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Old 12-02-2016, 04:28 AM #1
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Question Super weird beam spot 445nm Help...

The dot is like stripes of rectangles instead of like just a rectagle thing...
https://s13.postimg.org/ec8cv94h3/image.jpg
What is wrong with it...


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Old 12-02-2016, 05:44 AM #2
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Default Re: Super weird beam spot 445nm Help...

Looks normal to me Some multimode diodes look like that. Do you know what diode is in that laser?
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Old 12-02-2016, 07:14 AM #3
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Default Re: Super weird beam spot 445nm Help...

Quote:
Originally Posted by lazerman121 View Post
Looks normal to me Some multimode diodes look like that. Do you know what diode is in that laser?

It's a M-Type M140

Last edited by Sak0ya; 12-02-2016 at 07:15 AM.
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Old 12-02-2016, 07:20 AM #4
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Default Re: Super weird beam spot 445nm Help...

Quote:
Originally Posted by lazerman121 View Post
Looks normal to me Some multimode diodes look like that. Do you know what diode is in that laser?
Isn't it sopposed to look more like this
https://s18.postimg.org/xksdqhaax/image.jpg


Mine has like slices of lines.?
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Old 12-02-2016, 08:13 AM #5
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Default Re: Super weird beam spot 445nm Help...

Your diode is multimode, but the lines shouldn't be as prominent as that. How is the power output, because it may of occurred some damage?
The lines can look more pronounced when the batteries are low because you are only hitting threshold, but at normal operating voltage it shouldn't look that bad.

Take a look at this thread. Lines in defocused spot?
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