A laser induced optical birefringence has been obtained for the first time in an anisotropic artificial Kerr medium. This consists of an aqueous suspension of dielectric microellipsoids which reorientate under electromagnetic and brownian torques. The measured effective optical Kerr coefficients, n2, is 4.0x10-4 cm2/MW while the response time is 2.6 ms. These values agree with the ones obtained from a simple Debye model assuming rigid anisotropic rotors in a statistical environment. © 1988.
Pizzoferrato, R., Marinelli, M., Zammit, U., Scudieri, F., Martellucci, S., Romagnoli, M. (1988). Optically induced reorientational birefringence in an artificial anisotropic Kerr medium. OPTICS COMMUNICATIONS, 68(3), 231-234 [10.1016/0030-4018(88)90191-5].
Optically induced reorientational birefringence in an artificial anisotropic Kerr medium
PIZZOFERRATO, ROBERTO;MARINELLI, MASSIMO;ZAMMIT, UGO;SCUDIERI, FOLCO;MARTELLUCCI, SERGIO;
1988-01-01
Abstract
A laser induced optical birefringence has been obtained for the first time in an anisotropic artificial Kerr medium. This consists of an aqueous suspension of dielectric microellipsoids which reorientate under electromagnetic and brownian torques. The measured effective optical Kerr coefficients, n2, is 4.0x10-4 cm2/MW while the response time is 2.6 ms. These values agree with the ones obtained from a simple Debye model assuming rigid anisotropic rotors in a statistical environment. © 1988.| File | Dimensione | Formato | |
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