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2 votes
2 answers
200 views

Powering on a laser diode that exceeds PSU max current

I have a laser diode that I want to test (just seeing if it turns on). However, the threshold current is past the 10A that my bench power supply can supply, hence I can't generate any light. How can I ...
AnttiP's user avatar
  • 209
0 votes
0 answers
89 views

Feedback from a 100 W laser power supply

I built a 100 W laser cutter from scratch using a controller from a small laser cutter I had before (Open Builds Blackbox 4x). It worked with no problems, but I'm going from a 7 W laser to a 100 W ...
Michael Suits's user avatar
-1 votes
1 answer
127 views

Build plans for a PSU 13.56 MHz 300 W - 1000 W with adjustable voltage between 200 V - 500 V

This is a kind of continuation of a previous thread Howto: RF HV power supply (13,56 MHz, ~30 kV - 50 kV, 1 kW - 3 kW) I made the assumption that the voltage for exciting plasma with DC co-relates to ...
wakkaluba's user avatar
2 votes
0 answers
253 views

Howto: RF HV power supply (13,56 MHz, ~30 kV - 50 kV, 1 kW - 3 kW)

I hope you can help me on this one. Short recap about me, I am a maker and I had a vocational education some 30 years ago as engineer in HV (up to 48kV) in industrial facilities. So I am aware of the ...
wakkaluba's user avatar
3 votes
1 answer
369 views

85W laser array driver circuit

I have an OSRAM 85W 450nnm laser array. It's essentially a large 'chip' with 24 integrated laser diodes (break it down they're approx 3.5W diodes each.) The Chinese source I purchased it from also ...
psivosbi's user avatar
0 votes
1 answer
754 views

Is an exhausted PSU safe to use for an FPGA? [closed]

For a project I will have 4 stepper motors,a laser module and few modules attached to the FPGA. I need around 10 amps. Clearly the FPGA can't provide enough power for all the modules. I think to use ...
O.Rares's user avatar
  • 103
0 votes
1 answer
588 views

Common cathode laser diode pin connections

I have a question relating to the operation of a laser diode within an optical pickup head that includes both a laser diode and photodiode. The Optical pickup head is the HOP-1200W and I am ...
ConfusedCheese's user avatar
0 votes
1 answer
329 views

CAM 5 LASER CUTTER : needing to change the laser tube [closed]

My boss and I discovered that one of the laser tube needs to be changed, and when we figured which one needed it, I told him not to touch the red wire, that there may still be power in it. Well he did,...
Josh Blackburn's user avatar