Nano Second Laser Diode Driver STANLEY a MEYER Nano Bubble Water Fuel
Gas Processor & Ionisation · 586 views on PCBWay · published 2025-12-25
Nano Second Laser Diode Driver STANLEY a MEYER Nano Bubble Water Fuel # Avalanche Laser Diode Driver ***Avalanche Laser Diode Driver*** Join Us This is a PCB for a home made Avalanche Laser diode driver.
This is capable of driving Laser diodes with high peak power, and nanosecond pulse duration.
There is a video on this topic here:  This has been verified with the following diodes: M140 2W NUBM05/08 3.5W NUBM47 7W This has also been tested with the NUGM04 520nm 1.35W Laser diode!  ***Requirements*** To use this circuit, you will need a high voltage power supply.
I used a small Nixie Tube inverter which are rally common on ebay.
I replaced the onboard trimpot with a potentiomenter so that voltage could be varied from ~80v to 200v You will also need a suitble functiona generator to trigger the pulser.
The waveform should have a duration of 1uS and in my experience the Avalanache driver can be run from 1 hZ to over 10kHz without issues.
To measure current, you need a suitably fast oscilloscope (1GHz at least) with a 50 Ohm input impedence.
The scaling is 10/500mV or 20A per volt. ***PCB*** This design is inspired by this paper, among others, but uses a common transistor in Avalanche mode to do the work!  The schematic above shows the overall deign of the Avalanche driver.
C1 through C6 are ceramic caps, 47pF each, rated at 500v.
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Gas processor and ionisation hardware — LED arrays, optics, intake and EGR conditioning ahead of the burn. The gerbers are open — order one board or fifty, at PCBWay's price. Secure Supplies sells the build manuals, wound VIC assemblies, kits and direct build support.
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