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Old 07-14-2010, 03:43 AM #49
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Default Re: Building Laser Pointers Using the 445nm Laser Diodes

Quote:
Originally Posted by hakzaw1 View Post
Pretty much covered all the bases--good emphasis on safety-gotta +rep you on this sir!!!

one question tho--any advantage or disavantage to removing the pink plastic part from the diode pins, in your opinion?

Does it help to seat the diode in the AixiZ module properly?


for a job well done.
I leave it on, just to help stabilize the pins.(keep them from bending) during the pressing into the module. Also keeps them from breaking off, for the noobies.
The only other concern I have would be it melting. But if your diode is getting that hot, you need better heat-sinking.


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Laser count = {88}
Builds by me = 19
670nm=2
650nm=33
635nm2
532nm=14
445nm=2
405nm=13
Scanners and Other Show Lasers=8
Red & Green He-Ne lasers=15
488nm Argon and other Gas Lasers=1
Laser tools (not included in total)=12
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Old 07-15-2010, 01:06 AM #50
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Default Re: Building Laser Pointers Using the 445nm Laser Diodes

Thanks for that advice Mark--I will leave the 1+watt 445s to the younger crowd--I am more laid back and comfortable with 5-600 mWs a good HS and a duty/rest cycle to make my 445s last forever.---hak
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QS/FB3 +Beyond-APC40-Mamba Black(clone) 5paghettix2 and I-show x2-Kasio synth-midi
KGB- 532 1.1W 445 2.2W 655 1.3W DT Pro 40 still needs more red.
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Laserking 1300RGB FULL COLOR 30K(may be FS)
Laserking RGB LK PD2 500 and LK SD 850
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HeNes-(12)R(3)G-COH-594/5 mW-thnx DrSam
MULTILINE-147mW[
445nm 180mW-Mini spiro-Yob.
LPMs-RadiantAlpha& Pro5W-AixiZ SPER/KenmeterLite/LB1
Spacelas 1178mW 655nm/AixiZ 300mW532&
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JETLRS1.3W&1.2W-MGL-H
638 180mW ttl mimi lab (av. 230mW)
405 100mW ttl mini lab
445 300 mW ttl mni lab ^AixiZ^ all for a lumia PJ
*MightyMite 2000* RGB all diode 2.2W 30K- 637/520./450...NEW!!
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Old 07-21-2010, 01:13 AM #51
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Default Re: Building Laser Pointers Using the 445nm Laser Diodes

This is awesome.
I'm just waiting for my JayRob kit to come in and the Module.

I just hope i don't kill the diode by overheating it by soldering.

oh and a question, i've seen some heat-shrink tubing over the wire connecting from the driver to the diode: which is better? (solder or heat-shrink)
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2x <5mW 405nm(E-Bay)
200mW Blu-Ray 405nM (O-Like)
445nm 540mA Jayrob Build --- Coming Soon
150mW Cute Pocket 532nm (O-Like)
<5mW Green (Radioshack)
200mW 650nm (O-Like)
<5mW Toy Pointers --- Gone.

The Most Important Things for This Hobby: Goggles. (405,445,532, 650)
Batteries and Chargers.

Last edited by EhdisChris; 07-21-2010 at 02:04 AM.
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Old 07-21-2010, 02:23 AM #52
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Talking Re: Building Laser Pointers Using the 445nm Laser Diodes

Quote:
Originally Posted by EhdisChris View Post
This is awesome.
I'm just waiting for my JayRob kit to come in and the Module.

I just hope i don't kill the diode by overheating it by soldering.

oh and a question, i've seen some heat-shrink tubing over the wire connecting from the driver to the diode: which is better? (solder or heat-shrink)
Actually, both. I insert the pieces of heat-shrink tubing to each of the two wires, sliding the tubing all the way to the driver. I then solder the wires to the diode. Next, I slide the tubing now all the way to the diode and using the heat of the soldering iron, I hover it over the tubing on both soldered pins, without touching it (otherwise, you will leave burned marks), until the tubing has shrank neatly to the pin and soldered wires.

I use the tubing to give it stability to the pins and to protect them coming into contact and creating a short.

