Gaussian beam with high spherical aberration focused by a singlet lens-shaped container for glucose measurements

被引：3
|
作者：
Yanez, Etna [1 ]
Cywiak, Moises [1 ]
Franco, Juan Manuel S. [1 ]
Cywiak, David [2 ]
机构：
[1] Ctr Invest Opt AC, Loma Bosque 115, Leon, Mexico
[2] Ctr Nacl Metrol, Km 4-5 Carretera Los Cues, Municipio El Marques 76246, Qro, Mexico
来源：
APPLIED OPTICS | 2019年 / 58卷 / 31期
关键词：
AQUEOUS-HUMOR; BLOOD; COEFFICIENT;
D O I：
10.1364/AO.58.008495
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
We describe a highly sensitive optical technique for glucose concentration measurements in liquid samples based on measuring the heights of the primary sidelobes of the normalized intensity profiles of a focused Gaussian beam with high spherical aberration. A singlet lens-shaped container, filled with the sample under test, is used to focus the beam at an observation plane placed dose to the focusing region. The normalized intensity profile of the aberrated beam allows for accurate measurement of the sample glucose concentration. (C) 2019 Optical Society of America
引用
收藏
页码：8495 / 8500
页数：6
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