Effect of viscosity on the far-field diffraction pattern of spatial self-phase modulation

• Autorzy: Nibu A. G. , Silpa S. S. , Ardra S. N. , Anisha M. M. , Ambika D.

Identyfikatory

DOI

10.5277/oa170408

• Języki publikacji: EN

Abstrakty

EN

Effect of viscosity of a liquid on the far-field diffraction pattern due to spatial self-phase modulation is investigated. Chlorophyll extract in acetone at different concentrations is used as the low viscous nonlinear samples and commercial engine oils, synthetic and natural. It is also used as high viscous media. In the case of chlorophyll solution, the self-induced diffraction ring pattern in the far-field is a series of circular rings at the beginning; but later it is transformed to half circular symmetry. But for the high viscous engine oils we have observed circular fringes and there is no time dependent structural variation in the pattern. The coefficient of the intensity dependent nonlinear refractive index for all the liquid samples is evaluated.

Słowa kluczowe

EN

self-phase modulation; nonlinear refractive index; chlorophyll; engine oil

• Wydawca: Oficyna Wydawnicza Politechniki Wrocławskiej
• Czasopismo: Optica Applicata
• Rocznik: 2017
• Tom: Vol. 47, nr 4
• Strony: 591--599
• Opis fizyczny: Bibliogr. 29 poz., rys., tab.

Twórcy

autor

Nibu A. G.

• Physics Research Centre, Baselius College, Kottayam, Kerala, India – 686001

autor

Silpa S. S.

• Physics Research Centre, Baselius College, Kottayam, Kerala, India – 686001

autor

Ardra S. N.

• Physics Research Centre, Baselius College, Kottayam, Kerala, India – 686001

autor

Anisha M. M.

• Physics Research Centre, Baselius College, Kottayam, Kerala, India – 686001

autor

Ambika D.

• Physics Research Centre, Baselius College, Kottayam, Kerala, India – 686001

Bibliografia

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Uwagi

PL

Opracowanie rekordu w ramach umowy 509/P-DUN/2018 ze środków MNiSW przeznaczonych na działalność upowszechniającą naukę (2018).