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Title:SIGNALNI PROCESOR ZA MERJENJE SPREMEMBE DOLŽINE OPTIČNE POTI FABRY-PEROTOVEGA INTERFEROMETRA
Authors:ID Žnideršič, Jurij (Author)
ID Đonlagić, Denis (Mentor) More about this mentor... New window
ID Njegovec, Matej (Comentor)
Files:URL MAG_Znidersic_Jurij_2013.pdf (18,88 MB)
MD5: F147FF7C5BBAFDC1914191D148851F7F
 
Language:Slovenian
Work type:Master's thesis/paper
Typology:2.09 - Master's Thesis
Organization:FERI - Faculty of Electrical Engineering and Computer Science
Abstract:Magistrska naloga opisuje način razločitve merilne veličine optičnih vlakenskih Fabry- Perotovih interferometrov z nizko fineso in z dolžinami med 100 µm in 1 mm. Metoda je zasnovana na uporabi standardnega telekomunikacijskega razvrščevalnika, namenjenega gostemu valovnodolžinskemu razvrščanju. Ta nam omogoča pridobitev vrednosti amplitud optičnih moči pri štirih različnih optičnih frekvencah v odbitem spektru Fabry-Perotovega interferometra. Na podlagi teh vrednosti lahko naredimo nedvoumno in od optične moči neodvisno rekonstrukcijo izvirnega spektra. Iz rekonstruirane karakteristike je nato mogoče nedvoumno določiti merjeno veličino. Kot primer uporabe je izdelan optični merilnik temperature na osnovi vlakenskega Fabry- Perotovega interferometra.
Keywords:optični vlakenski senzor, signalni procesor, Fabry-Perotov interferometer, valovnodolžinski razvrščevalnik
Place of publishing:Maribor
Publisher:[J. Žnideršič]
Year of publishing:2013
PID:20.500.12556/DKUM-42501 New window
UDC:531.715:681.5(043.2)
COBISS.SI-ID:17303574 New window
NUK URN:URN:SI:UM:DK:I25LV5YT
Publication date in DKUM:27.09.2013
Views:2529
Downloads:228
Metadata:XML DC-XML DC-RDF
Categories:KTFMB - FERI
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Secondary language

Language:English
Title:SIGNAL INTEROGATOR FOR ALL FIBER FABRY-PEROT INTERFEROMETER
Abstract:Document describes method for identifying measuring values of all-fiber Fabry-Perot interferometers with low finesse and lengths between 100 µm and 1 mm. Method is based on the use of standard telecommunication demultiplexor for dense wavelength division multiplexing. It allows us to get optical power amplitude values at four different optical frequencies in reflected Fabry Perot interferometer spectra. On the base of these values it is possible to make unambiguously and of optical power independent reconstruction of the source spectra. We can determine measuring value from the reconstructed spectra. As practical application the Fabry Perot optical temperature measurement system was realized.
Keywords:fiber optic sensor, signal interogator, Fabry-Perot interferometer, wavelength division demultiplexor


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