- Joined
- May 28, 2008
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- 14
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After owning a Wickedlaser for some time now, I decided I wanted to build my own DVD laser. I ordered two of these preinstalled sony diode aixiz modules at stonetek (can't post links on this forum I guess), and followed the instructions to make the voltage controller here from Daedal
While I was waiting on the diode to come in I soldered up the voltage controller and verified that I was getting 44 to 375mA of current (I used a 3.33 + 0-25 ohm resistance setup), and everything worked great. Once I got the laser diode in, I hooked it up with a ammeter in series and everything electrically worked just fine, with the same current as before with a voltage drop of 2 to 3V. Instead of seeing a blinding red light, I saw a dim one, that grew only slightly brighter as a I upped the current. To make sure it wasn't that diode or my power supply, I grabbed a 9V battery with a 150 ohm resistor and hooked it up to the second diode, drawing around 60mA of power, and got the same result.
I'm new to making lasers, but I'm a third year college electrical engineer so I know a decent amount about the circuitry. Does anyone have any ideas of what's going on or what to try? I'm going to call Stonetek pretty soon if I can't get it working.
Also, on another note, I'm a little confused about the aixis module. With the dim red light I had, I could not get a decent beam. The further I screwed in the lens, the closer my focal point became, and even with it almost all the way unscrewed I couldn't get a strait beam like you would expect from a laser.
Thanks in advance for everything, I love this forum and have been reading everything on it!
While I was waiting on the diode to come in I soldered up the voltage controller and verified that I was getting 44 to 375mA of current (I used a 3.33 + 0-25 ohm resistance setup), and everything worked great. Once I got the laser diode in, I hooked it up with a ammeter in series and everything electrically worked just fine, with the same current as before with a voltage drop of 2 to 3V. Instead of seeing a blinding red light, I saw a dim one, that grew only slightly brighter as a I upped the current. To make sure it wasn't that diode or my power supply, I grabbed a 9V battery with a 150 ohm resistor and hooked it up to the second diode, drawing around 60mA of power, and got the same result.
I'm new to making lasers, but I'm a third year college electrical engineer so I know a decent amount about the circuitry. Does anyone have any ideas of what's going on or what to try? I'm going to call Stonetek pretty soon if I can't get it working.
Also, on another note, I'm a little confused about the aixis module. With the dim red light I had, I could not get a decent beam. The further I screwed in the lens, the closer my focal point became, and even with it almost all the way unscrewed I couldn't get a strait beam like you would expect from a laser.
Thanks in advance for everything, I love this forum and have been reading everything on it!