Radiation-hardened optical fibers for low-temperature high-dosage environments

1992 ◽  
Author(s):  
A. E. Miller ◽  
M. F. Yan ◽  
H. A. Watson ◽  
K. T. Nelson
Keyword(s):  
Low Temperature ◽  
Optical Fibers ◽  
Radiation Hardened

Three-dimensional fluidic microsystem fabricated in Low Temperature Cofired Ceramic Technology

2006 ◽  
Vol 3 (3) ◽  
pp. 145-151 ◽  
Author(s):  
Leszek J. Golonka ◽  
Tomasz Zawada ◽  
Henryk Roguszczak ◽  
Karol Malecha ◽  
Michal Chudy ◽  
...  
Keyword(s):  
Low Temperature ◽  
Optical Fibers ◽  
Temperature Sensor ◽  
Light Transmission ◽  
Three Dimensional ◽  
Microfluidic System ◽  
Ceramic Technology ◽  
Fluorescence Measurements ◽  
Computational Fluid Dynamics Simulations ◽  
Dynamics Simulations

A three-dimensional (3D) Low Temperature Cofired Ceramics (LTCC) fluidic microsystem integrated with an optical detection unit is presented in this article. The structure is applied to quantitative analysis of chemical compounds using colorimetric methods. The fabricated microfluidic system consists of a serpentine mixer, fluidic channels, heater, embedded temperature sensor and integrated optical fibers for detection of light transmission and/or fluorescence. A new inexpensive material for the embedded temperature sensor is described. The fluidic system is designed using computer CFD (Computational Fluid Dynamics) simulations. Fluid flow in the mixer is observed through a transparent polymer material bonded to the LTCC structure. The importance of positioning of optical fibers and their influence on the absorbance and fluorescence measurements is presented.

Investigation on Brillouin Frequency Spectrum of Optical Fibers under Ultra-low Temperature

Optik ◽  
2021 ◽  
pp. 168442
Author(s):  
Xiaonv Wu ◽  
Hao Feng ◽  
Jiawei Li ◽  
Jingchuan Zhang ◽  
Zhou Sha
Keyword(s):  
Low Temperature ◽  
Frequency Spectrum ◽  
Optical Fibers
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