Date: Wed, 26 Oct 2011 14:55:47

Author: chuck britton

Subject: Re: Cooled Laser

Post:


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Does it 'fade out' or 'snap off'?

I'd a slow fade would point to a thermal expansion of the optics
whereas a quick blink-off would more likely be the PS.

Just guessin'.
.
At 1:30 PM -0400 10/26/11, Bill Norwood wrote:
>Hi Taplers,
>-Anybody ever had a 1mW He-Ne to stop lasing as soon as it warmed up?
>-Well, one of ours has gone into that "mode."
>-But, it will run all day if I keep a tray of ice cubes on top of it
>(right now with the end plates off).
>-Anybody had such experience?
>-Anyone tried installing a cooling fan.
>-Kind of hate to part with such a fine, bright beam.
>-Also, these are kind of hard to make off with in a back pack,
>especially since they are attached to 2x4x14" channel aluminum.
>-Here is a pic from the Internet.
>http://www.holoworld.com/webseum/aerotech/DSC00254-tb.html
>Thanks for any remarks.
>Bill Norwood, U of MD at College Park

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Re: [tap-l] Cooled Laser
Does it 'fade out' or 'snap off'?

I'd a slow fade would point to a thermal expansion of the optics
whereas a quick blink-off would more likely be the PS.

Just guessin'.
.
At 1:30 PM -0400 10/26/11, Bill Norwood wrote:
Hi Taplers,
-Anybody ever had a 1mW He-Ne to stop
lasing as soon as it warmed up?
-Well, one of ours has gone into that
"mode."
-But, it will run all day if I keep a
tray of ice cubes on top of it (right now with the end plates
off).
-Anybody had such
experience?
-Anyone tried installing a cooling
fan.
-Kind of hate to part with such a fine,
bright beam.
-Also, these are kind of hard to make off
with in a back pack, especially since they are attached to 2x4x14"
channel aluminum.
-Here is a pic from the
Internet.
http://www.holoworld.com/webseum/aerotech/DSC00254-tb.html
Thanks for any remarks.
Bill Norwood, U of MD at College
Park




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