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Input of X volts to have output power = 30mW?
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 Joined: Sat Jun 16, 2007 2:31 am Posts: 2982 Location: Texas 
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 Input of X volts to have output power = 30mW?How many mW is 3 volts? Additionally, how many volts is 30mW? Also, what is the volt/mW ratio?
You see, I have a class III laser with a max output of <30mW (wavelength = 532nm +-10). It's running on two 1.5V AAA batteries, and I'm sure I can kick the power up quite a bit. I just don't know the conversion factor. Already Googled, didn't see anything. |
| Tue Oct 19, 2010 9:56 pm |
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 Joined: Mon Jun 15, 2009 4:02 pm Posts: 905
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Re: Input of X volts to have output power = 30mW? Alternate title: HEY GUYS HOW DO I LIGHT JOINT WITH LASER?
Clearly a noble endeavour, and don't say you haven't thought it. I don't actually have anything constructive to add, so uh yeah. |
| Tue Oct 19, 2010 10:03 pm |
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Joined: Sat Jun 16, 2007 2:31 am Posts: 2982 Location: Texas
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Re: Input of X volts to have output power = 30mW? Not me desired intention, as I do not have any papers... Or any weed atm.... lol but not a bad idea.
No, in fact, I just want to see how high I can make this go up to and see what all I can burn/pop. |
| Tue Oct 19, 2010 10:05 pm |
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happy carebear mom  Joined: Tue Mar 04, 2008 1:40 am Posts: 7096 Location: b8bbd5
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Re: Input of X volts to have output power = 30mW? A watt (the W there) is not a unit directly convertable to volts unless you also know your amperage.
Watts = Volts X Amps But, if you know the max voltage rating for your diode, then you can try increasing the amperage after getting that many volts. |
| Tue Oct 19, 2010 10:08 pm |
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DRL Developer  Joined: Fri May 15, 2009 10:29 am Posts: 4107 Location: Russia
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Re: Input of X volts to have output power = 30mW? I don't know much about this, but from what I remember it's some bull♥♥♥♥ about if you have amps aswell, you can calculate out the voltage from watts.
Or something like that. I'm not supposed to know this for a year. DAMNIT DUH |
| Tue Oct 19, 2010 10:08 pm |
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 Joined: Tue Jul 21, 2009 4:36 am Posts: 347 Location: The place where asses go to be bad
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Re: Input of X volts to have output power = 30mW? Code: function voltage() V = voltage W = wattage A = amperage //formula V = W/A if V = W/A then V*A = W V/W = A end end Last edited by Joe on Tue Oct 19, 2010 10:21 pm, edited 1 time in total. |
| Tue Oct 19, 2010 10:17 pm |
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Data Realms Elite   Joined: Tue May 25, 2010 8:27 pm Posts: 4521 Location: Constant motion
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Re: Input of X volts to have output power = 30mW? Duh102 wrote: amperage If you mean amplitude, then you are completely correct. I have no idea what kind of amplitude that thing would run at normally, though. |
| Tue Oct 19, 2010 10:18 pm |
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DRL Developer Joined: Fri May 15, 2009 10:29 am Posts: 4107 Location: Russia
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Re: Input of X volts to have output power = 30mW? I'm pretty sure it's called watts, not wattage
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| Tue Oct 19, 2010 10:19 pm |
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Joined: Tue Jul 21, 2009 4:36 am Posts: 347 Location: The place where asses go to be bad
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Re: Input of X volts to have output power = 30mW? @Roast Veg: No, it's amperage all right
@Lizard: the quantity of watts is known as wattage |
| Tue Oct 19, 2010 10:23 pm |
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Joined: Mon Jun 15, 2009 4:02 pm Posts: 905
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Re: Input of X volts to have output power = 30mW? Definitely amperage, and definitely wattage.
Edit: What Joe said, the blasted ninja. |
| Tue Oct 19, 2010 10:23 pm |
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Data Realms Elite Joined: Tue May 25, 2010 8:27 pm Posts: 4521 Location: Constant motion
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Re: Input of X volts to have output power = 30mW? Hmm... I think it must be one of our British-isms. [Hahaha here we make fun of Americisms]
Anyway, I see Watts as a foolish term anyway. I say whack up that voltage and see what happens. |
| Tue Oct 19, 2010 10:27 pm |
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Joined: Sat Jun 16, 2007 2:31 am Posts: 2982 Location: Texas
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Re: Input of X volts to have output power = 30mW? I'll try to find a link of my exact laser. Hold on.
*EDIT* This, pretty much: http://www.dealextreme.com/details.dx/sku.12337 Also, no idea the # of amps. |
| Tue Oct 19, 2010 10:32 pm |
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happy carebear mom Joined: Tue Mar 04, 2008 1:40 am Posts: 7096 Location: b8bbd5
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Re: Input of X volts to have output power = 30mW? Roast Veg wrote: British-isms. ... Anyway, I see Watts as a foolish term anyway. Each quantity has their use. Amplitude is an entirely different quantity that applies to waveforms. |
| Tue Oct 19, 2010 10:37 pm |
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Joined: Sat Jun 16, 2007 2:31 am Posts: 2982 Location: Texas
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Re: Input of X volts to have output power = 30mW? Well if you said:
Watts = Volts X Amps And my max output is <30mw, and my volts i know is 3, can I find my amps? Also, I REALLY doubt I can change the amps. All I can do is change the volts. The laser is encased in metal. |
| Tue Oct 19, 2010 10:38 pm |
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Joined: Tue Jul 21, 2009 4:36 am Posts: 347 Location: The place where asses go to be bad
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Re: Input of X volts to have output power = 30mW? And if you had a high voltage but a low amperage, you would have a very weak laser beam that lasted a long time.
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| Tue Oct 19, 2010 11:25 pm |
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