Characterization of Rectangular Glass Microcapillaries by Low-Coherence Reflectometry

被引：14
|
作者：
Carpignano, Francesca [1 ]
Rigamonti, Giulia [1 ]
Merlo, Sabina [1 ]
机构：
[1] Univ Pavia, Dipartimento Ingn Ind & Informaz, I-27100 Pavia, Italy
来源：
IEEE PHOTONICS TECHNOLOGY LETTERS | 2015年 / 27卷 / 10期
关键词：
Optical low-coherence reflectometry; distance measurements; glass rectangular micro-capillary; infrared radiation; refractive index measurements; WHITE-LIGHT INTERFEROMETRY; ENVELOPE DETECTION; SPECTRAL-DOMAIN; HALOGEN LAMP; TOMOGRAPHY; FIBER;
D O I：
10.1109/LPT.2015.2407271
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
We report the functionality of optical low-coherence reflectometry (OLCR) to characterize glass micro-capillaries with 50-mu m deep rectangular cross section, in view of their application as microoptofluidic devices. We exploited infrared radiation generated by a tungsten lamp in a time-domain low-coherence interferometer based on a fiberoptic Michelson scheme. OLCR allowed us to easily detect the optical distance between in-depth interfaces of the capillary as well as the refractive index of ethylene glycol solutions in water at different concentrations, which were inserted into the channel by capillary action.
引用
收藏
页码：1064 / 1067
页数：4
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