Results 281 to 290 of about 3,105,592 (333)
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Review of Scientific Instruments, 1993
A far-infrared rotating-analyzer ellipsometer which uses a step-tunable, optically pumped gas laser as its light source is described herein. As polarizers novel metal grids with 10 000:1 polarization contrast were used. The instrument determines the complex dielectric function in the spectral range between 10 and 150 cm−1.
K.‐L. Barth, F. Keilmann
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A far-infrared rotating-analyzer ellipsometer which uses a step-tunable, optically pumped gas laser as its light source is described herein. As polarizers novel metal grids with 10 000:1 polarization contrast were used. The instrument determines the complex dielectric function in the spectral range between 10 and 150 cm−1.
K.‐L. Barth, F. Keilmann
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Angewandte Chemie, 2016
The development of organic fluorophores with efficient solid-state emissions or aggregated-state emissions in the red to near-infrared region is still challenging.
Hongguang Lu +8 more
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The development of organic fluorophores with efficient solid-state emissions or aggregated-state emissions in the red to near-infrared region is still challenging.
Hongguang Lu +8 more
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Angewandte Chemie, 2016
Photoregulated polymerizations are typically conducted using high-energy (UV and blue) light, which may lead to undesired side reactions. Furthermore, as the penetration of visible light is rather limited, the range of applications with such wavelengths ...
Sivaprakash Shanmugam +2 more
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Photoregulated polymerizations are typically conducted using high-energy (UV and blue) light, which may lead to undesired side reactions. Furthermore, as the penetration of visible light is rather limited, the range of applications with such wavelengths ...
Sivaprakash Shanmugam +2 more
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Nature, 1972
Far-Infrared Spectroscopy . By K. D. Moller and W. G. Rothschild. Pp. xix + 797. (Wiley: New York and London, June 1971.) £14.25.
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Far-Infrared Spectroscopy . By K. D. Moller and W. G. Rothschild. Pp. xix + 797. (Wiley: New York and London, June 1971.) £14.25.
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Chemical Society Reviews, 2013
The long wavelength (far-red to NIR) analyte-responsive fluorescent probes are advantageous for in vivo bioimaging because of minimum photo-damage to biological samples, deep tissue penetration, and minimum interference from background auto-fluorescence ...
Lin Yuan +4 more
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The long wavelength (far-red to NIR) analyte-responsive fluorescent probes are advantageous for in vivo bioimaging because of minimum photo-damage to biological samples, deep tissue penetration, and minimum interference from background auto-fluorescence ...
Lin Yuan +4 more
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1996
Infrared spectroscopy (spectral range 10 to 10000 cm−1) has played an important role for the characterisation of epitaxial layers since the early days of epitaxial growth. Infrared transmission and reflection spectra yield information on electric dipole allowed elementary excitations.
Bernd Harbecke +3 more
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Infrared spectroscopy (spectral range 10 to 10000 cm−1) has played an important role for the characterisation of epitaxial layers since the early days of epitaxial growth. Infrared transmission and reflection spectra yield information on electric dipole allowed elementary excitations.
Bernd Harbecke +3 more
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Infrared Physics, 1976
Abstract Two far i.r. lines from a pulsed helium laser have been accurately measured with a metal grid Fabry-Perot interferometer at wavelengths of 95.763 ± 0.006 μm and 216.12 ± 0.01μm. The laser output critically depends on the plasma conditions in the laser during the excitation phase.
R.A. Murphy, R. Turner
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Abstract Two far i.r. lines from a pulsed helium laser have been accurately measured with a metal grid Fabry-Perot interferometer at wavelengths of 95.763 ± 0.006 μm and 216.12 ± 0.01μm. The laser output critically depends on the plasma conditions in the laser during the excitation phase.
R.A. Murphy, R. Turner
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Far-Infrared Surveys of the Sky
Science, 1967A series of far-infrared surveys of the sky is searching for thermal radiation from interstellar grains and for other localized sources of far-infrared radiation. A balloon-borne germanium bolometer, cooled by liquid helium, is used in association with a telescope and spectral filters.
William F. Hoffmann +3 more
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Applied Optics, 1983
Infrared optical constants collected from the literature are tabulated. The data for the noble metals and Al, Pb, and W can be reasonably fit using the Drude model.
M. A. Ordal +6 more
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Infrared optical constants collected from the literature are tabulated. The data for the noble metals and Al, Pb, and W can be reasonably fit using the Drude model.
M. A. Ordal +6 more
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Far-infrared properties of DAST
Optics Letters, 2000Using terahertz time-domain spectroscopy, we have measured the index of refraction and the absorption coefficient of the organic ionic salt 4-N, N-dimethylamino-4?-N?-methyl-stilbazolium tosylate (DAST). This promising organic electro-optic material exhibits strong absorption and dispersion for frequencies above 1 THz at both room temperature and 83 K.
Walther, Markus +4 more
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