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Can a digital and adjustable LED current driver be used to control a laser diode? What about voltages? say if output voltage is 15v with the driver set to 30mA? will it damage the diode? or just automatically adjust?

So there's these goggles... Od ^9 from 190-375nm's.. Not technically in a 405 bluray lasers wavelength but do they work? They sure appear to block the light... Thanks.

1st one - link - Adjustable Focus Blue Purple Laser Pointer Pen with Safety Key Battery Charger | eBay seller - dantegoods pic - video - eBay BluRay 405nm laser pointer - LASER POWER TEST - 60mw - YouTube YWf56zux_bQ 2nd one - link - Powerful Blue Purple Violet Laser Pointer Pen Beam...

Excuse the dumb question.... but I thought lasers only emitted light in their ONE particular wavelength.... so WHY do I hear about various red/green/blue lasers containing INFRARED light as well??? Someone shine a beam on this please!!

So I've been wanted to order a 405nm diode for a while now... But too impatient with shipping to pull the trigger.... Well.. My blu ray player just died... So I think I solved that problem... Anyone know what might be in it as far as diode specs? I'm guessing 10-20mw but what are average...

Came across this very in depth PDF from toshiba about laser diodes, a LOT of technical info about diodes and testing... Just figured I'd share it in case some of you haven't seen it before... http://www.ele.uva.es/~pedro/optoele/lasers/VLDs_Toshiba.pdf

Might be a dumb question but..... Is it just me? I can't see to find any reference to their color... I see it at work.. But i thought we could only see from about 390-700nm?

Hi guys, getting more interested in lasers. I have a 2 year electro-mechanical tech degree and work as a support tech for a company that makes the arm or "suspension" that holds a read/write head of a hard drive perfectly in place. We use many robots as well as lasers, as the other more...