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Laser Components (UK) Ltd.
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114 Parkway,
Chelmsford Essex CM2 7PR
United Kingdom
Phone: +44 1245 491 499
E-Mail:info@lasercomponents.co.uk

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New Scan Dimensions with PSD Arrays

Photonics News No 29

Unbeatably Small and Extremely Fast


230

The new PSD arrays from SiTek are a fast and inexpensive alternative to conventional scanning systems.


Measurement Principle
For distance measurements based on PSDs the triangulation method is used, which is extremely precise.  Here a well-collimated laser or LED beam is directed at a sample surface, and the reflected light is detected using position-sensing detectors.  The beam strikes the individual position-sensing detector at a certain spot, and this position provides the desired information regarding distance.  The array, on the other hand, allows for fast and safe execution of scan tasks when used together with line optics.


Specifications
Scanning is extremely fast because the rise time of the individual PSD elements is less than 100ns.  Deviation of the PSD from its positional linearity is a maximum of 0.2%.  Sixteen-segment components are available as standard PSD arrays.  Customer-specific designs of all types are available upon request.

 


Datasheet:

Manufacturer:
SiTek Electro Optics AB


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Your contact person

Kay Cable

+44 1245 491499

kcable@lasercomponents.co.uk