Rajgara, A. Firoz ; Mathur, Deepak ; Ramachandran, Hema (2007) Possible EIT-like effects in strong-field photo-dissociation of carbon disulphide Chemical Physics Letters, 438 (1-3). pp. 31-35. ISSN 0009-2614
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Official URL: http://www.sciencedirect.com/science/article/pii/S...
Related URL: http://dx.doi.org/10.1016/j.cplett.2007.02.064
Abstract
CS2 molecules are spatially aligned upon irradiation by intense (1-100 TW cm-2), 35 ps pulses of 512 nm or 355 nm light. When both colours are simultaneously present, spatial alignment disappears. We draw analogy with weak-field illumination of an atom by two colours wherein EIT (electromagnetically induced transparency) inhibits absorption by virtue of dipoles not being induced in two-colour fields. In the strong-field scenario, molecular alignment is a consequence of a dipole being induced in the direction of the applied electric field. It follows, therefore, that when dipoles are not induced, no spatial alignment is to be expected.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to Elsevier Science. |
| ID Code: | 69076 |
| Deposited On: | 08 Nov 2011 04:32 |
| Last Modified: | 08 Nov 2011 04:32 |
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