Product category:
Proximity Sensors
News Release from: IFM Electronic | Subject: Efector PMD laser sensor
Edited by the Engineeringtalk Editorial
Team on 31 January 2006
Measuring light aids distance
calculations
PMD laser sensor can measure distances to within a millimetre at high ranges by calculating the time transmitted light takes to travel to the object and back to the sensor.
The Efector PMD laser sensor from IFM Electronic is for distance measurement to within a millimetre at high ranges It operates to the time-of-flight principle: transmitted light takes a certain time to travel to the object and back to the sensor
This period of time is directly proportional to the distance travelled.
Traditional time-of-flight sensors use a photodiode as receiver element.
Additional external electronics is used for signal acquisition and processing.
In comparison, the PMD sensor's receiver element is a system-on-chip design.
Both sensor element and electronics for signal evaluation are integrated on one silicon chip called a photonic mixer device (PMD).
This sensor element contains an on-chip, time-of-flight measurement system with industrial feasibility. Request a free brochure from IFM Electronic ...
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