Two-photon absorption in organic dyes — Relation with the symmetry of the levels
✍ Scribed by B. Foucault; J.P. Hermann
- Publisher
- Elsevier Science
- Year
- 1975
- Tongue
- English
- Weight
- 244 KB
- Volume
- 15
- Category
- Article
- ISSN
- 0030-4018
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📜 SIMILAR VOLUMES
Two-photon absorption (TPA) is a resonant third-order nonlinear optical (NLO) process in which an electron is promoted from its ground state to an excited state by simultaneous absorption of two photons of half-energy in an intense focused light beam such as that generated by a laser source. This ph
## Two-photoli photoselection has been demonstr+d for a molecuie in the low pressure gas phase. The excitation has been used to populate new vibrational levels in benzene rnder isolated molecule renditions down to 0.1 torr. The new states display unhsua! Sehatiour as wmpared.to the -tietimes of o