A beam position sensor for low power infrared laser diodes

Capineri, Lorenzo; Masotti, Leonardo; Mazzoni, Marina; Toci, Guido; Mazzinghi, Piero
February 1999
Review of Scientific Instruments;Feb1999, Vol. 70 Issue 2, p1341
Academic Journal
Presents the design criteria, the prototype development and application results of a low-cost four quadrants infrared detector. Development of the detector as a position sensor for the alignment of low power infrared laser diode beams; Components of the detector; Overall single pixel responsivity; Achievement of an uncertainty in the centroid position.


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