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Dyuthi @ CUSAT >
e-SCHOLARSHIP >
Photonics >
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Dr.C P Girijavallabhan >
Please use this identifier to cite or link to this item:
http://purl.org/purl/2492
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| Title: | Observation of two-photon induced photoemission optogalvanic effect |
| Authors: | Sasi Kumar, P R
Padmaja, G
Ravi Kumar, A V
Nampoori, V P N
Vallabhan, C P G
Technology |
| Keywords: | Optogalvanic effect
two-photon absorption
photoemission |
| Issue Date: | Apr-1991 |
| Publisher: | Springer |
| Abstract: | Observation of laser induced two-photon photoemission optogalvanic (TPPOG) effect from tungsten electrode in a discharge cell using 564 nm radiation obtained from a pulsed dye laser is described. The magnitude of the POG signal is studied as a function of laser energy under various discharge parameters. Competition between one-photon and two-photon processes has been observed when nitrogen gas is used in the discharge cell. |
| URI: | http://dyuthi.cusat.ac.in/purl/2492 |
| ISSN: | 0304-4289 |
| Appears in Collections: | Dr.C P Girijavallabhan
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