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| Abstract: | Eventhough a large number of schemes have been proposed and develoned for N9 laser ouined dye lasers the relatively low efficiency compelled the scientists to device new methods to improve the system efficiencs. Energy transfer mechanism has been shown to he a convenien tool for the enhancement of efficiency of dye lasers. Th p resent work covers a detailed study of the performance characteristics of a N2 laser pumped dye laser in the con— ventional mode and also, when pumped by the energy transfer mechanism. For .th.e present investigations a dye laser pumped by a'N2 laser (A4200 kw peak power) was fabricated. The grating at grazing incidence was used as the beam expanding device; A t its best performance the system was giving an output peak power of l5 kW for a 5 X lC"3H/l Rh—€ solution in methanol. T he conversion efficiency was 7.5; The output beam was having 3 divergence of 2 mrad and bandwidth o.9 A. Suitable modifications were suggested for obtaining better conversion efficiency and bandwidth. |
| Description: | Department of Physics, Cochin University Of Science And Technology |
| URI: | http://dyuthi.cusat.ac.in/purl/3470 |
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| Dyuthi-T1425.pdf | (6.162Mb) |
| URI: | http://dyuthi.cusat.ac.in/purl/1093 |
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| Sebastian P J 1982.pdf | (558.8Kb) |
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