Abstract We report on random lasing in a disordered system in which the multiple scattering feedback mechanism can be switched from a three-dimensional random walk to a quasi-two-dimensional type of transport. The emission from this system is anisotropic, extraordinary polarized, and is controlled via an external electric field. The phenomenon is observed in dye-doped polymer dispersed liquid crystals and makes use of the strong scattering anisotropies in these materials.
Quasi-two-dimensional diffusive random laser action / GOTTARDO S.; S. CAVALIERI; YAROSHCHUK O.; WIERSMA D.S.. - In: PHYSICAL REVIEW LETTERS. - ISSN 0031-9007. - STAMPA. - 93:(2004), pp. 263901-263902. [10.1103/PhysRevLett.93.263901]
Quasi-two-dimensional diffusive random laser action
CAVALIERI, STEFANO;WIERSMA, DIEDERIK SYBOLT
2004
Abstract
Abstract We report on random lasing in a disordered system in which the multiple scattering feedback mechanism can be switched from a three-dimensional random walk to a quasi-two-dimensional type of transport. The emission from this system is anisotropic, extraordinary polarized, and is controlled via an external electric field. The phenomenon is observed in dye-doped polymer dispersed liquid crystals and makes use of the strong scattering anisotropies in these materials.File | Dimensione | Formato | |
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