Externí odkaz:
https://doaj.org/article/5cd2bcf830064fc1a9240cb64e966a77
Publikováno v:
Applied Sciences, Vol 10, Iss 1, p 395 (2020)
A novel method for determining the electro-optic (EO) coefficient γ 22 of lithium niobate and its dispersion using photoelastic modulation is presented. A spectroscopic polarimetry was constructed with the photoelastic modulator (PEM), and a monochr
Externí odkaz:
https://doaj.org/article/7fba6e79e2d34b5e9cc23363b5c6b6d3
Publikováno v:
Applied Sciences, Vol 9, Iss 2, p 341 (2019)
Recently, ellipsometry and polarization imaging using photoelastic modulators (PEMs) have been applied to a wide spectral range, from vacuum ultraviolet to the mid-infrared wavelengths. To ensure high accuracy polarization performance, the accurate c
Externí odkaz:
https://doaj.org/article/c3520cafd9f34f6db10408dfcedf0212
Publikováno v:
Sensors, Vol 18, Iss 1, p 15 (2017)
In this work, a biosensing method based on in situ, fast, and sensitive measurements of ellipsometric parameters (Ψ, ∆) is proposed. Bare silicon wafer substrate is functionalized and used to bind biomolecules in the solution. Coupled with a 45°
Externí odkaz:
https://doaj.org/article/7cd6f62079d844c989d078634ed0bf10
Publikováno v:
In Chemometrics and Intelligent Laboratory Systems 15 April 2017 163:7-15
Publikováno v:
Plasmonics. 17:457-465
Diabetes is one of the biggest health problems in the world; in order to control blood in modern biological detection and analysis, most of them use the method of label determination to realize the detection. This method usually needs to modify and l
Publikováno v:
Propellants, Explosives, Pyrotechnics. 47
Publikováno v:
IEEE Sensors Journal. 21:9885-9889
Conventional absorption spectroscopy falls short in complexity and measurement speed. Here, a new type of compressive sensing absorption spectroscopy technique employing a photoelastic modulator (PEM) is presented to address these challenges. The PEM