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Old 04-10-2012, 06:20 PM #97
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Default Re: New 9mm 445 diodes

Alright Guys,

I have been going at it all day testing these.

I Test 3 different diodes to try to get a better idea of them.

Test was done on all 3 diodes one after another in the same Heatsink,module,G1 lens, Power supply & Ophir Laser Power Meter etc.

Here is the Simply heatsink and Ophir LPM sensor setup:


The DMM is the LPM Reading since my other display on my Ophir head only went up to 2A i used my DMM for the Display:



Each Mark was done in 50mA intervals waiting 1 minute in between each reading.

Here are the Numbers:


Diode (1).........

Currant - Voltage - mW
150mA - 3.6V - 10mW
200mA - 3.7V - 80mW
250mA - 3.8V - 160mW
300mA - 3.8V - 250mW
350mA - 3.9V - 320mW
400mA - 4.0V - 410mW
450mA - 4.0V - 500mW
500mA - 4.0V - 580mW
550mA - 4.1V - 650mW
600mA - 4.1V - 730mW
650mA - 4.1V - 820mW
700mA - 4.2V - 900mW
750mA - 4.2V - 970mW
800mA - 4.2V - 1050mW
850mA - 4.3V - 1130mW
900mA - 4.3V - 1210mW
950mA - 4.3V - 1270mW
1000mA - 4.4V - 1340mW
1050mA - 4.4V - 1420mW
1100mA - 4.4V - 1490mW
1150mA - 4.4V - 1550mW
1200mA - 4.5V - 1620mW
1250mA - 4.5V - 1700mW
1300mA - 4.5V - 1760mW
1350mA - 4.5V - 1815mW
1400mA - 4.6V - 1900mW
1450mA - 4.6V - 1950mW
1500mA - 4.6V - 2000mW
1550mA - 4.6V - 2055mW
1600mA - 4.6V - 2110mW
1650mA - 4.6V - 2150mW
1700mA - 4.6V - 2200mW
1750mA - 4.7V - 2250mW
1800mA - 4.7V - 2310mW
1850mA - 4.7V - 2370mW
1900mA - 4.7V - 2405mW
1950mA - 4.7V - 2440mW
2000mA - 4.8V - 2460mW
2050mA - 4.8V - 2480mW
2100mA - 4.8V - 2505mW
2150mA - 4.8V - 2520mW
2200mA - 4.8V - 2540mW
2250mA - 4.8V - 2567mW
to
2300mA - 4.8V - Dimmed................
No Damage


Diode (2).........

Currant - Voltage - mW
150mA - 3.6V - 10mW
200mA - 3.7V - 90mW
250mA - 3.8V - 165mW
300mA - 3.8V - 250mW
350mA - 3.9V - 325mW
400mA - 4.0V - 415mW
450mA - 4.0V - 500mW
500mA - 4.0V - 570mW
550mA - 4.1V - 650mW
600mA - 4.1V - 720mW
650mA - 4.1V - 830mW
700mA - 4.2V - 900mW
750mA - 4.2V - 970mW
800mA - 4.2V - 1060mW
850mA - 4.3V - 1140mW
900mA - 4.3V - 1235mW
950mA - 4.3V - 1290mW
1000mA - 4.4V - 1360mW
1050mA - 4.4V - 1425mW
1100mA - 4.4V - 1495mW
1150mA - 4.4V - 1555mW
1200mA - 4.5V - 1640mW
1250mA - 4.5V - 1710mW
1300mA - 4.5V - 1770mW
1350mA - 4.5V - 1825mW
1400mA - 4.6V - 1895mW
1450mA - 4.6V - 1955mW
1500mA - 4.6V - 2010mW
1550mA - 4.6V - 2045mW
1600mA - 4.6V - 2105mW
1650mA - 4.6V - 2150mW
1700mA - 4.6V - 2205mW
1750mA - 4.7V - 2250mW
1800mA - 4.7V - 2320mW
1850mA - 4.7V - 2350mW
1900mA - 4.7V - 2405mW
1950mA - 4.7V - 2430mW
2000mA - 4.8V - 2470mW
2050mA - 4.8V - 2485mW
2100mA - 4.8V - 2505mW
to
2150mA - 4.8V - 2380mW Dimmed................ "This one Dimmed alot"
No Damage



Diode (3).........

