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The IR spectrum of the double QSO
Nature, 1980The hypothesis that the double QSO, 0957 + 561A,B (separation 6 arcs s and z = 1.4) is formed by a gravitational lens1 has found strong support from observations2 suggesting the presence of an intervening giant elliptical galaxy with z ≃ 0.4, separated from component B by
M. J. Lebofsky +3 more
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IR photometry of flat spectrum radio sources
Nature, 1981IR measurements of optically faint, flat spectrum radio sources have implied the possible existence of a new class of quasar, with IR excess more extreme than that of any extragalactic object. In the present preliminary study, 18 Parkes flat spectrum sources have been observed in the IR without regard to optical morphology, and the red sources are ...
C. D. Impey, P. W. J. L. Brand
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Novel Waveplate Designs For The IR Spectrum
SPIE Proceedings, 1989Infrared optical systems, including ellipsometers and sensors, make frequent use of traditional waveplate technology. In some cases, the limited spectral bandwidth associated with conventional IR waveplates has limited the wavelength range over which these systems can perform.
Jeffrey H. Bohn, David A. Roberts
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Solid state effects in the IR spectrum of Octahydridosilasesquioxane
Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy, 2004Infrared spectrum of Octahydridosilasesquioxane, in the solid state, is reported and analyzed to show the presence of significant solid state effects. This is in marked contrast with the reported Raman spectroscopic studies of this compound in the solid state where no evidence for such a proliferation of these effects were found.
Chomel, Arnold Desmartin +2 more
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What Nonlinear−IR Experiments Can Tell You about Water that the IR Spectrum Cannot
Journal of the American Chemical Society, 2006Frequently, the IR spectrum of water is used to characterize the structure and strength of the associated hydrogen bond network. Here, we use nonlinear-IR spectroscopy to investigate the dynamics of four aqueous systems that have very similar absorption spectra. We address the question: to what extent can the dynamics of water vary in systems with very
Ivan R, Piletic +3 more
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The Spectrum of Neutral Iridium, Ir I
Physical Review, 1938A new description of the arc spectrum of iridium has been made. The present data include 3100 wave-lengths of which 1937 have been accounted for as combinations between 214 energy levels. The normal electron configuration of the Ir I is $5{d}^{7}6{s}^{2}$ and the I.P. is approximately 9.2 volts. Tables of the most intense lines and of all of the energy
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Oncologic emergencies and urgencies: A comprehensive review
Ca-A Cancer Journal for Clinicians, 2022Bonnie Gould Rothberg +2 more
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