Once you get your kit, please let me kow if you have any questions.
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Building Laser Pointers Using the 445nm Laser Diodes
Diode Lasers:
405nm: 15 and 35mW built, PHR 405nm, 100mW, Dagin's Dorcy built ~200mW
445nm: Built ~3W and Jayrob Built - 445nm <1W
532nm: 70mW and ~200mW
635/650nm: 200mW, and several builds
Gas Lasers:
337nm: Nitrogen (N2) laser, 3mW, 175uJ/pulse, peak @ 30kW and a 6mW, 260uJ/pulse, peak @ 75kW
632nm: Melles Griot HeNe, 0.5, 1. 0 5 0 and 15. 0mW
Dye Laser(s):

380-~1000nm: Different laser dyes, different wavelenghts, different laser powers.

Crystal Laser:
Holmium YAG (Ho:YAG) laser, 2.1 μm, 53W

Assorted laser accessories, including LPM, optics, and a holography table.
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Old 07-21-2010, 02:25 AM #53
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Default Re: Building Laser Pointers Using the 445nm Laser Diodes

Quote:
Originally Posted by jmgallego View Post
Actually, both. I insert the pieces of heat-shrink tubing to each of the two wires, sliding the tubing all the way to the driver. I then solder the wires to the diode. Next, I slide the tubing now all the way to the diode and using the heat of the soldering iron, I hover it over the tubing on both soldered pins, without touching it (otherwise, you will leave burned marks), until the tubing has shrank neatly to the pin and soldered wires.

I use the tubing to give it stability to the pins and to protect them coming into contact and creating a short.

Once you get your kit, please let me kow if you have any questions.
Awesome
yeah that cleared it up a whole lot.
__________________
2x <5mW 405nm(E-Bay)
200mW Blu-Ray 405nM (O-Like)
445nm 540mA Jayrob Build --- Coming Soon
150mW Cute Pocket 532nm (O-Like)
<5mW Green (Radioshack)
200mW 650nm (O-Like)
<5mW Toy Pointers --- Gone.

The Most Important Things for This Hobby: Goggles. (405,445,532, 650)
Batteries and Chargers.
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Old 07-21-2010, 02:26 AM #54
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Default Re: Building Laser Pointers Using the 445nm Laser Diodes

Quote:
Originally Posted by tekniklyraul View Post
in this part you said


2. Although there are several ways to “press-fit” the diode into the Aixiz, I prefer the way someone described here a while back. Place the small hole of the back half of the Aixiz housing on top of the diode. Make sure the pins of the diode are inside and that is properly aligned as in this photo and press it slightly, enough to hold in place:



After this you will not ned the back half of the Aixiz housing, CORRECT?
right?
If you are doing this built, that is correct. There are other designs that use the complete set.
__________________
Building Laser Pointers Using the 445nm Laser Diodes
Diode Lasers:
405nm: 15 and 35mW built, PHR 405nm, 100mW, Dagin's Dorcy built ~200mW
445nm: Built ~3W and Jayrob Built - 445nm <1W
532nm: 70mW and ~200mW
635/650nm: 200mW, and several builds
Gas Lasers:
337nm: Nitrogen (N2) laser, 3mW, 175uJ/pulse, peak @ 30kW and a 6mW, 260uJ/pulse, peak @ 75kW
632nm: Melles Griot HeNe, 0.5, 1. 0 5 0 and 15. 0mW
Dye Laser(s):

380-~1000nm: Different laser dyes, different wavelenghts, different laser powers.

Crystal Laser:
Holmium YAG (Ho:YAG) laser, 2.1 μm, 53W

Assorted laser accessories, including LPM, optics, and a holography table.
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Old 07-21-2010, 02:32 AM #55
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Default Re: Building Laser Pointers Using the 445nm Laser Diodes

Quote:
Originally Posted by hakzaw1 View Post
Pretty much covered all the bases--good emphasis on safety-gotta +rep you on this sir!!!

one question tho--any advantage or disavantage to removing the pink plastic part from the diode pins, in your opinion?

