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Old 12-18-2013, 04:48 AM #1
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Default So, I have a good question :)

I was thinking about buying a beam expander for my Arctic like the 10X one from their site. I'm excited to see this sucker with a gigantic, fat, beam. Especially in the winter hitting the snowflakes. And when thinning it out I know it's more sharp and can travel longer, but I'm curious if when I use it to thin out the diameter of the beam, will the focusing effect make the beam brighter because of the greater density of light per area of the beam?

Thoughts?


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Old 12-18-2013, 05:00 AM #2
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Default Re: So, I have a good question :)

Hello MacDaddy.

The expander if I remember correctly will in fact make the beam go farther and will keep the beam brighter for longer distances.

For example:

Without Expander: --=Visible Beam ~~~=Non Visible Beam
Normal Artic: ----------------~~~~
W/ Expander: --------------------------------~~~~

Hope I helped.
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Old 12-18-2013, 05:00 AM #3
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Default Re: So, I have a good question :)

Hello MacDaddy.

The expander if I remember correctly will in fact make the beam go farther and will keep the beam brighter for longer distances.

For example:

Without Expander: --=Visible Beam ~~~=Non Visible Beam
Normal Artic: ----------------~~~~
W/ Expander: --------------------------------~~~~

Hope I helped.
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Old 12-18-2013, 06:28 AM #4
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Default Re: So, I have a good question :)

Quote:
Originally Posted by MacDaddy View Post
I was thinking about buying a beam expander for my Arctic like the 10X one from their site. I'm excited to see this sucker with a gigantic, fat, beam. Especially in the winter hitting the snowflakes. And when thinning it out I know it's more sharp and can travel longer, but I'm curious if when I use it to thin out the diameter of the beam, will the focusing effect make the beam brighter because of the greater density of light per area of the beam?

Thoughts?
What do you mean by "thin out the diameter of the beam"?

Beam expanders, as the name implies, will expand the laser beam. This will lower the divergence at the cost of beam diameter, in effect you will get a smaller dot over long distances than without the expander.

Quote:
Originally Posted by Tha Greenlander View Post
Hello MacDaddy.

The expander if I remember correctly will in fact make the beam go farther and will keep the beam brighter for longer distances.

For example:

Without Expander: --=Visible Beam ~~~=Non Visible Beam
Normal Artic: ----------------~~~~
W/ Expander: --------------------------------~~~~

Hope I helped.
What's up with the "non-visible beam"?

Last edited by Zeebit; 12-18-2013 at 06:34 AM.
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Old 12-18-2013, 06:41 AM #5
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Default Re: So, I have a good question :)

Quote:
Originally Posted by Zeebit View Post
What do you mean by "thin out the diameter of the beam"?

Beam expanders, as the name implies, will expand the laser beam. This will lower the divergence at the cost of beam diameter, in effect you will get a smaller dot over long distances than without the expander.



What's up with the "non-visible beam"?
I mean that is the point the beam wouldn't be visible anymore or very slightly.
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Old 12-18-2013, 07:06 AM #6
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Default Re: So, I have a good question :)

I doubt you will be able to tell where that point will be because our line of sight is usually close to the beam, unless you view the beam perpendicularly.
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