Low-cost PIV, pulsed laser illumination update

An updated version of my 5W pulsed diode laser module is finished... I changed the PCB and I am now using a dedicated pulsed laser driver chip. There was not really an urgent need to do this, but this chip seemed very sexy. Unfortunately, this is only available as QFN package, but soldering still worked like a charm.


Typical PIV application (5 W version):
  • Water: velocities up to 2.5 m/s and illuminated area up to 300 x 200 mm
  • Air: velocities up to 1.5 m/s and illuminated area up to 200 x 150 mm


There is raw PIV image data available for you to download here:
The datasheet is available here.






 

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