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Old 05-22-2017, 05:49 PM #17
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Default Re: Laserlands 5mW 520nm Pointer - Review - Finally

Aha, now you put that diode part number up in the thread I remember now, just call me random access memory.


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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 05-22-2017, 06:01 PM #18
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Default Re: Laserlands 5mW 520nm Pointer - Review - Finally

I'll have to make sure that it is the diode I'm used is in fact the one I mentioned.
But yes, it is an example of a 5mw 520.
Lol, how much ram do you have? 8 or 16gb?
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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.
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For reliable safety goggles visit Survival Laser. Use LPF445 for a 10% member discount.
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Last edited by CurtisOliver; 05-22-2017 at 06:01 PM.
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Old 05-22-2017, 06:02 PM #19
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Default Re: Laserlands 5mW 520nm Pointer - Review - Finally

500 meg. Didn't have it in RAM had to go to the HD but without the address, didn't know where to go.
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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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Last edited by Alaskan; 05-22-2017 at 06:03 PM.
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Old 05-22-2017, 06:07 PM #20
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Default Re: Laserlands 5mW 520nm Pointer - Review - Finally

Just as well I run a free data recovery service to restore deleted and fix corrupted file shortcuts.
__________________
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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Last edited by CurtisOliver; 05-22-2017 at 06:08 PM.
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Old 05-22-2017, 06:15 PM #21
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Default Re: Laserlands 5mW 520nm Pointer - Review - Finally

My brain's RAM has seemed to decrease over the years too. Would hate to try to put a number to it. Wish it were as easy to recover that memory.
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Old 05-22-2017, 06:23 PM #22
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Default Re: Laserlands 5mW 520nm Pointer - Review - Finally

Not helpful now, but I reckon in many years time scientists may achieve this to some extent. Worth a thought.
__________________
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
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Old 05-22-2017, 10:25 PM #23
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Default Re: Laserlands 5mW 520nm Pointer - Review - Finally

Where the hell did Diachi disappear to, he needs to be here every day.
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To shorten my signature I have moved most of my laser related web links to this forum page, the second post in that thread shows most of my builds... Alaskan's Laser Links: http://laserpointerforums.com/f44/al...ml#post1449395


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 05-22-2017, 11:24 PM #24
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Default Re: Laserlands 5mW 520nm Pointer - Review - Finally

I know. We should punish him for abandonment of the forum. This is going way too far.
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477nm 127 mW 501B
488nm Uniphase #2201-20SLAT argon laser head and power supply >40mW
520nm LaserLands pointer
532nm LSR532H-1W Laser, LSR-PS-N1 Driver, RS-75-5 P.S. 1300 mW
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532nm 189mW pocket lab laser
532nm lasers X6 100mW-200mW
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632.8nm Spectra- Physics He- Ne #102-2 4mW heads X2 and #236 power supply
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635nm Lifetime17 Mini-camo build 687mW
650nm 65mW pointer
650nm 380mW 501B
808nm 1+W infrared laser
infrared video camera for collimating IR lasers
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Old 05-22-2017, 11:50 PM #25
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Default Re: Laserlands 5mW 520nm Pointer - Review - Finally

I have a PM waiting for him asking a question about Z-fold laser cavity for DPSS. Maybe you know, why the Z? Is it just to make the length of the cavity more compact? Why not an L-fold with OC output?
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To shorten my signature I have moved most of my laser related web links to this forum page, the second post in that thread shows most of my builds... Alaskan's Laser Links: http://laserpointerforums.com/f44/al...ml#post1449395


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 05-23-2017, 08:01 PM #26
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Default Re: Laserlands 5mW 520nm Pointer - Review - Finally

Quote:
Originally Posted by Alaskan View Post
Where the hell did Diachi disappear to, he needs to be here every day.
Long weekend, wasn't on the computer a whole bunch. Looks like I've got some catching up to do.

Quote:
Originally Posted by paul1598419 View Post
I know. We should punish him for abandonment of the forum. This is going way too far.
That seems fair!

Quote:
Originally Posted by Alaskan View Post
I have a PM waiting for him asking a question about Z-fold laser cavity for DPSS. Maybe you know, why the Z? Is it just to make the length of the cavity more compact? Why not an L-fold with OC output?
Can L-Fold too, uses less optics, but there's reason for using more folds. Can fit a longer cavity in a shorter (although, wider) box with the fold too (Z-fold would be longer again, look up effects of cavity length, short vs long), plus changes in waist positioning for SHG depending on how you go about it (can minimize waist diameter and maximize conversion efficiency, altar intracavity beam width to meet damage threshold limitations etc...). There will be other considerations (compensating for thermal lensing, astigmastism and other effects), man to talk to if you want specific details is Steve (mixedgas) on PL or Planters (builder of that beautiful end pumped Nd:YVO4/KTP Z-fold), also found mostly on PL.


