A HIGH-RESOLUTION STUDY OF THE C 3Πu → B 3Πg(0, 0) STIMULATED TRANSITIONS IN N*2
- 15 August 1968
- journal article
- research article
- Published by AIP Publishing in Applied Physics Letters
- Vol. 13 (4) , 142-144
- https://doi.org/10.1063/1.1652545
Abstract
High‐resolution spectroscopy was performed on the C 3Πu → B 3Πg(0, 0) band of N2 using a crossed‐grating Echelle spectrograph. The large incremental gain of these transitions produces significant line narrowing which permits wavelength measurements to a relative accuracy of one part in 107. Observed lines have been identified as 27 P branch and 2 R branch transitions distributed among the Π0, Π1, and Π2 spin multiplet sets, and extending from lower level J = 4 to J = 15. Each transition in the Π0 set is observed to originate from the lower Λ component level. A calculation of the relative gain which treats the electron excitation in the optical limit indicates the dominance of these transitions.Keywords
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