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Old 09-01-2017, 08:47 PM #17
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Default Re: Did I get lucky!!?

Yes, I was disappointed when I received my PL520, I expected it to produce a round dot, not!


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Old 09-02-2017, 04:43 PM #18
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Default Re: Did I get lucky!!?

Quote:
Originally Posted by paul1598419 View Post
No direct diode laser gives TEM00 modes. They don't produce a Gaussian beam. Even single mode diodes have a rectangular emitter that becomes the dot when collimated.
Oh I didn't know that. It would make sense.

Quote:
Originally Posted by Alaskan View Post
Yes, I was disappointed when I received my PL520, I expected it to produce a round dot, not!
I'll have to take another look at mine, because mine appears to have a nice round dot, but I could be wrong.
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