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25W laser diode schematics

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jnbortka

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I found this diode on amazon OSRAM - SPLPL90 - DIODE, LASER, 905NM, 25W
Please spare me the safety speech, I know this is an extremely powerful laser. Would someone please assist me with making a schematic for it? I don't know the values needed for the battery(s), resistors, or capacitors. I'm not very good with the math aspect of electronics. Thank you in advance!
 
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Tmack

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40a current and 11rad divergence. Wtf?
 
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Blarg King

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I'm sorry to break this to you, but thats totally fake.

1) That picture looks like an LED(?), laser diodes have 3 short pins, not 2 long legs
2) Pretty sure the most powerful laser diodes you can get (easily) are rated at 3.5 Watts
3) Even if it was 25 Watts, it would cost way more than 65$\

Also good luck finding portable batteries that can deliver 40 Amps.
 

Blarg King

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Huh. Well color me surprised. But nowhere on that Amazon product page does it say its pulsed.

So it is 25 watts...for 1 to 100 nanoseconds.
 

Cyparagon

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These have been discussed many, many times in the past. They are for rangefinders or similar and average 10-30mW. It is not what you want.
 
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I'm sorry to break this to you, but thats totally fake.

1) That picture looks like an LED(?), laser diodes have 3 short pins, not 2 long legs
2) Pretty sure the most powerful laser diodes you can get (easily) are rated at 3.5 Watts
3) Even if it was 25 Watts, it would cost way more than 65$\

Also good luck finding portable batteries that can deliver 40 Amps.
1) I've worked with laser diodes with 4 legs, 3 legs, and 2 legs. The 685nm diodes have just that, 2 long legs.

Also c-mounts have no legs, and TO3's have like 8 legs or something (don't quote me on that).

Legs means nothing really. I have seen 5.6mm diodes with 2-4 legs :)



2) You can easily get diodes 5-10W and beyond in 808nm. Easily available, and not even terribly expensive. You can get a 10W 808nm here for about the same cost as a well made 445nm full laser.

Just saying, best to not generalize.




3) I agree :)
 
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