Drift in LED based Photometer

Bidragets oversatte titel: Drift i LED baserede fotometre

Kasper Paasch, Günter Tittelbach, Thomas Peschel

Publikation: Kapitel i bog/rapport/konference-proceedingKonferencebidrag i proceedingsForskningpeer review

Abstract

During the development of a low cost industrial optical sensor an unexpected drift phenomenon has shown to be critical to performance. The sensor is based on LED's as light sources and the main source of error could be tracked to the instability of the spatial radiation pattern of the LED's. This instability due to the construction of the sensor introduced an error in the intensity feedback loop. Alternative designs including a Y-coupler, a scattering arrangement and a mirror beam splitter have been investigated and the results are presented.
Bidragets oversatte titelDrift i LED baserede fotometre
OriginalsprogEngelsk
TitelOptomechanical Engineering and Vibration Control
RedaktørerEddy A. Derby, Colin G. Gordon, Daniel Vukobratovich, Paul R. Yoder, Carl H. Zweben
ForlagSPIE - International Society for Optical Engineering
Publikationsdato1999
Sider534-544
DOI
StatusUdgivet - 1999
Udgivet eksterntJa
BegivenhedSPIE conference: Optomechanical Engineering and Vibration Control - Denver Convention Center, Denver, USA
Varighed: 27. sep. 199930. sep. 1999
Konferencens nummer: 534

Konference

KonferenceSPIE conference: Optomechanical Engineering and Vibration Control
Nummer534
LokationDenver Convention Center
Land/OmrådeUSA
ByDenver
Periode27/09/199930/09/1999
NavnProceedings of SPIE, the International Society for Optical Engineering
Vol/bind3786
ISSN0277-786X

Emneord

  • LED

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