Type

Journal Article

Authors

Gerald Farrell
Qiang Wu
Yuliya Semenova
Ming Ding
Gilberto Brambilla
Pengfei Wang

Subjects

Engineering

Topics
electromagnetics and photonics electrical and computer engineering ratiometric system wavelength measurement ratiometric measurement laser irradiation fiber comb filter edge filter

The Use of a Fiber Comb Filter Fabricated By a CO2 Laser Irradiation to Improve the Resolution of a Ratiometric Wavelength Measurement System (2012)

Abstract An edge filter-based ratiometric wavelength measurement system is modeled and analyzed in this paper. The results confirm that the noise of input signal and photodetectors limits the resolution of the wavelength measurement system. The achievable resolution is calculated for a given noise level of the input signal and photodetectors' resolution. An improved ratiometric wavelength measurement system consisting of two fiber comb filters is presented both theoretically and experimentally, which performs coarse and fine wavelength measurements simultaneously. The resolution of the system is significantly improved to better than 5 pm while maintaining the potential for high measurement speed and wide measurable wavelength range.
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Full list of authors on original publication

Gerald Farrell, Qiang Wu, Yuliya Semenova, Ming Ding, Gilberto Brambilla, Pengfei Wang

Experts in our system

1
Gerald Farrell
TU Dublin
Total Publications: 212
 
2
Qiang wu
TU Dublin
Total Publications: 90
 
3
Yuliya Semenova
TU Dublin
Total Publications: 136
 
4
Gilberto Brambilla
TU Dublin
Total Publications: 24
 
5
Pengfei Wang
University of Limerick
Total Publications: 114