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Titolo:
TEMPERATURE-INDEPENDENT STRAIN SENSOR SYSTEM USING A TILTED FIBER BRAGG GRATING DEMODULATOR
Autore:
KANG SC; KIM SY; LEE SB; KWON SW; CHOI SS; LEE B;
Indirizzi:
KOREA ADV INST SCI & TECHNOL,PHOTON RES CTR SEOUL 130650 SOUTH KOREA SEOUL NATL UNIV,SCH ELECT ENGN SEOUL 151742 SOUTH KOREA
Titolo Testata:
IEEE photonics technology letters
fascicolo: 10, volume: 10, anno: 1998,
pagine: 1461 - 1463
SICI:
1041-1135(1998)10:10<1461:TSSSUA>2.0.ZU;2-V
Fonte:
ISI
Lingua:
ENG
Keywords:
DUAL HEAD SENSOR; FIBER BRAGG GRATING SENSOR DEMODULATION; TEMPERATURE DISCRIMINATION IN FIBER BRAGG GRATING; SENSOR; TILTED FIBER BRAGG GRATING;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Science Citation Index Expanded
Science Citation Index Expanded
Citazioni:
10
Recensione:
Indirizzi per estratti:
Citazione:
S.C. Kang et al., "TEMPERATURE-INDEPENDENT STRAIN SENSOR SYSTEM USING A TILTED FIBER BRAGG GRATING DEMODULATOR", IEEE photonics technology letters, 10(10), 1998, pp. 1461-1463

Abstract

We experimentally demonstrate a new approach for the demodulation of a fiber Bragg grating (FBG) strain sensor by combining a tilted FBG demodulator with a temperature-independent property and a dual head FBG sensor with a temperature-discriminating property. This technique guarantees a stable measurement independent of temperature perturbation atboth sides of sensor and demodulator without any additional temperature-isolation or temperature-referencing process and has the minimum resolvable strain of 10 mu strain. The ranges of operating temperature at the sensor and at the demodulator which guarantee a dynamic range of1800 mu strain corresponding to the wavelength difference 2.2 nm between two notches of the tilted FBG spectrum are from room temperature to 180 degrees C and 140 degrees C, respectively.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 30/09/20 alle ore 12:20:20