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Old 09-20-2009, 01:40 PM #17
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Default Re: FEELER: Laser Cut 1 3/4" inch dia acrylic FS mirror circles

just found out that 10g of each chemicals are approx $30 all up.. but that should cover an area of around the size of a dinner plate... then the glass would be an expense on top of that.. i guess if i cut the glass to the size of a coin or small circle i could get my money back.. not in it for a profit, more the experience! im going to try it.. maybe after my exams!

i have also found a way to use a RS mirror to make a FS mirror LOL.. where did you get that FS acrylic mirror from TJ??


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Lasers!
10.6um - >40W CO2 Laser - 25W RF excited CO2 Laser*
685nm - Being built!
660nm - 250mW LOC PowerLight B50 Host - 100mW WL pulsar
635nm - 430mW C6 Host*
632.8nm - Red He-Ne laser ~1mW
593.5nm - Regal 5
542.8nm - Green He-Ne laser ~2.5mW
532nm - 620mW+ lasersman Firedragon III* - 100mW PGL-III-M from JETLASERS* - 70mW Rayfoss Host*
~~~ - 175mW Rayfoss Host - <5mW WL Core - 55mW DinoDirect review laser*

488nm - On the hoist
473nm - 2x CNI lab lasers ~40mW
445nm - 3W Big Boyz Laser - >1.1W Cree C6 Host - 650mW WL Arctic
405nm - 65mW GLP-405 Aquarius host - 160mW 6x Blu-ray MXDL Host
Total: 71,868.5 mW

Goggles!
Laser glow LSG-532-Sport protective eye goggles OD 7+ 190-532nm HIGHLY RECOMMENDED!!
Jetlasers wrap around 190-540nm OD4+ goggles*
Eagle Pair Red OD4+ goggles
Scopeguy20 Blublockers for 405nm lasers!

* indicates a review has been done, on this item.

Check out my How to Build a Selectable Dummy Load Thread!

Last edited by bobhaha; 09-20-2009 at 01:42 PM.
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Old 09-20-2009, 01:42 PM #18
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Default Re: FEELER: Laser Cut 1 3/4" inch dia acrylic FS mirror circles

A cool way of making FS mirrors is painting a piece of glass with liquid gallium
It is pretty difficult to get the surface completely regular and flat, but when it works it works well. Another problem is that at any point where the mirror is above the melting temperature (I think it was 28.5 degrees C), you can accidentally wipe off the gallium.
It is however very cheap.. 1g of gallium costs about $3 and could coat 20 smallish mirrors or more.

Seb
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Old 09-20-2009, 02:02 PM #19
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Default Re: FEELER: Laser Cut 1 3/4" inch dia acrylic FS mirror circles

Plastic Rods and Tubes at American Acrylics

I got an email the other day, and they dropped it another $0.10. Still a rip off though. $30 for plastic RS mirrors? I've found glass RS mirrors for way cheaper.

So how do you make RS to FS?
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Old 09-20-2009, 02:23 PM #20
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Default Re: FEELER: Laser Cut 1 3/4" inch dia acrylic FS mirror circles

You need to dissolve the protective coating that protects the mirrored
surface on the rear of the mirror... IIRC


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Old 09-20-2009, 02:37 PM #21
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Default Re: FEELER: Laser Cut 1 3/4" inch dia acrylic FS mirror circles

Why not just get a clean piece of glass to start with? LOL
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Old 09-20-2009, 02:48 PM #22
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Default Re: FEELER: Laser Cut 1 3/4" inch dia acrylic FS mirror circles

Because with that process you just remove the protective coating
but not the reflective mirror surface...

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Old 09-20-2009, 11:56 PM #23
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Default Re: FEELER: Laser Cut 1 3/4" inch dia acrylic FS mirror circles

Yes thats right, lasersbee!! hmm still maybe worth a try.. i can go the the local store and see if i can get some to try out!
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Lasers!
10.6um - >40W CO2 Laser - 25W RF excited CO2 Laser*
685nm - Being built!
660nm - 250mW LOC PowerLight B50 Host - 100mW WL pulsar
635nm - 430mW C6 Host*
632.8nm - Red He-Ne laser ~1mW
593.5nm - Regal 5
542.8nm - Green He-Ne laser ~2.5mW
532nm - 620mW+ lasersman Firedragon III* - 100mW PGL-III-M from JETLASERS* - 70mW Rayfoss Host*
~~~ - 175mW Rayfoss Host - <5mW WL Core - 55mW DinoDirect review laser*

488nm - On the hoist
473nm - 2x CNI lab lasers ~40mW
445nm - 3W Big Boyz Laser - >1.1W Cree C6 Host - 650mW WL Arctic
405nm - 65mW GLP-405 Aquarius host - 160mW 6x Blu-ray MXDL Host
Total: 71,868.5 mW

Goggles!
Laser glow LSG-532-Sport protective eye goggles OD 7+ 190-532nm HIGHLY RECOMMENDED!!
Jetlasers wrap around 190-540nm OD4+ goggles*
Eagle Pair Red OD4+ goggles
Scopeguy20 Blublockers for 405nm lasers!

* indicates a review has been done, on this item.

Check out my How to Build a Selectable Dummy Load Thread!
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