Determination of the complex refractive index of a subwavelength-diameter spider thread on silver coating by light scattering

• Autorzy: Morita Aya , Tajima Fumiaki , Yuji Toshifumi , Mamat Sarizam , Mungkung Narong

Identyfikatory

DOI

10.15199/48.2020.09.29

Warianty tytułu

PL

Pomiar współczynnika załamania światła w srebrnej nanorurce metodą analizy rozpraszania światła laserowego

• Języki publikacji: EN

Abstrakty

EN

In this study, we have created nano-scale silver pipes by sputtering the silver material which frequently shows negative or less-than 1 refractive index onto the spider thread thinner than optical wavelength with. As a part of the study to investigate distribution of the complex refractive index which indicates optical and electromagnetic properties of the resulting silver pipes, we used light scattering method using linearly polarized laser with wavelength of 660 nm and radiated it perpendicularly to the silver pipe to measure the angular distribution of the scattered light intensity. Using the numerical calculation with Coaxial cylinder model based on the values found through preceding studies, we calculated the angular distribution of the scattered light intensity, and fitted the calculation result to the measurement result. This allowed us to determine the complex refractive index and outer diameter of the silver pipe along with the error range. The silver pipe was observed with field emission scanning electron microscope (FE-SEM) and the outer diameter of the silver pipe was estimated. This outer diameter was compared with the outer diameter obtained by fitting the calculation result with the light scattering method to the measurement result to evaluate the validity of the measurement result. This revealed that the result obtained with light scattering method has showed good agreement with that measured using FE-SEM.

PL

W artykule przedstawiono metodę badania nanorurek srebrnych wytwarzanych metodą rozpylania. Do badania właściwości rurek, przede wszystkim ich grubości wykorzystano pomiar światła rozproszonego na długości nici. Do pomiaru wykorzystano światło laserowe o o długości 660 nm. Opracowano model matematyczny metody pomiar współczynnika załamania światła. Dokładność metody potwierdzono wykorzystując mikroskop typu FE-SEM.

Słowa kluczowe

EN

light scattering; silver; spider thread; complex refractive index; coaxial cylinder model

PL

nanorurki srebrne; rozpraszanie światła; współczynnik załamania światła

• Wydawca: Wydawnictwo SIGMA-NOT
• Czasopismo: Przegląd Elektrotechniczny
• Rocznik: 2020
• Tom: R. 96, nr 9
• Strony: 138--142
• Opis fizyczny: Bibliogr. 21 poz., rys.

Twórcy

autor

Morita Aya

• Yokohama-Yoshida Junior High School, 1-1, Gakuenkibanadai-nishi, Miyazaki, 889192, Japan

autor

Tajima Fumiaki

• Yokohama National University, Tokiwadai, Hodogayaku,Yokohama, 2408501, Japan

autor

Yuji Toshifumi

• Faculty of Education, University of Miyazaki, 1-1, Gakuenkibanadai-nishi, Miyazaki, 889192, Japan

autor

Mamat Sarizam

• Advanced Materials Research Cluster, Faculty of Bioengineering and Technology, University Malaysia Kelantan, 17600, Jeli, Kelantan, Malaysia

autor

Mungkung Narong

• Department of Electrical Technology Education, King Mongkut's University of Technology Thonburi, 126 Pracha Uthit Rd, Bang Mot, Thung Khru, Bangkok, 10140, Thailand

Bibliografia

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Uwagi

Opracowanie rekordu ze środków MNiSW, umowa Nr 461252 w ramach programu "Społeczna odpowiedzialność nauki" - moduł: Popularyzacja nauki i promocja sportu (2020).