Currant - Voltage - mW
150mA - 3.6V - 10mW
200mA - 3.7V - 80mW
250mA - 3.8V - 180mW
300mA - 3.8V - 270mW
350mA - 3.9V - 310mW
400mA - 4.0V - 420mW
450mA - 4.0V - 505mW
500mA - 4.0V - 585mW
550mA - 4.1V - 660mW
600mA - 4.1V - 750mW
650mA - 4.1V - 820mW
700mA - 4.2V - 890mW
750mA - 4.2V - 990mW
800mA - 4.2V - 1100mW
850mA - 4.3V - 1190mW
900mA - 4.3V - 1280mW
950mA - 4.3V - 1370mW
1000mA - 4.4V - 1450mW
1050mA - 4.4V - 1540mW
1100mA - 4.4V - 1630mW
1150mA - 4.4V - 1710mW
1200mA - 4.5V - 1800mW
1250mA - 4.5V - 1885mW
1300mA - 4.5V - 1950mW
1350mA - 4.5V - 2035mW
1400mA - 4.6V - 2105mW
1450mA - 4.6V - 2190mW
1500mA - 4.6V - 2170mW
1550mA - 4.6V - 2255mW
1600mA - 4.6V - 2300mW
1650mA - 4.6V - 2350mW
1700mA - 4.6V - 2390mW
1750mA - 4.7V - 2430mW
1800mA - 4.7V - 2480mW
1850mA - 4.7V - 2530mW
1900mA - 4.7V - 2575mW
1950mA - 4.7V - 2610mW
2000mA - 4.8V - 2630mW
2050mA - 4.8V - 2645mW
2100mA - 4.8V - 2655mW
2150mA - 4.8V - 2650mW
to
2200mA - 4.8V - 2610mW Dimmed................
No Damage


So it apears to have signes of Dimming ~2.2A-2.3A....


So those are the numbers from 3 of my diodes. I still have another 2 to test.

One Big thing i Noteced is was the Voltage is Much Higher for these. Like .5V More.

Our 5.6mm diodes are 4.2V-4.3V Maybe 4.4V "Rarely" at 1.8A.......

I do not like this Extra Voltage and this is a Big Down Side to these diodes.



Although there Not 3W diodes They appear to be very efficient diode. Especially the Last one. There Near 3W diodes.

They seem to be within the same power range of each other from 150mA to 700mA. After this is where you will start to see the difference between the 3 diodes.

Also IF your not aware of this 445nm diode very quit a bit with heat. Sometimes peak powers can range of a difference by 100mW or more sometimes.

In this Case, I re-tested all 3 diodes about 8 hours later and got this:

Diode 1) - 2620mW at 2.1A
Diode 2) - 2590mW at 2.1A
Diode 3) - 2760mW at 2.1A



So these new 9mm 445nm diodes are on Par with the 5.6mm version of the New M&H series diode. NO Question about that.



I will talk about the lens now.

They are Very Good lens. They are Equal or around the same as G1/G2 lenses power wise.

They Make a Killer Thin beam for Red 660nm and 405nm lasers."Single Mode Diodes" I love it. Its so tight its almost like the first 1 foot of a DPSS.LOL

For Multi mode diodes the lens is again on Pair with the G1/G2 lens.

I need to test them more to say anything else.



Here comes my Opinion.....

It comes down to Price.

Although you get a Very High Quality lens like the G1/G2 lens the diode appears to be in the same performance as what we get now.

The diodes I have all of them even the other 2 that i have not ran a Log of yet i tested them and They are all Very Efficient diodes.! The Higher One I have Now is Peaking Near 2.83W at 2.1A. This is one of the 2 i have not ran the Log Yet on and it was just a quick turn the currant up and then turn it down. SO it might even be more.

^That is by far the power-fullest diode i have owned or have seen for 445nm diode so far. Even though it was doing that at 2.1A its still more power then my other 2.8W Super Freak laser i built.

So Although i think these new 9mm diodes are basically the same as our 5.6mm 445nm diodes now i think they will all be for the most part very very efficient diodes.

Thoughts.?

Anyone that can put these in a Graph that would be Great.


Hope this Helps.......


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Last edited by lazeerer; 07-08-2012 at 09:40 PM.
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Old 04-10-2012, 06:29 PM #98
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Default Re: New 9mm 445 diodes

@lazeerer

Which lens are you referring too, the stock lens that comes on the diode?

