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NaK 22Σ+ → 11Σ+ band optically pumped laser near 1.02 μm (1989)

Clark, B. K. ; Luh, W. T. ; Huennekens, J.

Springer

Applied physics 49 (1989), S. 155-161

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ISSN: 1432-0649

Schlagwort(e): 42.55.Hq ; 33.50.Dq

Quelle: Springer Online Journal Archives 1860-2000

Thema: Physik

Notizen: Abstract Optically pumped laser emission has been observed on the NaK 2(A)1Σ+ → 1(X)1Σ+ electronic state transition. The emission occurs between 1.015 and 1.035 μm when a sodium-potassium heat-pipe oven is pumped with 695–745 nm pulsed dye laser radiation. The laser emission occurs on many ro-vibrational transitions without the use of cavity mirrors. However, the addition of a simple cavity increases both the number of observed lasing transitions and the amplitude of the emission on each line. We report our results for the dependence of the emission intensity on pump laser power, oven temperature, and buffer gas pressure.

Materialart: Digitale Medien

URL: http://dx.doi.org/10.1007/BF00332276

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Digitale Medien

Mass spectrometry of pyrrolo [2, 3- b] pyrazines and pyrazino [2, 3- b]indole (1977)

Clark, B. A. J. ; Parrick, J.

Chichester : Wiley-Blackwell

Biological Mass Spectrometry 12 (1977), S. 421-423

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ISSN: 0030-493X

Schlagwort(e): Chemistry ; Analytical Chemistry and Spectroscopy

Quelle: Wiley InterScience Backfile Collection 1832-2000

Thema: Chemie und Pharmazie

Notizen: The first mass spectra of pyrrolo [2, 3-b] pyrazine and some of its derivatives and of pyrazino [2, 3-b] indole are reported and compared with those of related compounds. Differences between the spectra of some aryl substituted derivatives are described and discussed.

Zusätzliches Material: 2 Tab.

Materialart: Digitale Medien

URL: http://dx.doi.org/10.1002/oms.1210120703

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Bond polarizability calculations of the Raman optical activity of (R)-(+)-3-Methylcyclohexanone (1982)

Barron, L. D. ; Clark, B. P.

Chichester [u.a.] : Wiley-Blackwell

Journal of Raman Spectroscopy 13 (1982), S. 155-159

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ISSN: 0377-0486

Schlagwort(e): Chemistry ; Analytical Chemistry and Spectroscopy

Quelle: Wiley InterScience Backfile Collection 1832-2000

Thema: Chemie und Pharmazie , Physik

Notizen: The bond polarizability theory of Raman optical activity is used to calculate the complete Raman optical activity spectrum of (R)-(+)-3-methylcyclohexanone. The results are compared with the observed depolarized Raman circular intensity difference spectrum in the region 50-1800 cm-1. The predictions are better in the upper half of this range probably because at lower frequency the calculated normal coordinates are less reliable and the contributions from carbonyl deformations increase.

Zusätzliches Material: 1 Ill.

Materialart: Digitale Medien

URL: http://dx.doi.org/10.1002/jrs.1250130211

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