Position sensing detector includes anti-reflective coating

12th February 2016
Posted By : Jordan Mulcare
Position sensing detector includes anti-reflective coating

Position Sensing Detectors (PSDs) are commonly used to detect incident or diffuse light in the wavelength range of 400-1100nm. In applications where there is a large amount of background light this can cause noise in the system which could affect the accuracy of your measurement.

To compensate for noise and increase positional accuracy we can incorporate either an Anti-Reflective (AR) coating or a filter onto the PSD window, or include both on the same PSD if required.

By incorporating these options into your PSD users will benefit from decreased noise and increased accuracy without adding anything in terms of size to your system, which can be very advantageous where space and weight is concerned. The window is pre-assembled to the PSD so no device assembly is required.

Many users have found having their PSDs built with an integrated filter or coating makes the devices even easier to include in their system as they no longer have to concern themselves with arranging filters and other optics in front of the detectors.


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