Quote:
Just checked with mine and a Sanwu beam expander does indeed fit perfectly.
Why didn't i think of this for mentioning that. Now I know I can use my expander on both my 405 challenger AND this laser.
Brad, thanks for verifying that, looked like it would fit a BE but I didn't have anything around to test with.

Quote:
AS I mentioned in PM.. your LaserBee 2.5W USB LPM was
last calibrated 5 1/2 years ago and the sensor's coating
has seen better days. (I know it is 2nd hand)
That being said a newly coated and recently calibrated
LaserBee 15mm X 15mm Thermopile Sensor will detect
a Laser as low as 1mW +/-5% 1Digit.

Jerry
Thanks for getting back to me on that. I'll need to upgrade my LPM at some point, or at least send that one back for a fresh sensor and calibration... Not on the budget just now though, just ordered a cheap oscilloscope over the weekend plus some other stuff.
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445nm | Sanwu Laser Pocket Series | 400mW Metered
445nm | NDB7242E Pen Build | 60mW Metered | >>Build Thread<<
450nm | LaserPointerStore - Thor H2 | 1W(?) | Review Unit | >>Review<<
488nm | Spectra Physics 163 Argon | ~30mW Metered
515nm | PL515 Pen Build | 50mW Metered | >>Build Thread<<
520nm | Laserlands 520 | 5mW | Review Unit | 3mW metered | >>Review<<
532nm | Gearbest 303 Pointer | 50mW Metered
532nm | Gearbest JD-850 Pointer | 30mW Metered (I think, need to re-test).
633nm | HeNe | 6mW
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Old 05-23-2017, 09:24 PM #27
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Default Re: Laserlands 5mW 520nm Pointer - Review - Finally

Congratulations on getting an Oscilloscope. I would be lost without mine. That's why it's been my avatar for so long. I've been studying DPSS lasers lately and there is some great information on them. Much of it on Sam's FAQs. I have been looking into the optical setups and found some great info on pumping optics and improving efficiency with angles for pumping Nd:YAGs and changing optical setups by small increments. Still have a lot of information to go through before I'll have a good understanding of higher power systems.
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Last edited by paul1598419; 05-23-2017 at 09:24 PM.
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Old 05-23-2017, 10:05 PM #28
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Default Re: Laserlands 5mW 520nm Pointer - Review - Finally

Quote:
Originally Posted by paul1598419 View Post
Congratulations on getting an Oscilloscope. I would be lost without mine. That's why it's been my avatar for so long. I've been studying DPSS lasers lately and there is some great information on them. Much of it on Sam's FAQs. I have been looking into the optical setups and found some great info on pumping optics and improving efficiency with angles for pumping Nd:YAGs and changing optical setups by small increments. Still have a lot of information to go through before I'll have a good understanding of higher power systems.

Thanks! Picked up one of these for $55 USD (Seller was asking $70, but took my offer of $55, less shipping which was expensive to my location of course).



Dual channel, 60MHz, 60 day DOA warranty. Ordered a couple probes for $20(CAD) too. Should do the job for me and doesn't break the bank. Seller had a bunch, reviews seem to suggest they are all functional on arrival.

DPSS sure is an interesting topic, lots of great info on the FAQ. I've still got lots of reading to do myself, lots of books and scientific papers out there.
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445nm | Sanwu Laser Pocket Series | 400mW Metered
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515nm | PL515 Pen Build | 50mW Metered | >>Build Thread<<
520nm | Laserlands 520 | 5mW | Review Unit | 3mW metered | >>Review<<
532nm | Gearbest 303 Pointer | 50mW Metered
532nm | Gearbest JD-850 Pointer | 30mW Metered (I think, need to re-test).
633nm | HeNe | 6mW
633nm | Spectra Physics 155 HeNe | <1mW >>Thread<<
650nm | Sanwu Laser Pocket Series | 200mW Metered
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Last edited by diachi; 05-23-2017 at 10:07 PM.
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Old 05-23-2017, 10:26 PM #29
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Default Re: Laserlands 5mW 520nm Pointer - Review - Finally

Looks like a nice little scope. You will be able to do so much more now that you have it. The only thing that might concern me about it is the triggering. Hopefully, it won't be a problem. The scientific papers are great too. It would be easier if they were compiled like Sam does with his information.
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445nm 2.2 watts Nichia MS Envy

445nm 2 watt SMP Copper Host
477nm 127 mW 501B
488nm Uniphase #2201-20SLAT argon laser head and power supply >40mW
520nm LaserLands pointer
532nm LSR532H-1W Laser, LSR-PS-N1 Driver, RS-75-5 P.S. 1300 mW
532nm 200mW Thermostatically Controlled Fan Cooled (Besram) >230mW
532nm 189mW pocket lab laser
532nm lasers X6 100mW-200mW
532nm lasers X4 75mW- 140mW
632.8nm P210 New Laser Tube 0.57mW Melles Griot 05-LMP-827-037 PS
632.8nm Spectra- Physics He- Ne #102-2 4mW heads X2 and #236 power supply
632.8nm PMS He-Ne # 201P/ LPS-115 2mW
632.8nm Siemens HeNe LGK7630S 7.6mW
635nm 1 watt Cyprus II
635nm 1 watt SMP Copper host
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635nm 100mW pointer
635nm Lifetime17 Mini-camo build 687mW
650nm 65mW pointer
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Last edited by paul1598419; 05-23-2017 at 10:29 PM.
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Old 05-23-2017, 10:40 PM #30
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Default Re: Laserlands 5mW 520nm Pointer - Review - Finally

