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Old 11-28-2014, 10:52 AM #1
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Default anyone remember the liquid fan DG at novalasers ?

i am so much interested at that diffraction grating but cant find anywhere. you know a similar one being sold anywhere ? thanks and regards.


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Old 11-29-2014, 03:44 AM #2
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Default Re: anyone remember the liquid fan DG at novalasers ?

OK, I googled trying to find what this is about and can't find it yet, what is a liquid fan?

I can find lots of diffraction gratings on ebay, but not sure what you are after:

http://www.ebay.com/sch/i.html?_from...ating&_sacat=0
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Last edited by Alaskan; 11-29-2014 at 03:46 AM.
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Old 11-29-2014, 05:10 AM #3
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Default Re: anyone remember the liquid fan DG at novalasers ?

that effect is derived from a high speed rotating polygon multifaceted mirror on one axis, with a laser bouncing off it
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Old 11-29-2014, 05:26 AM #4
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Default Re: anyone remember the liquid fan DG at novalasers ?

Is that you Tony? Is your avatar showing it?
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Old 11-29-2014, 07:47 AM #5
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Default Re: anyone remember the liquid fan DG at novalasers ?

Quote:
Originally Posted by Laser Project View Post
OK, I googled trying to find what this is about and can't find it yet, what is a liquid fan?

I can find lots of diffraction gratings on ebay, but not sure what you are after:

diffraction grating | eBay
thanks so much for the help laser project, liquid fan DG at nova was like many laser line beams on a single line. i wish i told what i am trying to tell that is the best effect i have ever seen. was perfect with green lasers, but i lost it
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Old 11-29-2014, 03:13 PM #6
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Default Re: anyone remember the liquid fan DG at novalasers ?

Quote:
Originally Posted by laserdonkey View Post
thanks so much for the help laser project, liquid fan DG at nova was like many laser line beams on a single line. i wish i told what i am trying to tell that is the best effect i have ever seen. was perfect with green lasers, but i lost it
Maybe draw it instead of trying to explain it?

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Old 11-29-2014, 04:11 PM #7
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Default Re: anyone remember the liquid fan DG at novalasers ?

https://www.youtube.com/watch?v=AAN0xX1WJTg

Maybe the one around 11 seconds in?
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Old 11-29-2014, 07:59 PM #8
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Default Re: anyone remember the liquid fan DG at novalasers ?

I think I understand now, several laser beams all lined up together in a fan-like orientation. I've never seen one like that.
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To shorten my signature I have moved most of my laser related web links to this forum page, the second post in that thread shows most of my builds... Alaskan's Laser Links: http://laserpointerforums.com/f44/al...ml#post1449395


Sincerely investigate any of these three short quotes as new concepts and you've taken your first step into a larger world:

"I regard consciousness as fundamental. I regard matter as derivative from consciousness..." - Max Planck. "Everything we call real is made of things that cannot be regarded as real" - Neils Bohr. "What we call physical things and events do not exist independently of subjective experience..." - Deepak Chopra.

Each of these three rabbit holes go deep, ending up in the same place.

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