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Old 08-19-2017, 01:27 AM #1
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Default DIY Optical Bench Idea

Wasn't sure if i should post this here or in the experimental thread but here it goes, sorry if i'm mistaken.

Anyways, i have several nice lasers but totally lack an optical table of any sort, i DO however have an 8' slate pool table that i have no use for and plan to re-purpose one way or the other.
My question, would slate make a good optical bench? if so, what steps should i take in it's fabrication?

Thanks in advance.
-Fritz


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Old 08-19-2017, 08:09 AM #2
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Default Re: DIY Optical Bench Idea

Quote:
Originally Posted by FRITZ HID View Post
Wasn't sure if i should post this here or in the experimental thread but here it goes, sorry if i'm mistaken.

Anyways, i have several nice lasers but totally lack an optical table of any sort, i DO however have an 8' slate pool table that i have no use for and plan to re-purpose one way or the other.
My question, would slate make a good optical bench? if so, what steps should i take in it's fabrication?

Thanks in advance.
-Fritz

It's a good solid, flat surface for sure. Problem being that you wouldn't be able to drill and tap good holes for mounting components, seeing as it's slate which is rather brittle.

You can find used optical breadboards on eBay for reasonable prices at various sizes. From 12"x12" (or even smaller) to full blown 8'x4' tables.

https://www.ebay.ca/sch/i.html?_odkw...board&_sacat=0

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Last edited by diachi; 08-19-2017 at 08:10 AM.
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Old 08-19-2017, 02:56 PM #3
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Default Re: DIY Optical Bench Idea

well, there is a 3/4" MDF backer glued to the bottom of the slate, i was thinking of drilling holes down to that and then gluing a nut at the bottom to which i could bolt optics, etc. to.
was planing on using 1 of the 3 pcs for optics bench, 1 pc as my solder station worktable and the 3rd pc as my wifes new countertop.
if it cant be used as an optics bench, i guess i could always use a nice, heavy, flat surface in the fab shop.....
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Old 08-19-2017, 10:11 PM #4
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Default Re: DIY Optical Bench Idea

The main concern with an optical table is that it be free from all vibrations. Another reason they are made of a solid piece of metal. Often times one needs to set up a Michelson interferometer. It is essential that the optical table be vibration free to be able to accomplish this. Even diffraction tuning of direct diodes need a vibration free surface. A pool table is on legs that can add to a vibrating surface. I suppose you could use the table to mount a metal flat surface onto.
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Old 08-20-2017, 09:58 AM #5
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Default Re: DIY Optical Bench Idea

Quote:
Originally Posted by diachi View Post
Edit: 8000 posts!
A little off topic...
Congrats on your 8K Posts....

As to the OP's question...
I suppose any flat mass could be used as
an optical bench if a simple way of mounting
equipment to it is available.
You will also need a vibration dampening
system between the mounting table and
optical bench to negate vibrations transmitted
to the optical bench.

Jerry
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