Old 01-02-2012, 03:41 AM #1
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Default Death of a "training lens"

Just for fun

For those that don't know, a training lens is what wicked lasers calls a ND filter that blocks 80% of light. I have no use for mine, so I wanted to see how much power it could take. Not much above 1W it turns out. I fired my HGM through it and didn't even get up to half power before it cracked.





Hmm... keep going? Full power >4W at 32A tube current:





It melted enough to leave an indent in the surface and act as a lens instead of a window. It's tough to see, but the light is reflecting off the indent here: big photo.

But why stop there? We need to be sure it's deceased. I don't want any undead optics in my house. CO2 laser full power: 60W





The result: big photo. That's more like it.


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Old 01-02-2012, 03:56 AM #2
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Default Re: Death of a "training lens"

Gas lasers sure are a thing of beauty. Don't hesitate to post more vids of yours, hehe.
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Old 01-02-2012, 11:50 AM #3
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Default Re: Death of a "training lens"

I think its quite understandable...
Why spend the extra $$ for a ND filter that can take 4Watts
if the Laser you sell never gets to 1Watt....

Jerry
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Old 01-02-2012, 12:15 PM #4
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Default Re: Death of a "training lens"

^ totally agree!

Awesome videos!
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Old 01-02-2012, 10:27 PM #5
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Default Re: Death of a "training lens"

Mmmm 4W argon I would have bought one myself but I fear my electric bill...
I wonder if one of those lenses would crack using an up-to-spec 1W 445nm.. hm... I'll look for my lens.

Awesome videos by the way!
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Old 01-02-2012, 10:52 PM #6
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Default Re: Death of a "training lens"

Quote:
Originally Posted by ZRaffleticket View Post
Mmmm 4W argon I would have bought one myself but I fear my electric bill...
I wonder if one of those lenses would crack using an up-to-spec 1W 445nm.. hm... I'll look for my lens.

Awesome videos by the way!
It probably would crack .




That Argon is beautiful.
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Old 02-02-2012, 08:26 PM #7
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Default Re: Death of a "training lens"

4W of argon?!?! is it multiline or single line?

oh and a cheapy little ND filter has no hope against an argon, let alone a 60W CO2
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Old 02-03-2012, 12:34 AM #8
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Default Re: Death of a "training lens"

It's multi-line. The vast majority of argons over 100mW are multi-line or at least line-selectable.
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Old 02-03-2012, 03:43 AM #9
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Default Re: Death of a "training lens"

Cool - nice little bit of trivia - you learn something new every day.

Nice laser by the way *grin*
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