M140 Diode 2 Watt setup ?

[moritz]

How do you setup a M140 2 watt Blue laser diode?`

i have mine running with 4.9 Volt and 1,6 A with TTL Driver but the burning power is half of my 12V 2.5Watt Eleksmaker without TTL ??

[Lob0426]

If you are seeing that low it could be a lens problem. It could be that it is a 1.8W M140 instead of 2W. They show some of the tested outputs of 2W M140's using a G2 lens.
https://sites.google.com/site/dtrlpf/home/diodes/445-m140-didoes

same tests with 1.8 W M140's
https://sites.google.com/site/dtrlpf/home/diodes/445nm-h1650-diodes

[moritz]

probably i found the reason i have ,made the Testload with 4 Diode 1N5404 / 3A 400V   versus the needed 1N4004 1A / 400V it was prescribed by the 100$ 2.8 Watt Laser PDF

now on your link i found the prescription to use the 4004 Diodes so i will make a new Testload to see if my Current settings was to low..

[Lob0426]

Quite a bit of information in that site, just not easy to find it!

[moritz]

damn little chinese ttl Boards the wayle ..killes me 3 Diodes in 4 weeks..😈 was running at 1.7A and 4.9 V...best cooling with 2 fan at full power...or my M140 seller has crapy stuff