Simulation study on diameter measurement technique for submicrometer-sized tapered fibers with standing wave illumination

Sojiro Murakami; Shotaro Kadoya; Satoru Takahashi

doi:10.1117/12.2616248

27 October 2021 Simulation study on diameter measurement technique for submicrometer-sized tapered fibers with standing wave illumination

Sojiro Murakami, Shotaro Kadoya, Satoru Takahashi

Author Affiliations +

Proceedings Volume 11927, Optical Technology and Measurement for Industrial Applications Conference 2021; 1192707 (2021) https://doi.org/10.1117/12.2616248
Event: SPIE Technologies and Applications of Structured Light, 2021, Online, Japan

Abstract

Tapered fibers with a diameter of sub-micrometer to several micrometer show various optical characteristics, and the diameter is the most important parameter. To guarantee their functions, it is necessary to measure the fiber diameter with high precision during manufacturing. In this research, we propose an in-process measurement method of the diameter of sub-micro-optical fiber. The proposed technique is based on analyzing optically scattered light generated by standing wave illumination. First, we show the scattering characteristics of sub-microfibers using numerical simulation based on finite element method (FEM). From the result of simulation, it was revealed that the optical fiber of 100 nm in diameter can be evaluated with the standing wave illumination.

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Sojiro Murakami, Shotaro Kadoya, and Satoru Takahashi "Simulation study on diameter measurement technique for submicrometer-sized tapered fibers with standing wave illumination", Proc. SPIE 11927, Optical Technology and Measurement for Industrial Applications Conference 2021, 1192707 (27 October 2021); https://doi.org/10.1117/12.2616248

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