Does it help to seat the diode in the AixiZ module properly?

for a job well done.
THANK YOU VERY MUCH hakzaw1!!

I had never done the pressing with jumper (or pin support) on the diodes before. I always have taken them out and the pressed the diode. In this case I left it and pressed it without any problem.

The pink plastic part will stand the heat generated by the laser diode, it prevents from bending the pins and possible prevent creating a short. I am building a couple lasers this weekend, I will check on both questions and get back to you.
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Building Laser Pointers Using the 445nm Laser Diodes
Diode Lasers:
405nm: 15 and 35mW built, PHR 405nm, 100mW, Dagin's Dorcy built ~200mW
445nm: Built ~3W and Jayrob Built - 445nm <1W
532nm: 70mW and ~200mW
635/650nm: 200mW, and several builds
Gas Lasers:
337nm: Nitrogen (N2) laser, 3mW, 175uJ/pulse, peak @ 30kW and a 6mW, 260uJ/pulse, peak @ 75kW
632nm: Melles Griot HeNe, 0.5, 1. 0 5 0 and 15. 0mW
Dye Laser(s):

380-~1000nm: Different laser dyes, different wavelenghts, different laser powers.

Crystal Laser:
Holmium YAG (Ho:YAG) laser, 2.1 μm, 53W

Assorted laser accessories, including LPM, optics, and a holography table.

Last edited by jmgallego; 07-23-2010 at 12:46 AM.
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Old 07-21-2010, 02:50 AM #56
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Default Re: Building Laser Pointers Using the 445nm Laser Diodes

Quote:
Originally Posted by hakzaw1 View Post
Thanks for that advice Mark--I will leave the 1+watt 445s to the younger crowd--I am more laid back and comfortable with 5-600 mWs a good HS and a duty/rest cycle to make my 445s last forever.---hak
Heck, I will check at what temperature it starts melting, will let you know.
__________________
Building Laser Pointers Using the 445nm Laser Diodes
Diode Lasers:
405nm: 15 and 35mW built, PHR 405nm, 100mW, Dagin's Dorcy built ~200mW
445nm: Built ~3W and Jayrob Built - 445nm <1W
532nm: 70mW and ~200mW
635/650nm: 200mW, and several builds
Gas Lasers:
337nm: Nitrogen (N2) laser, 3mW, 175uJ/pulse, peak @ 30kW and a 6mW, 260uJ/pulse, peak @ 75kW
632nm: Melles Griot HeNe, 0.5, 1. 0 5 0 and 15. 0mW
Dye Laser(s):

380-~1000nm: Different laser dyes, different wavelenghts, different laser powers.

Crystal Laser:
Holmium YAG (Ho:YAG) laser, 2.1 μm, 53W

Assorted laser accessories, including LPM, optics, and a holography table.
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Old 07-23-2010, 12:42 AM #57
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Default Re: Building Laser Pointers Using the 445nm Laser Diodes

Quote:
Originally Posted by jmgallego View Post
Heck, I will check at what temperature it starts melting, will let you know.
Got the current up to 1.2A, let it on for about 2 minutes...nothing, the pink plastic jump was fine. I also check the original built and looks intact... so, no nothing happens to it, no melt down, does not get soft... great little jumper
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Building Laser Pointers Using the 445nm Laser Diodes
Diode Lasers:
405nm: 15 and 35mW built, PHR 405nm, 100mW, Dagin's Dorcy built ~200mW
445nm: Built ~3W and Jayrob Built - 445nm <1W
532nm: 70mW and ~200mW
635/650nm: 200mW, and several builds
Gas Lasers:
337nm: Nitrogen (N2) laser, 3mW, 175uJ/pulse, peak @ 30kW and a 6mW, 260uJ/pulse, peak @ 75kW
632nm: Melles Griot HeNe, 0.5, 1. 0 5 0 and 15. 0mW
Dye Laser(s):

380-~1000nm: Different laser dyes, different wavelenghts, different laser powers.

Crystal Laser:
Holmium YAG (Ho:YAG) laser, 2.1 μm, 53W

Assorted laser accessories, including LPM, optics, and a holography table.
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