
SiTek Electro Optics designs, manufactures and sells state-of-the-art position sensing detectors (PSDs) of the highest value and quality, with the focus on the customer. read more »

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The PSD (Position Sensing Detector) is an opto-electronic device which converts
an incident light spot into continuous position data. It provides outstanding
resolution, fast response and excellent linearity. read more »

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General principles »
Real applications »
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New product
Read more about SiTek PSD-Array

Now we have launched a number of SPC-PSDs.
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