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Metoda merenja talasne dužine monohromatske svetlosti primenom spektralno osetljivih optičkih komponenti

Method of measuring monochromatic light wavelength by using wavelengthsensitiveoptical components

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2019
Disertacija.pdf (3.907Mb)
IzvestajKomisije.pdf (386.2Kb)
Author
Ana, Joža
Mentor
Bajić, Jovan
Committee members
Damnjanović, Mirjana
Kovačević, Milan
Trpovski, Željen
Sekulić, Dalibor
Bajić, Jovan
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Abstract
U ovoj doktorskoj disertaciji dat je predlog nove metode za merenje talasne dužine monohromatske svetlosti pomoću spektralno osetljivih optičkih komponenti. Princip rada predložene metode se zasniva na kombinovanju spektralnih osetljivosti fiber-optičke račve i dva različita fotodetektora. Izvršena je implementacija i karakterizacija senzorskog sistema za merenje talasne dužine monohromatske svetlosti. U eksperimentalnoj postavci korišćena je 2×2 fiber-optička račva, germanijumska (Ge) fotodioda i indijum-galijum-arsenid (InGaAs) fotodioda. Postignuta je linearnost sa faktorom korelacije R2=0.99942 i merna rezolucija od 17 pm u opsegu talasnih dužina svetlosti od 1575 do 1615 nm (L-opseg). U istom opsegu, dobijena je merna greška od približno ±0.2 nm i ponovljivost od ±0.16 nm. Ispitani su uticaji promena temperature, snage optičkog izvora i šuma na karakteristike senzorskog sistema.
In this thesis, a new method for measurement of monohromatic light wavelength by using wavelength-dependent optical components is proposed. The principle of operation of the proposed method is based on combining spectral sensitivities of fiber-optic coupler and two different photodetectors. Sensor system for measurement of monochromatic light wavelength is implemented and characterized. Experimental setup consists of 2×2 fiberoptic coupler, germanium (Ge) photodiode and indium-gallium-arsenide (InGaAs) photodiode. Excellent linearity (R2=0.99942) and measurement resolution of 17 pm are achieved in measurement range 1575-1615 nm (Lband). In the same measurement range, measurement error of approximately ±0.2 nm and repeatibility of ±0.16 nm are obtained. The influence of temperature, optical source power and noise on sensor system characteristics is investigated.
Faculty:
University of Novi Sad, Faculty of Technical Science
Date:
12-09-2019
Keywords:
Senzorski sistem / Sensor system / fiber-optička račva / fotodetektori / talasna dužina monohromatske svetlosti / fiber-optic coupler / photodetectors / monochromatic lightwavelength
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https://www.cris.uns.ac.rs/DownloadFileServlet/Disertacija156033625122927.pdf?controlNumber=(BISIS)110768&fileName=156033625122927.pdf&id=12981&source=NaRDuS&language=sr
http://nardus.mpn.gov.rs/handle/123456789/11333
https://www.cris.uns.ac.rs/record.jsf?recordId=110768&source=NaRDuS&language=sr
https://www.cris.uns.ac.rs/DownloadFileServlet/IzvestajKomisije156033628564158.pdf?controlNumber=(BISIS)110768&fileName=156033628564158.pdf&id=12982&source=NaRDuS&language=sr

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