Improving the measurement accuracy of CRD fibre amplified loop gas sensing system by using a digital LMS adaptive filter

被引：24

作者：

Ni, N. ^{[1
]}

Chan, C. C. ^{[1
]}

机构：

[1] Nanyang Technol Univ, Sch Chem & Biomed Engn, Singapore 639798, Singapore

来源：

MEASUREMENT SCIENCE AND TECHNOLOGY | 2006年 / 17卷 / 08期

关键词：

cavity ring-down fibre amplified loop gas sensing system; digital least mean square ( LMS) adaptive filter; amplified spontaneous emission (ASE) noise; measurement accuracy;

D O I：

10.1088/0957-0233/17/8/042

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

A mathematical model of a cavity ring-down (CRD) fibre amplified loop gas sensing system is initially proposed. A digital least mean square (LMS) adaptive filter is designed and demonstrated the reduction of the detection error due to an amplified spontaneous emission (ASE) noise which is induced by an erbium doped fibre amplifier (EDFA) in the CRD loop. The simulation results show that the detection error of 16 ppm is obtained.

引用

页码：2349 / 2354

页数：6

共 10 条

[1] ARYA V, THESIS VIRGINIA POLY
[2] ATHERTON K, 2002, OPT FIBR SENS C, V1, P581
[3] BUSCH KW, 1999, CAVITY RINGDOWN SPEC
[4] Study on noise characteristic of gain-clamped erbium-doped fiber-ring lasing amplifier
Cai, M
Liu, XM
Cui, JC
Tang, PS
Peng, JD
[J]. IEEE PHOTONICS TECHNOLOGY LETTERS, 1997, 9 (08) : 1093 - 1095
[5] IMPROVED AVERAGE POWER ANALYSIS TECHNIQUE FOR ERBIUM-DOPED FIBER AMPLIFIERS
HODGKINSON, TG
[J]. IEEE PHOTONICS TECHNOLOGY LETTERS, 1992, 4 (11) : 1273 - 1275
[6] IFEACHOR EC, 2002, DIGIT SIGNAL PROCESS, P645
[7] DEPENDENCE OF OPTICAL AMPLIFIER NOISE-FIGURE ON RELATIVE-INTENSITY-NOISE
JACOBS, I
[J]. JOURNAL OF LIGHTWAVE TECHNOLOGY, 1995, 13 (07) : 1461 - 1465
[8] The HITRAN 2004 molecular spectroscopic database
Rothman, LS
Jacquemart, D
Barbe, A
Benner, DC
Birk, M
Brown, LR
Carleer, MR
Chackerian, C
Chance, K
Coudert, LH
Dana, V
Devi, VM
Flaud, JM
Gamache, RR
Goldman, A
Hartmann, JM
Jucks, KW
Maki, AG
Mandin, JY
Massie, ST
Orphal, J
Perrin, A
Rinsland, CP
Smith, MAH
Tennyson, J
Tolchenov, RN
Toth, RA
Vander Auwera, J
Varanasi, P
Wagner, G
[J]. JOURNAL OF QUANTITATIVE SPECTROSCOPY & RADIATIVE TRANSFER, 2005, 96 (02) : 139 - 204
[9] An investigation of an optical fibre amplifier loop for intra-cavity and ring-down cavity loss measurements
Stewart, G
Atherton, K
Yu, HB
Culshaw, B
[J]. MEASUREMENT SCIENCE AND TECHNOLOGY, 2001, 12 (07) : 843 - 849
[10] Trace gas analysis by diode laser cavity ring-down spectroscopy
Yan, WB
Krusen, C
Optics, T
Dudek, J
Lehmann, K
Rabinowitz, P
[J]. 2002 IEEE/SEMI ADVANCED SEMICONDUCTOR MANUFACTURING CONFERENCE AND WORKSHOP: ADVANCING THE SCIENCE OF SEMICONDUCTOR MANUFACTURING EXCELLENCE, 2002, : 319 - 323

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