Looking at your figures there, I imagiine you could take ome of them over 3W if you keep it at 10c, just for a laugh and to be the only one who ever had a 3W 445 Diode.
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Old 04-10-2012, 06:35 PM #99
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Default Re: New 9mm 445 diodes

Very nice! About the lenses, did you notice anything about the divergence you get with single mode diodes? Thin beams usually means bad divergence..
Maybe this means high-efficieny lenses will get cheaper than the G*'s are today..

Also, although these dims at >2A, they still might be the 1.6W nichia diodes, in which case they should be able to take the 2A without much stress at all. Maybe the manufacturers made them dim at a very point on purpose to pretty much make them invincible

Last edited by Grix; 04-10-2012 at 06:36 PM.
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Old 04-10-2012, 06:36 PM #100
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Default Re: New 9mm 445 diodes

Great work Angelos...

Thanks for all the numbers.

Interesting stuff!

Looks like they lase at lower current than the 5.6mm dioded, but the efficiency starts to drop off at around 1.8 to 1.9 Amps in a similar way...

Good to know that the lens power is similar as the 405-G-1. I got my diode and lens yesterday, but have not made my custom copper module yet.

I did take the lens off, and it's outer diameter is the same as the 405-G-1 lens. So it will mount the same way...
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Old 04-10-2012, 07:00 PM #101
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Default Re: New 9mm 445 diodes

Quote:
Originally Posted by andyf97 View Post
@lazeerer

Which lens are you referring too, the stock lens that comes on the diode?


Looking at your figures there, I imagiine you could take ome of them over 3W if you keep it at 10c, just for a laugh and to be the only one who ever had a 3W 445 Diode.
Iam Using JayRobs 405-G-1 lens.


Quote:
Originally Posted by Grix View Post
Very nice! About the lenses, did you notice anything about the divergence you get with single mode diodes? Thin beams usually means bad divergence..
Maybe this means high-efficieny lenses will get cheaper than the G*'s are today..

Also, although these dims at >2A, they still might be the 1.6W nichia diodes, in which case they should be able to take the 2A without much stress at all. Maybe the manufacturers made them dim at a very point on purpose to pretty much make them invincible
I need to test the Lenses More. The Tighter beam Comes from the Shape of the Dom on the lens and Because it Sits closes to the Diode.

Since the Lens sits Closer to the Diode then this is what would cause Worst divergence. I dint test down range though. I tested up to 15 feet and it was pretty freaking tight.

Iam Going to Run one at 2.1A for some Long testing time.

I wish i had my Tec Lab Setup.

Quote:
Originally Posted by jayrob View Post
Great work Angelos...

Thanks for all the numbers.

Interesting stuff!

Looks like they lase at lower current than the 5.6mm dioded, but the efficiency starts to drop off at around 1.8 to 1.9 Amps in a similar way...

Good to know that the lens power is similar as the 405-G-1. I got my diode and lens yesterday, but have not made my custom copper module yet.

I did take the lens off, and it's outer diameter is the same as the 405-G-1 lens. So it will mount the same way...


Yes but they have Higher Voltage.

I think they are the Same in performance as the 5.6mm ones we have now.

Yes about the Lens. Its On Par with the G lenses. However The G lens is Much More cheaper.

In Other Words buying a 5.6mm diode and a G1 lens will be Alot Cheaper then Buying one of these 9mm diodes that come with the lens.

I also notices with the projector lens if its not hit dead on center you will get a nasty dot and it will be crooked.

Yes the Lens works with your Mount Perfect. Its the Only way it can work with the 9mm package since it has a Shorter FL then the G1/G2 lens IT has to sit as close to the bottom of the lens nut as possible. If you do it the other which i tried first it dint work. However it did work for 5.6mm diodes. I think it might be best for you to test the lens out for us.

The lens also feels Glass/Gel Like. Hard to explain.

Glad you like the Testing Jay. Hope this held you.
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Old 04-10-2012, 07:02 PM #102
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Default Re: New 9mm 445 diodes

Great stuff!

I made a PIV curve for these.



Enjoy. These look pretty good!

Last edited by Wolfman29; 04-10-2012 at 07:07 PM.
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Old 04-10-2012, 07:06 PM #103
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Default Re: New 9mm 445 diodes

Quote:
Originally Posted by Wolfman29 View Post
Great stuff!

I made a PIV curve for these.



