Short-range contactless laser sensor
2017 IEEE INTERNATIONAL INSTRUMENTATION AND MEASUREMENT TECHNOLOGY CONFERENCE (I2MTC)(2017)
Abstract
In this paper is shown all the process is needed to build a laser sensor, developed specifically for very short distance with a very compact size. Only the laser chip, a red VCSEL laser without any lens, makes the sensor. Features of this contactless sensor is a dynamic of measurement of 3 mm starting at 2 mm up to 5 mm with a resolution of 10 μm measuring continuously at 6.6 kHz. This sensor can be exploited in applications in harsh environments where the size of the sensor is challenging.
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Key words
Optical interferometry, Optoelectronic and photonic sensors, Laser velocimetry, Optical sensors
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