Old 03-11-2010, 08:14 PM #1
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Default o-like 405nm 150mW blu-ray pen help!

Hello everyone!

I've been reading through these forums for the past couple of weeks trying to learn as much as possible before my blu-ray 405nm 150mW arrived from o-like. We'll about two weeks of waiting went by and it finally arrived. I've read on here that so many people are very satisfied with the burning power etc. But even when I focus the beam as best as possible (using the goggles also to pinpoint it out) I still cannot seam to burn anything. Is there something that I can do to increase the power? Or a new glass lense or anything to make this work. Thanks!

link: 405nm 150mW blu-ray pen /adjustable [OLBVL150] - $95.99 : O-Like, Quality Products, Great Prices


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Old 03-11-2010, 09:15 PM #2
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Default Re: o-like 405nm 150mW blu-ray pen help!

Welcome to the forum. I hope you will stay and be apart of this awesome forum. If you havnt been already, make sure what you are burning is black or dark colored. If it's something like paper then mark on it with a sharpie. Make sure the dot is as small as possible. Hope this helps and let me know how it goes.
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Old 03-11-2010, 09:22 PM #3
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Default Re: o-like 405nm 150mW blu-ray pen help!

Very helpful response. Thank you.

I understand now what you're talking about now. It did burn the electrical tape just like i saw in many videos before hand.

I did read somewhere though that someone replaced their plastic lens with a glass one and it decreased the focal point to allow the laser to shine more direct. Is there anywhere I can find accessories for this certain model that would allow me to do that. Thanks!
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Old 03-11-2010, 09:23 PM #4
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Default Re: o-like 405nm 150mW blu-ray pen help!

Quote:
Originally Posted by Scotty 757 View Post
Welcome to the forum. I hope you will stay and be apart of this awesome forum. If you havnt been already, make sure what you are burning is black or dark colored. If it's something like paper then mark on it with a sharpie. Make sure the dot is as small as possible. Hope this helps and let me know how it goes.
Sorry, but you are wrong.

150mW of bluray focused to pinpoint should burn white copy paper no problem.

OP: Make sure you get yourself a powerful alkaline batteries, don't even think about using Zink Carbon.

Boost converting driver inside the laser need to boost the voltage from 3 V to 5 V, while feeding 150mA to the diode,
Total current draw would be around 0.5 A from batteries overall.
Zinks just cannot supply that much, and that is why you cannot burn anything,
Your batteries do not supply good current.

You need to try fresh brand new alkaline batteries,
If still does not work... then you might need to RMA it.
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Old 03-11-2010, 09:26 PM #5
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Default Re: o-like 405nm 150mW blu-ray pen help!

The batteries I'm using now are "Phaser" alkaline battery. But they are only 1.5v a pop. Is there a higher voltage that i need to get. For instance like a 3v or 2v. Thanks
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Old 03-11-2010, 09:29 PM #6
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Default Re: o-like 405nm 150mW blu-ray pen help!

Although it should burn white, I thought it burns black better?
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Old 03-11-2010, 09:34 PM #7
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Default Re: o-like 405nm 150mW blu-ray pen help!

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Originally Posted by Scotty 757 View Post
Although it should burn white, I thought it burns black better?
Light and dark are not as they seem in 405nm color.
Turn off the lights and shine the bluray at your hand pointed away from you, and you will see which objects appear light and which dark in such light.

But 150mW of bluray should burn a white paper no problem, since my 80 mW does.
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Old 03-11-2010, 09:36 PM #8
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Default Re: o-like 405nm 150mW blu-ray pen help!

Quote:
Originally Posted by Zoidbergas View Post
The batteries I'm using now are "Phaser" alkaline battery. But they are only 1.5v a pop. Is there a higher voltage that i need to get. For instance like a 3v or 2v. Thanks
No,
two pieces 1.5V each is 3 V total.
No such thing as 2V battery ;D

Just use simple normal 1.5 V batteries, but FULL batteries, not empty ones.
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Old 03-11-2010, 09:45 PM #9
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Default Re: o-like 405nm 150mW blu-ray pen help!

I didn't say it couldn't burn white. Every laser burns black better.
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Old 03-11-2010, 09:56 PM #10
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Default Re: o-like 405nm 150mW blu-ray pen help!

Welcome to the forum.

-eudaimonium, the light/dark example you used is irrelivant. The objects that appear lighter for me are due to light reflections. Which in turn proves Scotty right, dark colors absorb light, while light colors reflect it.

My example for this reasoning is simple, go outside on a sunny day, first wearing a black shirt, then with a white shirt. You should notice the dark shirt makes the sun's radiation feel hotter, it is absorbing the sun's light energy. Light energy, photons, are more easilly absorbed into things that are the color black.

-and don't get mad at me.
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Old 03-11-2010, 09:56 PM #11
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Default Re: o-like 405nm 150mW blu-ray pen help!

Black intensifies and traps heat. On really hot days I wear light colored shirts instead of black.
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Old 03-11-2010, 10:03 PM #12
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Default Re: o-like 405nm 150mW blu-ray pen help!

Does the laser I have from o-like use a plastic lens or a glass one. And if so a plastic one, where can i get a glass one. Thanks
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Old 03-11-2010, 10:07 PM #13
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Default Re: o-like 405nm 150mW blu-ray pen help!

I'm pretty sure it has a plastic lens. I don't know about lenses, but I don't think a glass one would be made for that laser. You might ask Susie? Or look at axziz (I don't know if I'm spelling that correctly) for a lens. I'm sure someone here knows more than I do about lenses and could help you out more.
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Old 03-11-2010, 10:12 PM #14
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Default Re: o-like 405nm 150mW blu-ray pen help!

Wow jee, guys!
I ain't as retarded as I appear to be, I understand the light/dark concept pretty good!

All I am saying is, that in such border areas of visible spectrum, you cannot judge which object will be burned better by using only your eyes (to judge, not burn )

You can have two identical sheets of paper, equally black.
One will get burned by bluray, but other may not since it reflects 405nm light very well, and you could not tell that since you would not notice it.

How can I explain it by words

I have a pair of jeans that make the 808nm 1W dot visible like 5 mW red 650 nm, great visibility, and they cannot get burned by 1W of IR. And they are BLACK.

I have another pair that appear exact same color , same tone of black, however they get smoking under 3mm fat dot if forementioned IR.

Get it?
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Old 03-11-2010, 10:26 PM #15
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Default Re: o-like 405nm 150mW blu-ray pen help!

Yep! That's just about all there is to it if you're into burning things. If you need to cut things, and melt things, theres a lot more to understand. Googling "absorption spectrum" will reveal a lot.

Well explained Eudaimonium!
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Old 03-11-2010, 10:35 PM #16
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Default Re: o-like 405nm 150mW blu-ray pen help!

Quote:
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Yep! That's just about all there is to it if you're into burning things. If you need to cut things, and melt things, theres a lot more to understand. Googling "absorption spectrum" will reveal a lot.

Well explained Eudaimonium!
Oh, thank you very much kind sir...
That was the therm I was looking for...

I was just talking from my own experience, so I didn't know what was it called.

Well, all I am saying is that 405nm is alike 808nm when it comes down to burning.
You cannot judge will it burn or not since your eyes function in different spectrum.

Hope everyone understands!
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