نتایج جستجو برای: infrared spectrometer

تعداد نتایج: 123942  

2005
Victoria E. Hamilton Harry Y. McSween Bruce Hapke

[1] We have utilized optical constants derived from thermal infrared spectra acquired by the Mariner 9 Infrared Interferometer Spectrometer (M9 IRIS) and Mars Global Surveyor Thermal Emission Spectrometer (MGS TES), during periods of relatively high dust/low water ice opacity, to generate synthetic transmission and emission spectra of the atmospheric dust. Using libraries of transmission and em...

2012
Ximiao Hou Wei Cheng

H€ansch TW, Picqué N. Frequency combs. In: Tr€ager F, editor. Handbook of lasers and optics. 2nd ed. Springer Berlin: Heidelberg; (2012). Ideguchi T et al. Adaptive real-time dual comb spectroscopy. arXiv:1201.4177 (2012). Jacquet, P., et al. Frequency comb Fourier transform spectroscopy with kHz optical resolution. In: Fourier transform spectroscopy. Washington, DC: Optical Society of America;...

2011
M. Zemcov T. Arai

The Cosmic Infrared Background Experiment (CIBER) is a suite of four instruments designed to study the near infrared (IR) background light from above the Earth’s atmosphere. The instrument package comprises two imaging telescopes designed to characterize spatial anisotropy in the extragalactic IR background caused by cosmological structure during the epoch of reionization, a low resolution spec...

2003
J.-M. Flaud G. Bergametti T. Steck H. Bovensmann M. Carlotti M. Ridolfi

The Geostationary Fourier Imaging Spectrometer (GeoFIS) is proposed as part of the European Geostationary Tropospheric Pollution Explorer (GeoTroPE) mission. For this mission, two instruments are considered: one covering the thermal infrared region (GeoFIS) and one covering the ultraviolet–visible and near-infrared regions (GeoSCIA). The geostationary orbit (GEO) provides indeed a unique opport...

1996
D. A. Beintema M. E. van den Ancker C. Waelkens T. de Jong Th. de Graauw K. Justtanont I. Yamamura A. Heras A. Salama

We present observations taken with the Short Wavelength Spectrometer (SWS) on board the Infrared Space Observatory (ISO) of three evolved C-rich stars, the post-AGB star HR 4049 and two planetary nebulae, IRAS21282+5050 and NGC 7027. The spectra are dominated by the well-known infrared emission bands, attributed to Polycyclic Aromatic Hydrocarbons (PAHs). The SWS spectra for the first time allo...

Journal: :Journal of the American Chemical Society 2004
Jos Oomens David T Moore Gert Von Helden Gerard Meijer Robert C Dunbar

Infrared spectroscopy of gas-phase Cr+ complexes of aniline was studied using the FELIX free electron laser interfaced to a Fourier transform ion cyclotron resonance spectrometer. For both the monomer complex Cr+(aniline) and the dimer complex Cr+(aniline)2 the spectra showed features indicating binding of the metal ion to the aromatic pi cloud, as opposed to the nitrogen atom. Agreement with D...

2012
D. J. Hayton J. R. Gao J. W. Kooi Y. Ren W. Zhang G. de Lange

Related Articles Afterpulsing and instability in superconducting nanowire avalanche photodetectors Appl. Phys. Lett. 100, 112601 (2012) Plasmonic detector/spectrometer of subterahertz radiation based on two-dimensional electron system with embedded defect Appl. Phys. Lett. 100, 082102 (2012) Modeling and analysis of intraband absorption in quantum-dot-in-well mid-infrared photodetectors J. Appl...

2002
Raphael Casaes Robert Provençal Joshua Paul Richard J. Saykally

We report the design and performance of a tunable, pulsed high resolution mid infrared cavity ringdown spectrometer. Stimulated Raman scattering in H2 /D2 is used to downconvert the output of a SLM Alexandrite ring laser ~720–800 nm! to the mid infrared ~3–8 mm!. The infrared frequency bandwidth was determined to be 9065 MHz from measurements of Doppler broadened OCS transitions at 5 mm. The mi...

Journal: :The Review of scientific instruments 2013
Stephen J Brotton Ralf I Kaiser

We describe an original apparatus comprising of an acoustic levitator enclosed within a pressure-compatible process chamber. To characterize any chemical and physical modifications of the levitated particle, the chamber is interfaced to complimentary, high-sensitivity Raman (4390-170 cm(-1)), and Fourier transform infrared (FTIR) (10,000-500 cm(-1)) spectroscopic probes. The temperature of the ...

2015
A. P. Shapovalov I. V. Korotash E. M. Rudenko F. F. Sizov

Aluminum nitride (AlN) film coatings have been obtained by a new technique of hybrid helikon-arc ion-plasma deposition. Possibility to combine the magnetic-filtered arc plasma deposition technique with a treatment in RF plasma of helicon discharge allowed us to deposit AlN coatings on thermolabile substrates, significantly increasing the deposition rate. A study of spectral properties of AlN fi...

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