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Old 02-16-2017, 11:16 AM #49
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Default Re: Rainbow dot?

Quote:
Originally Posted by CurtisOliver View Post
Lol, I would have to make a laser fort quick. Imagine if your laser art was found from the middle ages.
It wouldn't because it had been burned with me for performing magic in middle age. Anyway I would prefer earlier times, when religions were at their beginning, maybe I would have been considered as a god like in Däniken's books. Just imagine reading the bible (for example) now:
"...and than the bright beam touched the eyes of blind and brought their sight back..."

Considering my art I would prefer some form of "near RGB" prints, not CMYK where colors are not nearly to real human eye perception of beautiful wavelengths of lasers. Maybe I need a time machine or deep space travel vehicle to put my pictures on some planet which is in this stage of civilisation developement...

But interesting off topic discussion anyway...


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Last edited by Radim; 02-16-2017 at 12:34 PM.
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Old 02-16-2017, 12:40 PM #50
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Default Re: Rainbow dot?

That made me laugh Radim. Yes, we'd better get back on topic.
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Optotronics RPL 532nm DPSS Portables

Dragon Lasers offers the best option for 589nm (Yellow) Laser pointers.
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Old 02-16-2017, 03:20 PM #51
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Default Re: Rainbow dot?

Quote:
Originally Posted by CurtisOliver View Post
There is are 'white' laser diodes, but are not readily available yet. It is a sandwich of rgb again.
https://www.sciencedaily.com/release...0729101932.htm

That one was pumped by another laser, so probably not all that practical for a pointer, even if it was a commercial product.

The breakthrough there was that they managed to get three different gain mediums onto one semiconductor chip. That's long been an issue due to differences in the structure of each gain medium.

Perhaps one day, but I think it's a long way off before you see RGB on a single chip in a single diode can.

The KES400A uses 3 individual chips, one for each wavelength.
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Old 02-16-2017, 03:23 PM #52
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Default Re: Rainbow dot?

I didn't read it all through as I already have heard of them. I wasn't aware they were pumped by another laser. Still, it is progress at least.
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If you are after an RGB module, you can't go wrong with Optlasers. Their 400mW model is very high quality.
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Optotronics offers some of the highest output DPSS Portable Greens on the market. Their 1.4W RPL-II is by far their most amazing product and is known to be overspec.
Optotronics RPL 532nm DPSS Portables

Dragon Lasers offers the best option for 589nm (Yellow) Laser pointers.
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Sanwu are known to be very high quality and every newcomer should check them out.
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Bang good is a good source for many electrical items and are often cheap and reliable.
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Old 02-16-2017, 03:40 PM #53
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Default Re: Rainbow dot?

Quote:
Originally Posted by CurtisOliver View Post
I didn't read it all through as I already have heard of them. I wasn't aware they were pumped by another laser. Still, it is progress at least.

Yeah, still great progress! Slow and steady wins the race.
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Old 02-16-2017, 03:43 PM #54
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Default Re: Rainbow dot?

Yep Although there are some things I want to move along a little bit faster.
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Jetlasers PLE Pro's

If you are after an RGB module, you can't go wrong with Optlasers. Their 400mW model is very high quality.
Optlasers RGB Modules

Optotronics offers some of the highest output DPSS Portable Greens on the market. Their 1.4W RPL-II is by far their most amazing product and is known to be overspec.
Optotronics RPL 532nm DPSS Portables

Dragon Lasers offers the best option for 589nm (Yellow) Laser pointers.
Dragon Lasers Yellow Laser Pointers

Sanwu are known to be very high quality and every newcomer should check them out.
Sanwu Home

Bang good is a good source for many electrical items and are often cheap and reliable.
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For reliable safety goggles visit Survival Laser. Use LPF445 for a 10% member discount.
Eagle Pair Safety Goggles

For more sites and information please check out this thread.
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Old 02-16-2017, 03:52 PM #55
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Default Re: Rainbow dot?

Quote:
Originally Posted by CurtisOliver View Post
Yep Although there are some things I want to move along a little bit faster.

Likewise! I mean, it's 2017, we should have had flying cars at least two years ago!
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488nm | Spectra Physics 163 Argon | ~30mW Metered
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532nm | Gearbest 303 Pointer | 50mW Metered
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Old 02-16-2017, 03:56 PM #56
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Default Re: Rainbow dot?

Be realistic Diachi, according to iRobot, we are only meant to have cars on ball bearings by 2035. Give it another 30-40 years.
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Jet Lasers offers various high quality Diode/DPSS Portables in their PL-E Pro hosts. Jet Lasers are known for their quality and are respected on LPF.
Jetlasers PLE Pro's

If you are after an RGB module, you can't go wrong with Optlasers. Their 400mW model is very high quality.
Optlasers RGB Modules

Optotronics offers some of the highest output DPSS Portable Greens on the market. Their 1.4W RPL-II is by far their most amazing product and is known to be overspec.
Optotronics RPL 532nm DPSS Portables

Dragon Lasers offers the best option for 589nm (Yellow) Laser pointers.
Dragon Lasers Yellow Laser Pointers

Sanwu are known to be very high quality and every newcomer should check them out.
Sanwu Home

Bang good is a good source for many electrical items and are often cheap and reliable.
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For reliable safety goggles visit Survival Laser. Use LPF445 for a 10% member discount.
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For more sites and information please check out this thread.
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Old 02-16-2017, 08:39 PM #57
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Default Re: Rainbow dot?