Enjoy. These look pretty good!
You are in bad need of a graphing program with anti-aliasing support!
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Old 04-10-2012, 07:08 PM #104
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Default Re: New 9mm 445 diodes

Eh. I just copy and pasted the chart into paint so that I could make sure it was 800x600. And yes, I probably do need better charting software - I use OpenOffice (got a pirated version of regular Office, but in a reset I had to do, I lost that along with a few other programs). I think the point is that the chart is there XD
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Old 04-10-2012, 07:15 PM #105
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Default Re: New 9mm 445 diodes

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Originally Posted by Wolfman29 View Post
Eh. I just copy and pasted the chart into paint so that I could make sure it was 800x600. And yes, I probably do need better charting software - I use OpenOffice (got a pirated version of regular Office, but in a reset I had to do, I lost that along with a few other programs). I think the point is that the chart is there XD
Just ribbing you I had a feeling it was something open source ;p

A decent trick to get around software that doesn't anti alias, is to render/size graphs etc to the full resolution your screen can handle. Say that's 1600x1200, take a screen capture. Then load the image up in PhotoShop and do the resize down to to 640x480. It's not quite the same, but it will produce results where you won't loose portions of thin lines, etc.
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Old 04-10-2012, 07:25 PM #106
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Default Re: New 9mm 445 diodes

Wow, these are exiting results. Not quite the three 3W I was personally hoping for, but still... WOW.

Will be interesting to see how these react to heat/how stable they are in handhelds.
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Old 04-10-2012, 07:26 PM #107
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Default Re: New 9mm 445 diodes

@rhd: I had photoshop too, until I had to wipe my harddrive in order to get rid of bluescreens Stuck with just paint now :P

@IE: Yeah! Great results. Seems like we will be seeing 2.5W builds from now on. It looks like 2.2A is the magic number. Better get those buck drivers running at that power!

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Old 04-10-2012, 07:28 PM #108
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Default Re: New 9mm 445 diodes

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Originally Posted by InfinitusEquitas View Post
Wow, these are exiting results. Not quite the three 3W I was personally hoping for, but still... WOW.

Will be interesting to see how these react to heat/how stable they are in handhelds.


That was what I was thinking. They may be more stable due to better thermal characteristics with the larger package.


Quote:
Originally Posted by Wolfman29 View Post
@rhd: I had photoshop too, until I had to wipe my harddrive in order to get rid of bluescreens Stuck with just paint now :P

@IE: Yeah! Great results. Seems like we will be seeing 2.5W builds from now on. It looks like 2.2A is the magic number. Better get those buck drivers running at that power!
I still think that 1.8A is probably a good spot for the M140's and probably these as well. That would be around a 2.2W average based on the three he tested. You don't want to drive them right under dimming you want to find the point where you get diminishing returns.

Last edited by DTR; 04-10-2012 at 07:31 PM.
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Old 04-10-2012, 07:29 PM #109
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Default Re: New 9mm 445 diodes

Just hope the new blu ray burners are 1w.
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Old 04-10-2012, 07:44 PM #110
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Default Re: New 9mm 445 diodes

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Originally Posted by DTR View Post
That was what I was thinking. They may be more stable due to better thermal characteristics with the larger package.

I still think that 1.8A is probably a good spot for the M140's and probably these as well. That would be around a 2.2W average based on the three he tested. You don't want to drive them right under dimming you want to find the point where you get diminishing returns.
I might be off base saying this, but don't many m140's dim/degrade at past 1.9?

With these, based on those results, 2.2 does seem like a reasonable place to stop.

I'm also very curious if you guys could please measure divergence on this with a regular 3 element lens.
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Old 04-10-2012, 07:47 PM #111
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Default Re: New 9mm 445 diodes

Great job ! Thank you for letting us know the power output of the 445nm 9mm diode.
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Old 04-10-2012, 07:56 PM #112
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Default Re: New 9mm 445 diodes

Quote:
Originally Posted by InfinitusEquitas View Post
I might be off base saying this, but don't many m140's dim/degrade at past 1.9?

With these, based on those results, 2.2 does seem like a reasonable place to stop.

I'm also very curious if you guys could please measure divergence on this with a regular 3 element lens.
Yea it varies from diode to diode but the last diode I tested to dimming was an A140 and it was a little over 2.1A.

There is also a thread around somewhere that I think RHD tested a few 5.6mm diodes and one or two went to 2.2A or 2.3A as well.

I have always worked with the assumption that as soon as you start seeing less gains from increasing current is where you should stop.

Here is a comparison with a three element lens. The only difference may be attributed to a slight difference in the focused amount.


Last edited by DTR; 04-17-2014 at 09:32 PM.
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