Results 1 to 10 of about 626,628 (219)
We introduce the concept of "Ultrasound Spectroscopy". The premise of ultrasound spectroscopy is that by acquiring ultrasound RF data at multiple power and frequency settings, a rich set of features can be extracted from that RF data and used to characterize the underlying tissues.
Stephen R. Aylward +5 more
openaire +2 more sources
AbstractAll spectrometers rely on some mechanism to achieve spectral selectivity; common examples include gratings, prisms, and interferometers with moving mirrors. A spectroscopic technique—here dubbed Planck spectroscopy—that measures the spectral emissivity of a surface using only a temperature‐controlled stage and a detector, without any wavelength‐
Yuzhe Xiao +6 more
openaire +2 more sources
A brief introduction into the spectroscopy of fusion plasmas is presented. Basic principles of the emission of ionic, atomic and molecular radiation is explained and a survey of the effects, which lead to the population of the respective excited levels, is given. Line radiation, continuum radiation, opacity and line broadening mechanisms are addressed.
openaire +4 more sources
Spectroscopic analysis and study of nanoparticle samples is often hampered by structural diversity that presents a complex superposition of spectral signatures. By probing the spectra of small volumes within dilute samples, we can expose statistical variations in composition to obtain information unavailable from bulk spectroscopy. This new approach is
Streit, Jason K. +4 more
openaire +3 more sources
Critical evaluation of "Diffuse reflectance spectroscopy for enhanced diagnostic precision in breast cancer". [PDF]
Bibi Z, Ali K.
europepmc +1 more source
Ultrasensitive Chemical Detection Using Integrating Cavity-Enhanced Raman Spectroscopy. [PDF]
Moore TZ +5 more
europepmc +1 more source
Near-Infrared Spectroscopy in Food Analysis: Applications, Chemometric Strategies, and Technological Advances. [PDF]
Dai L, Luo D, Zhang J, Chen Y, Li C.
europepmc +1 more source
Nonlinear dual-frequency modulation QEPAS using a single laser for resolving overlapping spectral features. [PDF]
Shen X +9 more
europepmc +1 more source