Quote:
Originally Posted by paul1598419 View Post
Looks like a nice little scope. You will be able to do so much more now that you have it. The only thing that might concern me about it is the triggering. Hopefully, it won't be a problem. The scientific papers are great too. It would be easier if they were compiled like Sam does with his information.

Triggering functionality doesn't look fancy, but standard options appear to be there. Sufficient for my sort of uses I'd think.

But yes, it'll open up a whole bunch of options!
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405nm | Banggood LT-850 | "5mW" | Review Unit | Review WIP
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450nm | LaserPointerStore - Thor H2 | 1W(?) | Review Unit | >>Review<<
488nm | Spectra Physics 163 Argon | ~30mW Metered
515nm | PL515 Pen Build | 50mW Metered | >>Build Thread<<
520nm | Laserlands 520 | 5mW | Review Unit | 3mW metered | >>Review<<
532nm | Gearbest 303 Pointer | 50mW Metered
532nm | Gearbest JD-850 Pointer | 30mW Metered (I think, need to re-test).
633nm | HeNe | 6mW
633nm | Spectra Physics 155 HeNe | <1mW >>Thread<<
650nm | Sanwu Laser Pocket Series | 200mW Metered
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Old 05-23-2017, 11:38 PM #31
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Default Re: Laserlands 5mW 520nm Pointer - Review - Finally

Who made it? I don't recognize it at all and the brand is not visible.
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Thor H Dual Power 445nm, 438 mW & 1648 mW
445nm 1.75 watts SkyRay Gifted
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445nm 2.2 watts Nichia MS Envy

445nm 2 watt SMP Copper Host
477nm 127 mW 501B
488nm Uniphase #2201-20SLAT argon laser head and power supply >40mW
520nm LaserLands pointer
532nm LSR532H-1W Laser, LSR-PS-N1 Driver, RS-75-5 P.S. 1300 mW
532nm 200mW Thermostatically Controlled Fan Cooled (Besram) >230mW
532nm 189mW pocket lab laser
532nm lasers X6 100mW-200mW
532nm lasers X4 75mW- 140mW
632.8nm P210 New Laser Tube 0.57mW Melles Griot 05-LMP-827-037 PS
632.8nm Spectra- Physics He- Ne #102-2 4mW heads X2 and #236 power supply
632.8nm PMS He-Ne # 201P/ LPS-115 2mW
632.8nm Siemens HeNe LGK7630S 7.6mW
635nm 1 watt Cyprus II
635nm 1 watt SMP Copper host
635nm 5mW pointer
635nm 100mW pointer
635nm Lifetime17 Mini-camo build 687mW
650nm 65mW pointer
650nm 380mW 501B
808nm 1+W infrared laser
infrared video camera for collimating IR lasers
Ocean Optics USB2000 Spectrometer
Scientech Vector S310 with AC2500 10 Watt LPM
LaserBee II 3.2 Watt LPM
Radiant X4 3.7 Watt LPM
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Old 05-24-2017, 02:59 PM #32
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Default Re: Laserlands 5mW 520nm Pointer - Review - Finally

Quote:
Originally Posted by paul1598419 View Post
Who made it? I don't recognize it at all and the brand is not visible.
EZ Digital, they're a Korean company. Not going to be quite Tek' or LeCroy quality but still reasonable enough.
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405nm | Banggood LT-850 | "5mW" | Review Unit | Review WIP
445nm | Sanwu Laser Pocket Series | 400mW Metered
445nm | NDB7242E Pen Build | 60mW Metered | >>Build Thread<<
450nm | LaserPointerStore - Thor H2 | 1W(?) | Review Unit | >>Review<<
488nm | Spectra Physics 163 Argon | ~30mW Metered
515nm | PL515 Pen Build | 50mW Metered | >>Build Thread<<
520nm | Laserlands 520 | 5mW | Review Unit | 3mW metered | >>Review<<
532nm | Gearbest 303 Pointer | 50mW Metered
532nm | Gearbest JD-850 Pointer | 30mW Metered (I think, need to re-test).
633nm | HeNe | 6mW
633nm | Spectra Physics 155 HeNe | <1mW >>Thread<<
650nm | Sanwu Laser Pocket Series | 200mW Metered
808nm | Melles Griot 532nm Lab Unit | No Crystals >10W | X2



Check out my Reddit Subreddit! >>/r/laserpointers<<

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