Old 12-10-2009, 07:08 AM #17
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Default Re: CNI pen greenies HATE cold!!

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Originally Posted by iskor12 View Post
Interesting....Temperature doesn't even seem to phase my green laser....IF anything, the colder it is, the brighter it gets.
I've actually noticed the same thing.

I've also noticed that when its cold and not warmed up, the beam tends to (what it looks like) split into 2 separate parallel beams, that are really close to each other. Anyone else notice that?


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Old 12-10-2009, 07:44 AM #18
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Default Re: CNI pen greenies HATE cold!!

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Originally Posted by SmurfTacular View Post
I've actually noticed the same thing.

I've also noticed that when its cold and not warmed up, the beam tends to (what it looks like) split into 2 separate parallel beams, that are really close to each other. Anyone else notice that?
This is called a mode switch. In some cases, a laser beam may switch TEM modes and "split." Wikipedia has some good information on it.
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Old 12-10-2009, 10:35 PM #19
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Default Re: CNI pen greenies HATE cold!!

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Originally Posted by SmurfTacular View Post
I've actually noticed the same thing.

I've also noticed that when its cold and not warmed up, the beam tends to (what it looks like) split into 2 separate parallel beams, that are really close to each other. Anyone else notice that?
Did you not read the thread? LOL that is what the entire thread was about!!!! look at the pics
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Old 12-11-2009, 08:02 PM #20
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Default Re: CNI pen greenies HATE cold!!

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Originally Posted by Don't Laze Me Bro View Post
Did you not read the thread? LOL that is what the entire thread was about!!!! look at the pics
Hmm. Maybe his first sentence was countering the quote rather than going with it. Dunno lol.

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Old 12-11-2009, 09:44 PM #21
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Default Re: CNI pen greenies HATE cold!!

Quote:
Originally Posted by iskor12 View Post
Interesting....Temperature doesn't even seem to phase my green laser....IF anything, the colder it is, the brighter it gets.
That usually poses the reverse problem: it will dim when it gets too warm, either from ambient temperatures or from running for a long period of time.

Personally, i prefer lasers with a temp optimum slightly above room temp (in the 25-30 C range), they will brighten a bit with run time without the very disappointing power plummet after running for a minute or so.
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