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Old 01-10-2012, 03:26 PM #1
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Default anyone know where to get diffraction gratings

I've been looking on the internet all morning And I can't find what I want.....

I want a diffraction grating that I can use with my 1 watt laser...

Where do I buy this at???? Do I have to buy from overseas???


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Old 01-10-2012, 03:39 PM #2
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Default Re: anyone know where to get diffraction gratings

Cajunlasers Store have them !

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Old 01-10-2012, 03:43 PM #3
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Default Re: anyone know where to get diffraction gratings

My 1 watt laser will mealt that!!!!


Starfield Diffraction Grating 1000 lines/mm 2 pack [GRT1000] - $2.99 : Cajunlasers Store
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Old 01-10-2012, 05:58 PM #4
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Default Re: anyone know where to get diffraction gratings

I have bought the ones from o-like and they didnt melt
with my 1.2W laser.

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Old 01-10-2012, 06:01 PM #5
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Default Re: anyone know where to get diffraction gratings

Really!!! So Should I just get these then for 8 bucks????

10pack kaleidoscope /laser star diffraction grating [OLGR551] - $8.00 : Zen Cart!, The Art of E-commerce

Are those the ones you are talking about.... They look better than the ones from cajun lasers????

Thanks
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Old 01-10-2012, 07:42 PM #6
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Default Re: anyone know where to get diffraction gratings

Yes. The ones from 0-like are glass so they won't melt. But they are only 5mm x 5mm (pretty small). Oh, also all 10 of them in that pack are the same (starfield) pattern [just dots], I think.
I would recommend getting the 5-different pattern diffraction caps from o-like or the ones from laserlands. This will still yield 10x 5mm diffraction gratings, but they all won't be the same. You will get the circles, fan, plus, and starfield, but you have to extract them from the little diffraction caps (2 per cap).
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Old 01-10-2012, 07:49 PM #7
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Default Re: anyone know where to get diffraction gratings

Quote:
Originally Posted by Ash View Post
Yes. The ones from 0-like are glass so they won't melt. But they are only 5mm x 5mm (pretty small). Oh, also all 10 of them in that pack are the same (starfield) pattern [just dots], I think.
I would recommend getting the 5-different pattern diffraction caps from o-like or the ones from laserlands. This will still yield 10x 5mm diffraction gratings, but they all won't be the same. You will get the circles, fan, plus, and starfield, but you have to extract them from the little diffraction caps (2 per cap).
(2 per cap) .... do you have to have the 2 together for them to work correctly??

I'm so glad that you said that because I ordered the 5 caps instead of the glass ones!!!!

Right after I order them I was like fuck will they meant???? Lol

I have a cheap 12$ laser pointer off ebay ..... I signed it threw that the grading cap...and it started so smell like burnt plastic!!!!! It still worked but I figured I better buy some good ones......
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Old 01-10-2012, 08:08 PM #8
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Default Re: anyone know where to get diffraction gratings

I meant these 5 patterns diffraction cap /for red,green.blue laser [OL-D-5] - $6.99 : Zen Cart!, The Art of E-commerce
These are made from glass and are very good quality !
Some patterns are awesome !

Jim
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Old 01-10-2012, 08:11 PM #9
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Default Re: anyone know where to get diffraction gratings

Hell yeah those are the ones that I bought
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Old 01-12-2012, 01:05 PM #10
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Default Re: anyone know where to get diffraction gratings

Lucky me I just got an email from o~like is the chinese holiday so it's going to take an additional 2 weeks before it even ships lol damn!!!!!
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Old 01-12-2012, 03:34 PM #11
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Default Re: anyone know where to get diffraction gratings

Those Chinese holidays are so lame.!! It's like the whole fucking country stops for a week or more (depending on the holiday).

In the mean time, you could ask Modwerx if this 5mm grating is glass.
He's a US based seller, so you should get it in a few days, but he only has the one pattern:
Starfield laser diffraction grating [M0007] - $1.49 : Modwerx Shop

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Old 01-12-2012, 06:52 PM #12
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Default Re: anyone know where to get diffraction gratings

There is also Great member selling them here:

FS: Linear & Double Axiz diffraction Grating

Ive dealt with him many many times.
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Old 01-12-2012, 08:06 PM #13
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Default Re: anyone know where to get diffraction gratings

I think he wants diffraction gratings that won't melt with 1W laser.
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Old 01-15-2012, 05:42 PM #14
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Default Re: anyone know where to get diffraction gratings

Erm

Not really knowing any better, I've used a plastic diffraction grating quite a few times with my (measured) 1.8W 445. (Yob Build)

I haven't seen any melting, or distortion happening on it.. But I do make sure there's no specks of dirt or anything on it first (dark spot + high energy laser = lots of heat)

YMMV.
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Old 01-15-2012, 05:48 PM #15
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Default Re: anyone know where to get diffraction gratings

Well this is what happen when I used A little cheap 1 from the gas station I have like 50 of them and I love the affect so screw it

https://www.youtube.com/watch?v=BLv9...e_gdata_player

Lol
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