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Title:SISTEM ZA PORAZDELJENO ZAZNAVANJE PRISOTNOSTI NA OSNOVI PLASTIČNEGA OPTIČNEGA VLAKNA
Authors:ID Lešnik, Dejan (Author)
ID Đonlagić, Denis (Mentor) More about this mentor... New window
Files:.pdf UNI_Lesnik_Dejan_2011.pdf (2,51 MB)
MD5: ACE73B4DBA8651877DE108761FE389C9
PID: 20.500.12556/dkum/3879e1a9-5f1e-4da4-bec7-f819b5753385
 
Language:Slovenian
Work type:Undergraduate thesis
Organization:FERI - Faculty of Electrical Engineering and Computer Science
Abstract:V diplomskem delu je opisan sistem za zaznavanje rodovnih interferenčnih vzorcev v plastičnih optičnih vlaknih. Opisana je tudi izgradnja sistema, ki opazuje spremembe v medrodovnem interferenčnem vzorcu in iz teh sprememb prepozna mehanske vplive na optično vlakno. Za izgradnjo tega sistema je bilo potrebno izdelati rodovni filter. Plastična optična vlakna z manjšim premerom imajo manj rodov, zato smo plastično vlakno s premerom 1mm raztegnili in mu s tem premer zmanjšali. V ta namen smo naredili napravo, ki vlakno segreje in ga razteguje do želenega premera. Izdelano nalogo smo testirali kot varnostni sistem, ki nadzoruje prisotnost vsiljivca v prostoru.
Keywords:POF, plastična optična vlakna, raztegovanje plastičnih vlaken, medrodovni interferenčni vzorec, senzor
Place of publishing:Maribor
Publisher:[D. Lešnik]
Year of publishing:2011
PID:20.500.12556/DKUM-17318 New window
UDC:681.586.5(043.2)
COBISS.SI-ID:15900950 New window
NUK URN:URN:SI:UM:DK:K2HFAI3N
Publication date in DKUM:31.01.2012
Views:1881
Downloads:175
Metadata:XML RDF-CHPDL DC-XML DC-RDF
Categories:KTFMB - FERI
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Secondary language

Language:English
Title:DISTRIBUTED PRESENCE SENSING SYSTEM BASED ON PLASTIC OPTICAL FIBER
Abstract:In this diploma we explained mode far-field interference patterns on the end of plastic optical fibers. We also describe the construction of a system that observes changes in the mode interference pattern and from this changes identifies the mechanical effects on the optical fiber. To build this system, it was necessary to produce mode filter. The standard plastic optical fiber with diameter of 1mm was heated and stretched in order to decrease fiber diameter. For that purpose the computer controlled device was developed. This system was used for development of security system for presence detection in the room.
Keywords:POF, plastic optical fiber, stretching optical fiber, mode interference pattern, sensor, speckle interferometry


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