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PENGARUH POLARITAS MEDAN LISTRIK EKSTERNAL DAN SUDUT POLARISASI LASER DIODA UNTUK PENGAMATAN EFEK KERR

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BERKALA FISIKA
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Abstract

An identification of non linear optics of some material has been carried out. The samples used here are mineral water, salt solution, and sugar solution for various concentrations. A static applied external field E is adjusted to left and right direction. And also, the direction of electric field of laser is varied against E. The magnitude of E used in the experiment is produced by a DC high voltage (0-10 kV) applied on two identical parallel plates. A source of light to the samples is a diode laser of 645 nm and 5 mW. The change of polarization angle of laser b after through the samples is the optical property to be identified. Both of mineral water and salt solution, the effect of polarity of E shows identical results of b vs. E. In case of sugar solution, we obtain a positive gradient for right polarity and negative gradient for left polarity of E. Key words: non linear optics, polarization, polarization angle, Kerr Effect

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