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Old 12-27-2010, 06:06 AM #1
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Default Most powerful 445nm laser diode?

Is nichia 1W the most powerful 445nm laser diode? Someone build a 3.2W 445nm labby according to one of the post. So i just wanted to ask around and see if there are really such powerful laser diodes.


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Old 12-27-2010, 06:26 AM #2
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Default Re: Most powerful 445nm laser diode?

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Originally Posted by Hank View Post
Is nichia 1W the most powerful 445nm laser diode? Someone build a 3.2W 445nm labby according to one of the post. So i just wanted to ask around and see if there are really such powerful laser diodes.
Yeah 445nm can go up to 3.2W Labby and members can make you a 2W 445nm hand held If you pay them to make it for you.
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Old 12-27-2010, 06:32 AM #3
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Default Re: Most powerful 445nm laser diode?

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Yeah 445nm can go up to 3.2W Labby and members can make you a 2W 445nm hand held If you pay them to make it for you.

Thanks for your response. Just to clarify, are you talking about pushing the 1W 445nm laser diode to 2W and even 3.2W? or are you talking about a different diode?
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Old 12-27-2010, 06:35 AM #4
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Default Re: Most powerful 445nm laser diode?

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Thanks for your response. Just to clarify, are you talking about pushing the 1W 445nm laser diode to 2W and even 3.2W? or are you talking about a different diode?
Honestly I'm still to green to lasers to answer that. I think tho that yes you need a better diode to push the higher end. I think it's called a 12x for the 445nm that push the high end W's. But don't quot me on it.
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Old 12-27-2010, 06:43 AM #5
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Default Re: Most powerful 445nm laser diode?

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Yeah 445nm can go up to 3.2W Labby and members can make you a 2W 445nm hand held If you pay them to make it for you.
That 3.2W labby uses several diodes combined with optics to achieve that power.

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Originally Posted by Krogith View Post
Honestly I'm still to green to lasers to answer that. I think tho that yes you need a better diode to push the higher end. I think it's called a 12x for the 445nm that push the high end W's. But don't quot me on it.
The 12x is a 405nm blu-ray diode, it's an entirely different color. You'll be lucky to hit 2W or more with a single diode and a good lens.
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Old 12-27-2010, 04:40 PM #6
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Default Re: Most powerful 445nm laser diode?

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That 3.2W labby uses several diodes combined with optics to achieve that power.



The 12x is a 405nm blu-ray diode, it's an entirely different color. You'll be lucky to hit 2W or more with a single diode and a good lens.
Thanks for the correction I'm still learning. I mixed them up.
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Old 12-27-2010, 04:51 PM #7
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Default Re: Most powerful 445nm laser diode?

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Originally Posted by Hank View Post
Thanks for your response. Just to clarify, are you talking about pushing the 1W 445nm laser diode to 2W and even 3.2W? or are you talking about a different diode?
Yes the 1W LDs are being pushed to 2W
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Old 12-27-2010, 06:07 PM #8
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Default Re: Most powerful 445nm laser diode?

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Yes the 1W LDs are being pushed to 2W
I thought that only the A140's were stable at 2W and the A130's were not stable above ~1.5W.
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Old 12-27-2010, 08:29 PM #9
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Default Re: Most powerful 445nm laser diode?

The 445nm diodes we talk about on this fourms really only had 2 models. Diodes taken from A-130 projectors, or taken from a A-140. The A-140 seam to have the same specifications, but preform more efficiently. They are NOT called 1W diodes, thats just a popularized output to run them at. In reality you can run them at +-100mW and all the way up to just over 2W as long as you have good heat sinking on the diode and driver...along with a respectable duty cycle.
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