Here we report on the magneto-optical Kerr eect (MOKE) employing a nematic liquid crystal (LC) device as optical modulator. This device allows performing intensity, phase and polarization modulated measurements with huge signal to noise ratio if compared to those obtained by mean of an opto-mechanical chopper and a photo-elastic modulator (PEM). The results demonstrate that the optimal performance is achieved modulating the polarization state of the incident light by means of the LCs.
MOKE Setup Exploiting a Nematic Liquid Crystal Modulator / Ciprian, R.; Loi, F.; Busetto, E.; Bonanni, V.; Casarin, B.; Caretta, A.; Solzi, M.; Malvestuto, M.. - In: REVIEW OF SCIENTIFIC INSTRUMENTS. - ISSN 0034-6748. - 89:10(2018), p. 105107. [10.1063/1.5033433]
MOKE Setup Exploiting a Nematic Liquid Crystal Modulator
R. Ciprian;M. Solzi;
2018-01-01
Abstract
Here we report on the magneto-optical Kerr eect (MOKE) employing a nematic liquid crystal (LC) device as optical modulator. This device allows performing intensity, phase and polarization modulated measurements with huge signal to noise ratio if compared to those obtained by mean of an opto-mechanical chopper and a photo-elastic modulator (PEM). The results demonstrate that the optimal performance is achieved modulating the polarization state of the incident light by means of the LCs.I documenti in IRIS sono protetti da copyright e tutti i diritti sono riservati, salvo diversa indicazione.
