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Old 11-05-2013, 02:52 AM #1
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Default SS Beam Splitter question

Is this something someone with a 3W 445nm laser could have fun with?

BROADBAND POLARIZING CUBE BEAMSPLITTER 27MM X 27MM X 34MM - Surplus Shed


???


-Bob


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Old 11-05-2013, 03:40 AM #2
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Default Re: SS Beam Splitter question

With just one diode laser it will either pass light or reflect it like a mirror depending the orientation of the laser.
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Old 11-05-2013, 06:31 AM #3
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Default Re: SS Beam Splitter question

I was just looking at those- I cant seem to ever rmember anyone combining two 532 greens with a BSC. i this done with a wave plate or knife edging-- at 35$ each these fron fred look interesting and at a price that is great LMHO- and these people are the best to work with- I*think* I want two of these-- if we can get a better price I can contact G-fred and see if he will deal us on a Group Buy order-- shipping at SS is laways 5$ no matter how big o heavy- so if all were shipped at same time the cost would already go down but not muck when they get re-shipped- I think if an order is strated we could see how many in stock- if SS has just a few no GB deal would happen..

as far as the OP's question- yes... a little.... but these are of the most use by PJ -lumia-spiro makers etc. for combining lasers. so if you shine your HHeld blue thru it you would get two beams from the cube -in reverse you can combing two. BUt IIRC they must be the same (or near)wavelength.. (with this kind of BSC)

$35 is cheap for new optics of this kind- my 405 cube is half that size and was a steal at 40$ (SELEM BS&T)
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Old 11-05-2013, 03:19 PM #4
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Default Re: SS Beam Splitter question

This is such an odd question. You have no goal in mind? You're just asking what you can do with two items?

"How can I combine a computer mouse with this rhino footprint?"
"If I have a map of Tunisia and an orange peel, what can I build?"
"What can I make with this compass and this jar of mayonnaise?"
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Old 11-05-2013, 03:52 PM #5
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Default Re: SS Beam Splitter question

They are used for combining two lasers of opposite polarization (diode), or splittiing the beam of a laser with random polarization (HeNe)

Whether that's useful for what you're trying to do or not is up to you.
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Old 11-05-2013, 06:29 PM #6
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Default Re: SS Beam Splitter question

Quote:
Originally Posted by ryanr256 View Post
Is this something someone with a 3W 445nm laser could have fun with?

BROADBAND POLARIZING CUBE BEAMSPLITTER 27MM X 27MM X 34MM - Surplus Shed


???


-Bob
I doubt it. It doesn't mention anything about fun in the description.
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Old 11-06-2013, 02:30 AM #7
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Default Re: SS Beam Splitter question

Wow, tough crowd.

I don't have anything specific in mind. I just wanted to know if this beamsplitter was something that could enhance the laser effect on friends and family. I was also throwing it out there that Surplus Shed had these at a decent price.

I'm a computer person, not an optics person. I chose Computer Science instead of Physics. Sue me.

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Old 11-06-2013, 02:47 PM #8
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Default Re: SS Beam Splitter question

Might be a fun component in a sort of simple light computer, or light calculator, if you think of | and - polarization as representing digital 1 and 0. This device takes a "data stream" and points it in one direction if it's a "1," and points it in an orthogonal direction if it's a "0"

I probably wouldn't use a laser on my friends and family, though ;-)
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Old 11-07-2013, 07:09 AM #9
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Default Re: SS Beam Splitter question

I think things like diffraction gratings may be more what you would enjoy.

Or you could try simple projects like spiro--liquid sky--tunnel efx or LUMIA- and use your laser (sparingly) to light these efx up. its easy to forget the duty/rest cycle when you are enjoying these efx.

Search 'Tunnel gun' thats a nifty device--

Such things will direct you towards laser projector(with scanners) and THAT'S were all the real FUN begins.. save both time and money get a PJ.


I have a few to sell-PM me anytime/ :-)
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QS/FB3 +Beyond-APC40-Mamba Black(clone) 5paghettix2 and I-show x2-Kasio synth-midi
KGB- 532 1.1W 445 2.2W 655 1.3W DT Pro 40 still needs more red.
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LPMs-RadiantAlpha& Pro5W-AixiZ SPER/KenmeterLite/LB1
Spacelas 1178mW 655nm/AixiZ 300mW532&
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638 180mW ttl mimi lab (av. 230mW)
405 100mW ttl mini lab
445 300 mW ttl mni lab ^AixiZ^ all for a lumia PJ
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