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

Nobuhiro Tsumori, Motoki Takahashi, Yoshiki Sakuma, Toshiharu Saiki

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
50
29
DOI
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

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