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Old 05-21-2009, 07:30 PM #65
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^I always thought that platters would make excellent mirrors, just never actually tried it.


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Old 05-21-2009, 08:07 PM #66
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Yes they are ^^ i have one laying here, it reflects nearly everything!

@slt: i heard about a special "x-ray grade" foil that acts like a dielectric mirror and is extremely thin and light. what about that?
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Old 05-21-2009, 11:13 PM #67
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Quote:
Originally Posted by Xer0 View Post
@slt: i heard about a special "x-ray grade" foil that acts like a dielectric mirror and is extremely thin and light. what about that?
That's great!!! With such a thin and light mirror one can make an ultra fast scanner. I think more than 1000 lines in each field and 100 fields per second refresh rate will be possible!!!

Where can I get it?

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Old 05-22-2009, 08:09 PM #68
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Erm... i know it was here... just... give a moment

/ suira told me about!
http://laserpointerforums.com/laser_...3&postcount=10

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Old 05-22-2009, 11:08 PM #69
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Quote:
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So this means you cant just use any AOM and maybe even not a for-multiline one, cause the freuquencies must fit your lasers exactly?

we should get back to the cheaper lcd blanking idea
The only difference is if the AO is AR coated for IR, UV or VIS. Most are coated for vis, and work just fine from 488 to 650. A few really older AOs use a glass that adsorbs green over 500 mW, but most use TeO2 these days.

You do need to have a matched driver, a crystal made for 40 mhz wont work with a 80 mhz driver. AOs are usually +/-7 to 10 mhz wide , so using a 42 mhz driver with a crystal cut for 40 is just fine.

AOs are not frequency specific for laser wavelength, but PCAOMs and AOTFs Are.

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Old 05-23-2009, 08:29 PM #70
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Quote:
Originally Posted by Xer0 View Post
@slt: i heard about a special "x-ray grade" foil that acts like a dielectric mirror and is extremely thin and light. what about that?
Thanks. X-ray grade foils might be very thin and therefore flexible I guess. They are useless unless mounted on a suitable support. But this time they will become thick and heavy!
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Old 05-28-2009, 01:11 PM #71
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SLTVM: Simple Solutions for High Speed Scanners

"NO MEMS, NO AOM"


VIDEO:


http://www.youtube.com/watch?v=NTpwygS8baY


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http://www.photonlexicon.com/forums/...hp?albumid=104[/QUOTE]

RASTER!
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Old 05-30-2009, 02:02 PM #72
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RASTER: Back-traces deleted
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Old 05-31-2009, 09:00 PM #73
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When will you try to add a Blue? to start, just use a blueray. on a pure white screen it would look like deep 457nm blue. with a bit color adjustment you should get an full color picture!
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Old 06-01-2009, 08:52 AM #74
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Quote:
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When will you try to add a Blue? to start, just use a blueray. on a pure white screen it would look like deep 457nm blue. with a bit color adjustment you should get an full color picture!
It is possible to add a blueray. Blue lasers are susceptible to direct analog modulation. But combining three lasers by means of two beam splitters makes the optics rather clumsy. I prefer to use a compact RGB laser. However they are not easily accessible yet.
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Old 06-01-2009, 07:00 PM #75
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looks awesome, but I still don't understand how you managed to make the DPSS green laser to work at such a high frequency
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Old 06-01-2009, 09:47 PM #76
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Here are some guys who could build you a compact, and i have one in my plans too (with active cooling and drivers integrated) but not ready in the next months. but yes with 405
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Old 06-02-2009, 07:37 AM #77
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Good news. I hope one day we will combine our efforts to make a full colour scanner.
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Old 06-10-2009, 12:30 PM #78
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15625 Kpps (15.625 Mpps) Scanner
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Old 06-12-2009, 05:06 PM #79
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3D Visual Effect by Kuntman's Scanner

http://www.youtube.com/watch?v=yRNsjvzmKRI
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Old 06-12-2009, 05:13 PM #80
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Sweet, keep up the great work.
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