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Naslov:Quasi-distributed long-gauge fiber optic sensor system
Avtorji:Linec, Matjaž (Avtor)
Đonlagić, Denis (Avtor)
Datoteke:URL http://www.opticsinfobase.org/oe/Issue.cfm
 
Jezik:Angleški jezik
Vrsta gradiva:Neznano ()
Tipologija:1.01 - Izvirni znanstveni članek
Organizacija:FERI - Fakulteta za elektrotehniko, računalništvo in informatiko
Opis:This paper presents a quasi-distributed, long-gauge, sensor system for measurement optical path length variation. This system can be directly applied to long gauge strain and/or temperature sensing. The proposed sensor system is comprised of sensing fiber, which is divided into the sensorćs segments separated by semi reflective mirrors made out of standard optical connectors. Short duration radio-frequency modulated optical bursts are launched into the sensing fiber and phase differences among individual reflected bursts are measured to determine the optical path-length variations among neighboring mirrors. Twenty sensing fiber segments were successfully addressed by a single-signal processor, while relying on standard telecommunication PIN diode, and a Fabry Perot laser diode. The resolution of a fiber-length variation better than 5 ìm was demonstrated in practice. Since the long sections of fiber can be employed for constructing individual sensors within the sensor's array, a microstrain resolution can be achieved in practice. The drift of the sensorćs system can be predominantly attributed to the temperature sensitivity of the electronic components, which proved to be below 20 um/°C. The entire system relies on simple and widely-used components that are low-cost.
Ključne besede:fiber optic systems, fiber optics sensors, sensing fiber, long-gauge, strain sensing, temperature sensing, optoelectronics
Leto izida:2009
UDK:681.586.5
COBISS_ID:13292822 Povezava se odpre v novem oknu
ISSN pri članku:1094-4087
Število ogledov:1134
Število prenosov:34
Metapodatki:XML RDF-CHPDL DC-XML DC-RDF
Področja:Ostalo
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Gradivo je del revije

Naslov:Optics express
Skrajšan naslov:Opt. express
Založnik:Optical Society of America
ISSN:1094-4087
COBISS.SI-ID:8636438 Novo okno

Sekundarni jezik

Jezik:Angleški jezik
Ključne besede:senzorji, optični senzorji, optična vlakna, senzorska vlakna, fotonika, optične komunikacije, optoelektronika


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