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Principle of FT Spectrometer based on a Lateral Effect Position Sensitive Detector and Multi Channel Fabry-Perot Interferometer
Mittuniversitetet, Fakulteten för naturvetenskap, teknik och medier, Institutionen för informationsteknologi och medier. (Electronics design division)
Mittuniversitetet, Fakulteten för naturvetenskap, teknik och medier, Institutionen för informationsteknologi och medier. (STC)
Mittuniversitetet, Fakulteten för naturvetenskap, teknik och medier, Institutionen för informationsteknologi och medier. (Electronics design division, STC)
SiTek Electro Opt, S-43330 Partille, Sweden.
Vise andre og tillknytning
2009 (engelsk)Inngår i: Measurement, ISSN 0263-2241, E-ISSN 1873-412X, Vol. 42, nr 5, s. 668-671Artikkel i tidsskrift (Fagfellevurdert) Published
Abstract [en]

The principle of a new type of multi channel Fourier-Transform spectrometer based on a multi channel wedge Fabry-Perot interferometer using a one dimensional lateral effect Position Sensitive Detector and a scanning slit for interferogram readout have been shown. The design of this spectrometer is very compact and the readout electronics very simple. The drawback of using a scanning slit system is minimized by the use of a position sensitive detector where the position is inherently known for each measurement. Experiments show that the position can be resolved with high accuracy and the summation of the two photocurrents gives the interferogram after scanning the slit between the wedge interferometer and the position sensitive detector. The spectral resolution obtained with a 25mm wedge interferometer together with a 45mm position sensitive detector and a 25µm slit is about 5nm around 600nm wavelength range, which is close to the theoretically anticipated resolution. The evaluated spectrometer setup show promising results and could be used in applications where compact and low cost spectrometers are required.

sted, utgiver, år, opplag, sider
2009. Vol. 42, nr 5, s. 668-671
Emneord [en]
Spectrometer, FT, position sensitive detector, PSD, Fabry-Perot interferometer
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Identifikatorer
URN: urn:nbn:se:miun:diva-6460DOI: 10.1016/j.measurement.2008.11.004ISI: 000265776400004Scopus ID: 2-s2.0-63749109798Lokal ID: 5076OAI: oai:DiVA.org:miun-6460DiVA, id: diva2:31499
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STC - Sensible Things that CommunicateTilgjengelig fra: 2008-12-10 Laget: 2008-11-19 Sist oppdatert: 2017-12-12bibliografisk kontrollert

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