Articles written in Pramana – Journal of Physics
Volume 20 Issue 1 January 1983 pp 19-22 Crystallography
Volume 23 Issue 5 November 1984 pp 547-557 Experimental Techniques
The multiple-quantum pathway description developed earlier for two-dimensional single-quantum correlation spectroscopy (
Volume 39 Issue 4 October 1992 pp 355-358
Rotation-free transmission measurements governed by ground-state recovery of coumarin 102, coumarin 138 and coumarin 339 dyes in ethanol solutions were performed for the first time by pump-probe technique using 35 ps pulses of Nd:YAG laser at 355 nm. Recovery of absorption is characterized by simple exponential behaviour with relaxation times of 4.0, 3.7 and 3.0 ns respectively for C 102, C 138 and C 339. These values are comparable to the lifetimes of the first excited singlet states.
Volume 45 Issue 3 September 1995 pp 279-290
The time-resolved laser emission of coumarin 102 was investigated in various aprotic and protic solvents at picosecond resolution by frequency upconversion technique. The spectral shift of the transient emission spectrum is attributed to solvent reorientation and the results are discussed.
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