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how many ohms of resistance would i have to put on the DDL driver for a KES bluray (~40ma)?

On my order of 6 KES-400 lasers i got a KES-410ACA sled, can someone tell me the pinout of the diodes, on the 410 sled there is 2 diodes, 1 has 4 pins in a diamond shape, and the other one has 3 pins like Senkats diodes. Which one is the blue, and what is the other one?

Nvidia showcased a new PC at CES, its an about 6 inch PC, with 1.6Ghz dual core processor, GT9400 chipset graphics, dual link DVI out, 6 USB ports, e-Sata, 1GB ram expandable. All this for 140$!?!?!?! http://www.engadget.com/2009/01/12/nvidia-ion-platform-gets-demonstrated-at-ces/ with the...

I'm Making my first Blu-ray laser and i got some KES 400A diodes cheap since i don't want a burning one yet, since this is my first build i didn't wanna fry a 60$ diode, so i got a few for 20$. What is the max mW on these diodes and does it still drop 6 Volts across even tough its a low power...

What do you guys think it would take to make a laser diode, i know about semiconductor lasers, i looked around on the net and found 1 inch crystals of gallium arsenide, i think it would be a fun project but is it plausible to make one without having a high tech lab? I know the active region in...

im building a 200mw red laser 650nm, and i dont have googles yet, but if i dont put lenses on it, can it still cause eye damage even tough it is unfocused?

i read the laser driver tutorial, but before i start it, i need to know one thing as im a little confused, is the diagram in the tutorial using conventional system(inverted + and -) or electron flow system of showing it, and if it is using the electron flow, the why would the negative lead go...

newegg deal on blu ray burner for around 90 bucks wow, and with free shipping. with the promo code EMCABAGCE it goes down to $77!!!! just wanted to share this, i already ordered one, they probably won't stay in stock for much so get on it. www(.) newegg(.)...

I found this on the wiki while searching some info about laser Diodes and ratings.   Can't post links :p, so just search for Holographic Versatile Disc on wiki or add /wiki/Holographic_Versatile_Disc to the end of wikipedia org Theres gonna be a new kind of Optical Drive Burner coming out that...

Okay so i took a red laser Diode out of a 16X DVD burner, and according to wikipedia, consumer DVD burner diodes are rated at 250mW, so i that right and if it is, what kind of googles should i buy for that? and what is the max output on 16X Diodes?

I have been interested in Lasers for a while, and since now i can make enough money to buy DVD drives and diodes to make lasers i have decided to sign up for laserpointerforums :D i am 16 years old, and i live in maryland, i am very computer savvy and know almost all there is about hardware and...