Results 31 to 40 of about 3,055,020 (205)

Application of terahertz spectroscopy to the characterization of biological samples using birefringence silicon grating [PDF]

open access: yes, 2012
We present a device and method for performing vector transmission spectroscopy on biological specimens at terahertz (THz) frequencies. The device consists of artificial dielectric birefringence obtained from silicon microfluidic grating structures. The
Saha, S.C.   +3 more
core   +1 more source

Transmission spectroscopy of WASP-7 b with UVES

open access: yes, 2022
Context. Transmission spectroscopy is a prime technique to study the chemical composition and structure of exoplanetary atmospheres. Strong excess absorption signals have been detected in the optical Na
Stefan Czesla   +7 more
core   +1 more source

Extracting Complex Dielectric Properties From Reflection-Transmission Mode Spectroscopy

open access: yesIEEE Access, 2018
Material characterization of homogeneous dielectric slabs using reflection-transmission mode spectroscopy can be problematic due to the ambiguity from a phasor term.
Jingye Sun, Stepan Lucyszyn
doaj   +1 more source

Transformation of aqueous protein attenuated total reflectance infra-red absorbance spectroscopy to transmission

open access: yesQRB Discovery, 2020
Infrared (IR) spectroscopy is increasingly being used to probe the secondary structure of proteins, especially for high-concentration samples and biopharmaceuticals in complex formulation vehicles.
Alison Rodger   +4 more
doaj   +1 more source

Advanced methods for enhanced sensing in biomedical Raman spectroscopy [PDF]

open access: yes, 2015
Raman spectroscopy is a powerful tool in the field of biomedicine for disease diagnosis owing to its potential to provide the molecular fingerprint of biological samples.
Balagopal, Bavishna
core   +1 more source

Near-infrared transmission spectroscopy of aqueous solutions: The influence of optical pathlength on signal-to-noise ratio [PDF]

open access: yes, 2002
The optimal choice of optical pathlength, source intensity, and detector for near-infrared transmission measurements of trace components in aqueous solutions depends on the strong absorption of water.
Bak, J   +5 more
core   +1 more source

SPECtrophotometer for TRansmission Spectroscopy of Exoplanets (SPECTR)

open access: yesPublications of the Astronomical Society of the Pacific
Abstract The SPECtrophotometer for TRansmission spectroscopy of exoplanets (SPECTR) is a new low-resolution optical (3800–6850 Å) spectrophotometer installed at the Bohyunsan Optical Astronomy Observatory 1.8 m telescope. SPECTR is designed for observing the transmission spectra of transiting exoplanets. Unique features of SPECTR are its
Yeon-Ho Choi   +11 more
openaire   +2 more sources

Electron energy loss spectroscopy: physical principles, state of the art and applications to the nanosciences [PDF]

open access: yes, 2012
Podeu consultar el llibre complet a: http://hdl.handle.net/2445/32166In the present work we review the way in which the electron-matter interaction allows us to perform electron energy loss spectroscopy (EELS), as well as the latest developments in the ...
Estradé Albiol, Sònia
core   +3 more sources

Narrow-band transmission spectroscopy from high dispersion spectra

open access: yes, 2021
In this review talk, I will walk through the most common complications when building a transmission spectrum (as a reminder from the hands-on workshop earlier in the week).
Seidel, Julia
core   +1 more source

Heterodyne photoacoustic gas sensing with real-time resonance tracking in high-Q resonators

open access: yesPhotoacoustics
High quality-factor (High-Q) photoacoustic (PA) resonators are widely recognized for their superior signal enhancement in trace gas sensing; however, their practical deployment is fundamentally limited by extreme sensitivity of the resonance frequency ...
Tingting Wei   +5 more
doaj   +1 more source

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