High resolution optogalvanic study in nitrogen discharge |
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| Authors: | P R Sasi Kumar B Ambadi V P N Nampoori C P G Vallabhan |
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| Institution: | (1) Laser Division, Department of Physics, Cochin University of Science and Technology, 682 022 Cochin, India |
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| Abstract: | Doppler limited high resolution spectrum in the wavelength region 17224 to 17236 cm−1 of the first positive system (B
3Π
g
−A
3Σ
u
+
) of the N2 molecule is recorded by optogalvanic spectroscopic technique using a single mode ring dye laser. It is observed that the
intensity and line width of the rotational line increase with the discharge current. Dependence of the collision broadening
coefficient on the current was also evaluated. |
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| Keywords: | Optogalvanic spectroscopy nitrogen molecule rotational analysis |
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