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Old 10-11-2009, 12:00 PM #1
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Default Help with green laser !!

Hi,

I'm just bought my second green laser. A dealextreme true 50mw(i know, i need some money first!!)

My laser goes dim/bright whenever it wants, I've bought Philips powerlife AAA 1.5v batteries and the laser had a small beam(not very bright). Then I've put in the batteries that came in the box(brand: Alkaline-TianQiu AAA 1.5v) and the laser was perfect, great beam, super bright. After like 10 minutes(not constant on) playing it went dim.

Does this laser consume so much energy? or is it a battery type/brand issue or is the laser broke/return it?

Thank you in advance, great forum!

Giuseppe22


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Old 10-11-2009, 12:04 PM #2
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Default Re: Help with green laser !!

Can you give me a link to the laser.. some lasers use 10440 batteries.. they are 3.6v and are the same size as AAA batteries.. if this is the case you must buy the 10440 betteries and charger which you can get a various places around the forum!! But I need the link to make sure!
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Lasers!
10.6um - >40W CO2 Laser - 25W RF excited CO2 Laser*
685nm - Being built!
660nm - 250mW LOC PowerLight B50 Host - 100mW WL pulsar
635nm - 430mW C6 Host*
632.8nm - Red He-Ne laser ~1mW
593.5nm - Regal 5
542.8nm - Green He-Ne laser ~2.5mW
532nm - 620mW+ lasersman Firedragon III* - 100mW PGL-III-M from JETLASERS* - 70mW Rayfoss Host*
~~~ - 175mW Rayfoss Host - <5mW WL Core - 55mW DinoDirect review laser*

488nm - On the hoist
473nm - 2x CNI lab lasers ~40mW
445nm - 3W Big Boyz Laser - >1.1W Cree C6 Host - 650mW WL Arctic
405nm - 65mW GLP-405 Aquarius host - 160mW 6x Blu-ray MXDL Host
Total: 71,868.5 mW

Goggles!
Laser glow LSG-532-Sport protective eye goggles OD 7+ 190-532nm HIGHLY RECOMMENDED!!
Jetlasers wrap around 190-540nm OD4+ goggles*
Eagle Pair Red OD4+ goggles
Scopeguy20 Blublockers for 405nm lasers!

* indicates a review has been done, on this item.

Check out my How to Build a Selectable Dummy Load Thread!
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Old 10-11-2009, 12:09 PM #3
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Default Re: Help with green laser !!

Hi, this is the link:

DealExtreme: $20.90 True 50mW Green Laser Pointer Pen Black
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Old 10-11-2009, 12:24 PM #4
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Default Re: Help with green laser !!

ok this is why I needed to check

Max Output: <= 50mW (manufacturer rated)
Wave Length: 532nm
Output wave: Continuous wave
Class: Class 3B (update: the factory has confirmed this to be a genuine Samsung Laser Chip rated 3B)
Power: 2 x AAA battery (included)
Time to reach full laser strength: 0 to 60 seconds
Comparison: About 2 times brighter than the 10mW green laser with a bigger dot and a more visible beam

Length: 5.59 "
Width: 0.51 "
Weight: 1.98 oz

Length: 9.0 cm
Width: 1.3 cm
Weight: 56.2 gram

ok well it takes 2 AAA batteries so this problem must be caused by something else.

just a few questions

1) have you ever dropped it?
2) have you put the batteries in the oppersite way?
3) have you tampered with it at all?

if the answers to the questions are all no.. then it could be a contact issue.. try putting a ball of tin foil at the end of the battery, the side oppersite to the laser end. see if that fixes the issue!

-Adrian
__________________
Lasers!
10.6um - >40W CO2 Laser - 25W RF excited CO2 Laser*
685nm - Being built!
660nm - 250mW LOC PowerLight B50 Host - 100mW WL pulsar
635nm - 430mW C6 Host*
632.8nm - Red He-Ne laser ~1mW
593.5nm - Regal 5
542.8nm - Green He-Ne laser ~2.5mW
532nm - 620mW+ lasersman Firedragon III* - 100mW PGL-III-M from JETLASERS* - 70mW Rayfoss Host*
~~~ - 175mW Rayfoss Host - <5mW WL Core - 55mW DinoDirect review laser*

488nm - On the hoist
473nm - 2x CNI lab lasers ~40mW
445nm - 3W Big Boyz Laser - >1.1W Cree C6 Host - 650mW WL Arctic
405nm - 65mW GLP-405 Aquarius host - 160mW 6x Blu-ray MXDL Host
Total: 71,868.5 mW

Goggles!
Laser glow LSG-532-Sport protective eye goggles OD 7+ 190-532nm HIGHLY RECOMMENDED!!
Jetlasers wrap around 190-540nm OD4+ goggles*
Eagle Pair Red OD4+ goggles
Scopeguy20 Blublockers for 405nm lasers!

