Experimental study of near-field light collection efficiency of aperture fiber probe at near-infrared wavelengths

Nobuhiro Tsumori; Motoki Takahashi; Yoshiki Sakuma; Toshiharu Saiki

doi:10.1364/AO.50.005710

Experimental study of near-field light collection efficiency of aperture fiber probe at near-infrared wavelengths

Nobuhiro Tsumori, Motoki Takahashi, Yoshiki Sakuma, Toshiharu Saiki

電気情報工学科

研究成果: Article › 査読

6 被引用数 (Scopus)

抄録

We examined the near-field collection efficiency of near-infrared radiation for an aperture probe.We used InAs quantum dots as ideal point light sources with emission wavelengths ranging from 1.1 to 1:6 μm. We experimentally investigated the wavelength dependence of the collection efficiency and compared the results with computational simulations that modeled the actual probe structure. The observed degradation in the collection efficiency is attributed to the cutoff characteristics of the gold-clad tapered waveguide, which approaches an ideal conductor at near-infrared wavelengths.

本文言語	English
ページ（範囲）	5710-5713
ページ数	4
ジャーナル	Applied Optics
巻	50
号	29
DOI	https://doi.org/10.1364/AO.50.005710
出版ステータス	Published - 2011 10 10

ASJC Scopus subject areas

Atomic and Molecular Physics, and Optics
Engineering (miscellaneous)
Electrical and Electronic Engineering

文献へのアクセス

10.1364/AO.50.005710

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引用スタイル

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