Zobrazeno 1 - 10
of 62
pro vyhledávání: '"785"'
Autor:
Taro Nogami, Tomohide Kondo, Ryoji Sekioka, Ryota Hashimoto, Yasuo Seto, Fumihito Muta, Yasuhiko Ohrui
Publikováno v:
Forensic Science International. 291:23-38
The Raman spectra of twenty-two chemical warfare agents (CWAs) were measured: eleven nerve agents and their precursor, five blister agents, three lachrymators, one choking agent, and one vomit agent, in liquid or solid state in colorless transparent
Publikováno v:
Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy. 80:36-40
Handheld Raman spectrometers (Ahura First Defender XL, Inspector Raman DeltaNu) permit the recording of acceptable and good quality spectra of a large majority of minerals outdoors and on outcrops. Raman spectra of minerals in the current study were
Publikováno v:
Diamond and Related Materials. 17:199-203
Raman spectroscopy is a powerful technique often used to study CVD diamond films, however, very little work has been reported for the Raman study of CVD diamond films using near infrared (785 nm) excitation. Here, we report that when using 785 nm exc
Publikováno v:
Icarus. 366:114533
Organic molecules are currently believed to be abundant in space, but the possible biogenic origin, or the mere existence, on some planetary surfaces, Mars specifically, is a pending question. Reliable methods of detection are required to answer this
Publikováno v:
Optik. 136:112-122
The paper presents the design of a Raman supernotch filter with peak wavelength at 785 nm based on the resonant grating waveguide structure (RGWS), comprising of substrate, dielectric waveguide and polymer nanoscale-grating layers. The characteristic
Autor:
Byoung-Kwan Cho, Moon S. Kim, Kuanglin Chao, Jianwei Qin, Stephen R. Delwiche, Walter F. Schmidt
Publikováno v:
Journal of Food Engineering. 198:17-27
Both surface and subsurface food inspection is important since interesting safety and quality attributes can be at different sample locations. This paper presents a multipurpose line-scan Raman platform for food safety and quality research, which can
Publikováno v:
Surface and Coatings Technology. 309:945-950
A thin diamond-like carbon film was deposited on Ni substrate by plasma electrolytic deposition in ethanol-water solution. The thickness of the deposited carbon film was measured about 40–60 nm by using glow discharge optical emission spectroscopy
Autor:
Dalva Lúcia Araújo de Faria, Richard Ingley, Ian Hutchinson, Isabela F.S. dos Santos, Howell G. M. Edwards
Publikováno v:
Repositório Institucional da USP (Biblioteca Digital da Produção Intelectual)
Universidade de São Paulo (USP)
instacron:USP
Universidade de São Paulo (USP)
instacron:USP
One of the current issues in the Mars regolith investigation is the performance evaluation of the instruments that are to be sent on the next missions, and commercial portable Raman instruments have been used in experiments aiming to simulate the cap
Publikováno v:
Applied Surface Science. 366:181-186
It is reported that the use of gold nanodumbbells as surface-enhanced Raman spectroscopy (SERS) substrates for the detection of ultra-low levels of four different food colorants: sunset yellow, lemon yellow, orange II and chrysoidin. Gold nanodumbbel
Autor:
Roshan L. Aggarwal, Dennis L. Polla, Xavier Andrade, Semion K. Saikin, L. W. Farrar, Alán Aspuru-Guzik
Publikováno v:
Solid State Communications. 152:204-209
a b s t r a c t The absolute Raman cross section σRS of the first-order 1332-cm − 1 optical phonons in type Ia natural diamond was measured using 785- and 1064-nm pump lasers for the excitation of Raman scattering. A small temperature-controlled b