Results 151 to 160 of about 1,555,141 (308)
SensorsDifferential photoacoustic spectroscopy (DPAS) cells are usually excited on the first longitudinal ring mode, with a microphone situated in the middle of each of the two resonator tubes.
Andrey Boyko +4 more
doaj +1 more source
Laser &Photonics Reviews, EarlyView.HELIOS is a handheld, cost‐effective optoacoustic imaging system integrating compact 915 nm laser diodes with a 256‐channel spherical array probe for volumetric human angiography. It delivers 1.8 mJ pulses at 400 Hz and allows for high‐resolution, real‐time imaging of deep tissues in a freehand mode for point‐of‐care applications, rivaling the ...
Xiang Liu +8 more
wiley +1 more source
In situ Observation of Semiconductor-Dye Interface by Means of Photoacoustic Spectroscopy
, 1980 Tsuguo Sawada +4 more
openalex +2 more sources
Determination of Technetium by Laser Induced Photoacoustic Spectroscopy Coupled with a Wave-Length Shifter Method [PDF]
, 1993 Takeshi Fujita +6 more
openalex +1 more source
Laser &Photonics Reviews, EarlyView.This study presents an improved technique for Localization Optoacoustic Tomography using experimentally‐derived effective point spread functions. The method significantly enhances sub‐pixel localization performance, with applicable potential to relatively under‐sampled scenarios and other imaging modalities, paving the way for new frontiers in super ...
Hongtong Li +11 more
wiley +1 more source
The determination of water contents in various powdered foods by photoacoustic spectroscopy(PAS).
, 1989 Rikuo Takai +6 more
openalex +2 more sources
PhotoacousticsWe report on sensitive tunable laser absorption spectroscopy using a multipass gas cell and a solid-state photoacoustic optical power detector. Unlike photoacoustic spectroscopy (PAS), this method readily allows a low gas pressure for high spectral ...
Jussi Rossi, Markku Vainio
doaj +1 more source
Laser &Photonics Reviews, EarlyView.High‐sensitivity, high‐resolution stimulated Raman photoacoustic spectroscopy is achieved by coupling continuous‐wave pump and Stokes beams to a high‐finesse optical cavity. This approach successfully resolves the narrow Raman rotational transition S0(0) of H2 with sub‐kHz spectral resolution and attains an unprecedented sensitivity of 0.5 ppm using ...
Qinxue Nie +3 more
wiley +1 more source
Nano Select, EarlyView.Polyethylene glycol‐functionalized graphene oxide (PEG‐GO) nanocomposites revolutionize nanomedicine with their high surface area and tunable properties. This review explores their synthesis, characterization, and applications in drug delivery, gene therapy, biosensing, and photothermal therapy.
Oluwasegun Chijioke Adekoya +4 more
wiley +1 more source
The Expanding Role of Instruments and Equipment in Medical Imaging
iRADIOLOGY, EarlyView.
Arturo Chiti
wiley +1 more source