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Sorry for this easiest question (I ve gone through some you tube videos but still would like to ask) If I hook up the laser diode with laser driver is it enough to burn something... I mean - I have a bare laser diode connected to laser driver do I need lenses or collimmator or some optics? My...

Dear All, I am trying to build my first laser driver and I used scheme given for example on this web-Site: Laser driver - It can be done Instead of using 10mF capasitor i just put 2000mF (because this was the one I found at home:) Of course I can go and buy 10mF as shown on the scheme) But...

Hello everybody... Would u please help me with some qurstions... 1) On E-bay i ve seen some laser diodes with 300, 500, 1000, mW power but the prices are only a couple of dollars - no higher than 10$, but in stores or some shops relative prices for mentioned powers are too high ! So what does...