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Old 10-31-2016, 03:42 PM #49
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Default Re: Weird POV effect with 589nm.

I can see which direction I am going now, DPSS will be my next hobby within the hobby. I recently found a bunch of crystals on ebay fairly cheaply which were already mounted on brass holders with TEC's attached, I will be rotating the laser diode with those, I guess, easier to do that for those. I would like to find some nice crystal holders which are mounted inside a tube, or something I easily turn in a mount.

Thank you, I am fortunate to have this kind of help on a rather esoteric technology.


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Old 10-31-2016, 03:45 PM #50
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Default Re: Weird POV effect with 589nm.

You are very welcome. It is a great area of lasers, and it is responsible for some of our most loved exotic wavelengths. It is expensive though. Cost is the only thing that has stopped me actually making my own.
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Notable products/sites:

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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.
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Old 11-01-2016, 02:31 AM #51
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Default Re: Weird POV effect with 589nm.

Quote:
Originally Posted by CurtisOliver View Post
...20mW Aurora...
Holy cow! Did it actually meter that high? How's the stability on that thing? That is DAMN impressive!

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Originally Posted by Dr.Laser View Post
Nope, that my nickname since registration. I'm just lurking most of the time.
And you've had that same avatar for nearly a decade lol. I remember you!
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Old 11-01-2016, 07:26 AM #52
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Default Re: Weird POV effect with 589nm.

It hasn't been metered yet, but I can see it reaching 25-30mW when at peak conditions. It is similar in brightness to a 20mw 532, so it has to be within that range. Stability is pretty good considering. Temperature and battery current affects the output power. And sometimes it will run in TEM01 mode. But most of the time it runs in a stable TEM00 state. The Spartan is even more impressive.
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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.
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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Old 11-02-2016, 01:31 AM #53
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Default Re: Weird POV effect with 589nm.

Quote:
Originally Posted by CurtisOliver View Post
It hasn't been metered yet, but I can see it reaching 25-30mW when at peak conditions. It is similar in brightness to a 20mw 532, so it has to be within that range. Stability is pretty good considering. Temperature and battery current affects the output power. And sometimes it will run in TEM01 mode. But most of the time it runs in a stable TEM00 state. The Spartan is even more impressive.
Man that is impressive!

I've got a Spartan 50 that will do almost 100mW on a good day. I was figuring I could hope for about double the rated 5mW from the Aurora too. Jeez! If I get a consistent 7-8 out of mine I'll be good to go! Anything more than that is just icing on the cake.
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Old 11-02-2016, 07:31 AM #54
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Default Re: Weird POV effect with 589nm.

The Aurora and Spartan are known for being overspec usually. You should at the very least get 10-15mW. It all depends on the crystal alignment, temperature, diode efficiency etc. You may get lucky, you may not. The Spartans are amazing in power. If you was to get those power levels in a lab, you would be looking at $$$$'s.
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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.
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Old 11-04-2016, 05:34 AM #55
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Default Re: Weird POV effect with 589nm.

Quote:
Originally Posted by CurtisOliver View Post
The Aurora and Spartan are known for being overspec usually. You should at the very least get 10-15mW. It all depends on the crystal alignment, temperature, diode efficiency etc. You may get lucky, you may not. The Spartans are amazing in power. If you was to get those power levels in a lab, you would be looking at $$$$'s.

my spartan gets 62 mW it dosen't drop in the cold atleast not visiblly.


it rolled of my bed like 12 days ago. I was like ohhh crap this is never gonna work after falling a few feet onto a hardwood floor. But the LPM didn't change damn tough laser.
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Old 11-04-2016, 06:38 AM #56
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Default Re: Weird POV effect with 589nm.

Yes they are tough, but you are still lucky on that one. As my spartan must be getting up to 80mW (not lpm'd) and beyond, it is probably more noticeable when it does drop.
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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




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Old 11-04-2016, 06:44 AM #57
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Default Re: Weird POV effect with 589nm.

80nw is a LOT of power for one of those pointers, wow. I wonder how hard they are pumping those crystals to get that.
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Old 11-04-2016, 07:35 AM #58
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Default Re: Weird POV effect with 589nm.

Probably around a 1-1.5w for the 808, I can imagine. They are roughly 5% efficienct.
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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




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Old 11-04-2016, 12:18 PM #59
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Default Re: Weird POV effect with 589nm.

More efficient than I thought.
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Sincerely investigate any of these three short quotes as new concepts and you've taken your first step into a larger world:

"I regard consciousness as fundamental. I regard matter as derivative from consciousness..." - Max Planck. "Everything we call real is made of things that cannot be regarded as real" - Neils Bohr. "What we call physical things and events do not exist independently of subjective experience..." - Deepak Chopra.

Each of these three rabbit holes go deep, ending up in the same place.

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Old 11-04-2016, 12:26 PM #60
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Default Re: Weird POV effect with 589nm.

They are quite surprising. Based on the battery life of a single 18650, I am only guessing that the pump is 1.5W. It may be 2W. But as others have been known to be hitting 100mW at times, 5% probably is about right.
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Old 11-04-2016, 04:52 PM #61
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Default Re: Weird POV effect with 589nm.

Wikipedia needs updating:

Quote:
Wikipedia:
Yellow[edit]
Yellow laser pointers emitting at 593.5 nm became available in the last few years[when?]. Although they are based on the DPSS process, in this case two lasing lines of the ND:YVO4, 1064 nm and 1342 nm, are summed together with a nonlinear crystal. The complexity of this process makes these laser pointers inherently unstable and inefficient, with their outputs ranging from 1 mW to about 10 mW, greatly varying with temperature and usually mode-hopping if they get too hot or too cold. That is because such a complex process may require temperature stabilizers and active cooling, which can't be mounted into a small-sized host. Also, most smaller 593.5 nm pointers work in pulsed mode, so they can use smaller and less powerful pumping diodes.[citation needed] New 589 nm yellow laser pointers have been introduced using a more robust and secretive method[clarify] of harmonic generation from a DPSS laser system. This "sodium" wavelength, although only 4.5 nm away from the older 593.5 nm, appears more gold in colour compared to the more amber appearance of the 593.5 nm wavelength. Astronomical observatories use a specially tuned dye laser at 589.2 nm (yellow) to create a laser guide star for use with astronomical adaptive optics.
They say far less power than what is being produced from these pointers.
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Old 11-04-2016, 04:55 PM #62
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Default Re: Weird POV effect with 589nm.

The 589's have advanced a lot. Never though we would see 100mW in a portable. A lot of things need updating in the laser world now as the technology is moving quickly.
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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.
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Old 01-10-2017, 12:01 PM #63
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Default Re: Weird POV effect with 589nm.

A late thank you diachi, I just found your response today, watched the video, very good info, and if Planters ever comes back, I hope to thank him too.
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Sincerely investigate any of these three short quotes as new concepts and you've taken your first step into a larger world:

"I regard consciousness as fundamental. I regard matter as derivative from consciousness..." - Max Planck. "Everything we call real is made of things that cannot be regarded as real" - Neils Bohr. "What we call physical things and events do not exist independently of subjective experience..." - Deepak Chopra.

Each of these three rabbit holes go deep, ending up in the same place.

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Old 01-10-2017, 03:15 PM #64
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Default Re: Weird POV effect with 589nm.

Quote:
Originally Posted by Alaskan View Post
A late thank you diachi, I just found your response today, watched the video, very good info, and if Planters ever comes back, I hope to thank him too.

No problem ... I keep hoping he posts more videos, the one's he already has uploaded are great.
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