* indicates a review has been done, on this item.

Check out my How to Build a Selectable Dummy Load Thread!
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Old 10-11-2009, 12:49 PM #5
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Default Re: Help with green laser !!

hi,

1) have you ever dropped it?
no
2) have you put the batteries in the oppersite way?
no
3) have you tampered with it at all?
no


if the answers to the questions are all no.. then it could be a contact issue.. try putting a ball of tin foil at the end of the battery, the side oppersite to the laser end. see if that fixes the issue!

Already tried, also with a little spring. Didn't seem to matter..
So i should return it huh..?
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Old 10-11-2009, 09:15 PM #6
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Default Re: Help with green laser !!

Quote:
hi,

1) have you ever dropped it?
no
2) have you put the batteries in the oppersite way?
no
3) have you tampered with it at all?
no


if the answers to the questions are all no.. then it could be a contact issue.. try putting a ball of tin foil at the end of the battery, the side oppersite to the laser end. see if that fixes the issue!

Already tried, also with a little spring. Didn't seem to matter..
So i should return it huh..?
Well unless another member can think of a reason, and if you can't think of any other reason why this would happen... that might be a good idea.. you might want to next time invest in a better company so save you this hassel.

BTW those Philips powerlife AAA 1.5v batteries were band new right?

hope that helped!
__________________
Lasers!
10.6um - >40W CO2 Laser - 25W RF excited CO2 Laser*
685nm - Being built!
660nm - 250mW LOC PowerLight B50 Host - 100mW WL pulsar
635nm - 430mW C6 Host*
632.8nm - Red He-Ne laser ~1mW
593.5nm - Regal 5
542.8nm - Green He-Ne laser ~2.5mW
532nm - 620mW+ lasersman Firedragon III* - 100mW PGL-III-M from JETLASERS* - 70mW Rayfoss Host*
~~~ - 175mW Rayfoss Host - <5mW WL Core - 55mW DinoDirect review laser*

488nm - On the hoist
473nm - 2x CNI lab lasers ~40mW
445nm - 3W Big Boyz Laser - >1.1W Cree C6 Host - 650mW WL Arctic
405nm - 65mW GLP-405 Aquarius host - 160mW 6x Blu-ray MXDL Host
Total: 71,868.5 mW

Goggles!
Laser glow LSG-532-Sport protective eye goggles OD 7+ 190-532nm HIGHLY RECOMMENDED!!
Jetlasers wrap around 190-540nm OD4+ goggles*
Eagle Pair Red OD4+ goggles
Scopeguy20 Blublockers for 405nm lasers!

* indicates a review has been done, on this item.

Check out my How to Build a Selectable Dummy Load Thread!
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Old 10-12-2009, 06:14 PM #7
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Default Re: Help with green laser !!

Okay, yes the philips were brand new, right out of the package. But still the Alkaline(also brandnew) were brighter the first 10 minutes of use. I've noticed my laser warms up after about 20-25 seconds, you can see a really thin beam. But it's just not the same as it was that whole 10 minutes of Alkaline.

Also I don't know if I will return it, it was only 20$ and I would have to pay for sending it back, and receiving a new one. I think i'll save for a better one from o-like or something like that.

Thanks for your help
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Old 10-12-2009, 06:54 PM #8
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Default Re: Help with green laser !!

The problem is NOT your batteries. It is a temperature related issue. Here's a link that should help you get an idea of what is going on: Some FAQs about green DPSS lasers

With cheap green lasers, stability is nonexistent. You could RMA it, but you might end up with something worse. If you want decent stability from your greenie, DX is not the place to go. Stick with o-like,com, rayfoss.com, or budgetgadgets.com. The most stable cheap greenie I've ever had personally was the 30mW kaleidoscopic unit from budgetgadgets.com.
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Sam's Laser FAQ (The Laser Bible)

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RP Photonics Encyclopedia of Laser Physics and Technology

http://www.rp-photonics.com/encyclopedia.html

ULTIMATE DIY PROJECTOR REFERENCE

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Last edited by ElektroFreak; 10-12-2009 at 07:14 PM.
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