BTW to contribute to the original topic - the rainbow dot - check out my latest post in my laser painting thread - I mean the extra picture. Even this is a way how to get rainbow from laser IMO.
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Old 02-16-2017, 11:02 PM #58
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Default Re: Rainbow dot?

How much would it cost for a custom pen with this diode please?
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Old 02-17-2017, 06:41 AM #59
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Default Re: Rainbow dot?

Quote:
Originally Posted by Elopement View Post
How much would it cost for a custom pen with this diode please?
What diode do you mean?
The RGB laser diode, which is still under developement or 405 nm laser diode I posted?

None of them is reasonable for you what you want. For RGB you would have to pay a lab for developing it for you (I cannot even imagine paying something like this for laser - however you can produce and sell them later ), and 405 nm is quite cheap, but the rainbow from fluorescence is just under quite special conditions and I posted it just as an interesting effect I noticed in my laser art.

To conclude and help you with your problem:

If you want reasonable cost, size and the best rainbow dot/circle you should go for:
1) RGB laser projector - many options of rainbow dots, but it is not very portable.
2) ArcticDude's RGB host (or something like this) - but you need to add there difraction grating or make some galvo optics to shape output into circle (or anything else desired) and in addition to connect and synchronise the galvos with driver for change of colors.

I'm not aware of anything more practical and it seems not even more experienced members of LPF.

You did not say for what you need the rainbow dot, therefore it is hard to suggest solution for you.
__________________
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"Laserpainting is a drug. Do not try it."


Current collection:
405 nm | 500 mW | Wicked Lasers Lunar
445 nm | 3.5 W | Wicked Lasers Arctic
473 nm | 100 mW | Jet Lasers PL-E Pro (Review)
520 nm | 1 W | Wicked Lasers Krypton
532 nm | 100 mW | Wicked Lasers Evo
532 nm | 800 mW | Sky Lasers PL

532 nm | 1.4+ W | Optotronics RPL-II
589 nm | 50 mW | Dragon Lasers Spartan
635 nm | 750 mW | Wicked Lasers Inferno
1 W RGB projector
(+ some laser pointers)

Laserpainting artworks:
LPF thread: Radim's laser painting
Latest laserpainting: Soul in the Surreal world
Instagram: @radimmatera

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Old 02-17-2017, 07:12 AM #60
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Default Re: Rainbow dot?

Quote:
Originally Posted by Elopement View Post
How much would it cost for a custom pen with this diode please?
Elopement, there is something very important aspect of how lasers work that you need to remember. Lasers are monochromatic (emits a very narrow line in the spectrum). In order to create the illusion of more colours, we have to combine multiple beams together following the rgb configuration.

There are lasers that emit multiple lines such as Argon and Krypton lasers, but they are huge inefficient gas lasers.

The other is a special super continuum laser also already mentioned, they are also not compact and cost a large fortune.

There simply isn't a technology readily available that can give you exactly what you want in a pointer form. That rgb portable is the closest to what you can achieve.
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Notable products/sites:

Jet Lasers offers various high quality Diode/DPSS Portables in their PL-E Pro hosts. Jet Lasers are known for their quality and are respected on LPF.
Jetlasers PLE Pro's

If you are after an RGB module, you can't go wrong with Optlasers. Their 400mW model is very high quality.
Optlasers RGB Modules

Optotronics offers some of the highest output DPSS Portable Greens on the market. Their 1.4W RPL-II is by far their most amazing product and is known to be overspec.
Optotronics RPL 532nm DPSS Portables

Dragon Lasers offers the best option for 589nm (Yellow) Laser pointers.
Dragon Lasers Yellow Laser Pointers

Sanwu are known to be very high quality and every newcomer should check them out.
Sanwu Home

Bang good is a good source for many electrical items and are often cheap and reliable.
Bang Good Home

For reliable safety goggles visit Survival Laser. Use LPF445 for a 10% member discount.
Eagle Pair Safety Goggles

For more sites and information please check out this thread.
Which company should I buy from? By Sta




Useful Links:
Wavelength to RGB Converter

Last edited by CurtisOliver; 02-17-2017 at 07:13 AM.
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Old 02-18-2017, 03:02 AM #61
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Default Re: Rainbow dot?

Thanks for all the info guys!
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Old 02-21-2017, 05:10 PM #62
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Default Re: Rainbow dot?

You're welcome Elopement.
__________________
Notable products/sites:

Jet Lasers offers various high quality Diode/DPSS Portables in their PL-E Pro hosts. Jet Lasers are known for their quality and are respected on LPF.
Jetlasers PLE Pro's

If you are after an RGB module, you can't go wrong with Optlasers. Their 400mW model is very high quality.
Optlasers RGB Modules

Optotronics offers some of the highest output DPSS Portable Greens on the market. Their 1.4W RPL-II is by far their most amazing product and is known to be overspec.
Optotronics RPL 532nm DPSS Portables

Dragon Lasers offers the best option for 589nm (Yellow) Laser pointers.
Dragon Lasers Yellow Laser Pointers

Sanwu are known to be very high quality and every newcomer should check them out.
Sanwu Home

Bang good is a good source for many electrical items and are often cheap and reliable.
Bang Good Home

For reliable safety goggles visit Survival Laser. Use LPF445 for a 10% member discount.
Eagle Pair Safety Goggles

For more sites and information please check out this thread.
Which company should I buy from? By Sta




Useful Links:
Wavelength to RGB Converter
CurtisOliver is online now   Reply With Quote
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