Autor: |
Pazyuk, V.S., Podmar'kov, Yu.P., Raspopov, N.A., Frolov, M.P. |
Zdroj: |
Quantum Electronics; July 7, 2001, Vol. 31 Issue: 4 p363-366, 4p |
Abstrakt: |
The absorption spectrum of singlet oxygen O2(a1 Δg) is detected in a gas phase at the a1 Δg → b1 Σg+ transition by the method of intracavity laser spectroscopy using a broad-band Co : MgF2 laser emitting 200-μs pulses at a wavelength 1.91 μm. In the case of Doppler broadening of absorption lines at room temperature, the sensitivity of detection of O2 (a1 Δg) is ~ (2 5) × 1014 cm-3 . It is shown that the gas temperature can be calculated from the dependence of absorption cross sections for individual lines on the rotational quantum number. |
Databáze: |
Supplemental Index |
Externí odkaz: |
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