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Details van artikel 51 van 86 gevonden artikelen
| Titel: |
Impact of Stray Illumination Noise on the Position Response of Position-Sensitive Devices |
| Auteur: |
S. Iqbal M.M.S. Gualini K. Rashid |
| Verschenen in: |
Journal of applied sciences |
| Paginering: | Jaargang 6 (2006) nr. 3 pagina's 682-687 |
| Jaar: |
2006 |
| Inhoud: |
Position-sensitive Devices (PSDs) are often used in the industrial environment, where the system light source used for position measurement is co-existing with many other light sources in the vicinity, along with their reflections and back-scatters from various surfaces. These unavoidable stray beams and illumination noises may fall on the detector surface in different spatial distributions and produce unpredicted variations in their position response. Some of the light sources may even have flying or rotating beams of sufficient energy. In this study, attempt was made to model and analyze these stray noises with respect to the operation of PSDs. Thus it was investigated how the presence of the spurious sources changes the behaviour of these detectors and how much is the position output modified quantitatively. The experimental results obtained by using PSDs and signal beams along with the spurious sources are presented. The obtained data is compared with the results from the proposed mathematical model to be within fraction of a percent of error. |
| Uitgever: |
Asian Network for Scientific Information (provided by DOAJ) |
| Bronbestand: |
Elektronische Wetenschappelijke Tijdschriften |
Details van artikel 51 van 86 gevonden artikelen
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