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Old 06-08-2010, 05:59 AM #17
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Default Re: 445nm diode up an running!!!

Nice! Can't wait to get mine


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Old 06-08-2010, 09:39 AM #18
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Default Re: 445nm diode up an running!!!

Quote:
Originally Posted by jbtm View Post
Maybe i missed it, but did you tell us what power your pumping? Burning ability sounds amazing. Sometime try some other things, with it focused. Like wood burning...It's always fun to write stuff in wood! I wrote my name 1x8" bold with a bluray once on a scrap peace of wood

*whistles* Videos are always...cool :P
Cant accuretly test the power as my LPM 1 doesnt have a setting for this wavelength, but the OP has the results tested as 473nm, I belive it is around 300mW at the moment, using rkcstr set to max(around 434mA)...

Quote:
Originally Posted by HaloBlu View Post
Thanks for letting how it compares to 473nm & 405nm & for the pics!
The pic of the comparison isnt as accurate as I was hoping, they all look similar in the pic, however the 445nm is a nice rich real blue color, while 473nm looks lighter and more teal next to it.

I am going down to work with my diode some more, I hope to have it on a flexdrive later today. Here is a nice beamshot I took earlier, notice all my beamshots here so far are withOUT any introduction of foreign particles in the air, just household dust!!!


Attached Thumbnails
445nm diode up an running!!!-1275961624515.jpg   445nm diode up an running!!!-1275980649296.jpg   445nm diode up an running!!!-1275957562491.jpg  
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20mW rated 473nm PGL III-C outputing 55+mW and peaked at 96mWthanks Glenn!!
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*DIODE*
445nm diode pocket mini build, 700mA ~ 600mW---
445nm diode in 18650 kit---1.1A---1W

16X LCC chrome pckt mini, flex 500mA, outputting 303.2mW with G1
LOC with RKCSTR-- 434mA thanks FPyro-peak 305.1mW with G1
130mW 3.8mm diode pointer from moh-peak 140mW
635nm AtlasNova 5mW outputting 2mW
8X BH08LS20 diode in MX host 420mW with DFW lens thanks FPyro!!
SF-AW210 in jayrob pocket mini, flex drive 177mA~230mW with G1 glass
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Old 06-08-2010, 09:52 AM #19
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Default Re: 445nm diode up an running!!!

Very good ! sounds like we need a custom built linear driver to take care the current these guys can eat
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Old 06-08-2010, 10:06 AM #20
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Default Re: 445nm diode up an running!!!

I like how you captured the color of the laser really well. Too bad my CR2 battery died so I can't do comparisons with a 473nm :\
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Old 06-08-2010, 10:29 AM #21
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Default Re: 445nm diode up an running!!!

Wow

Sitting there in that huge heatsink it looks like it packs some serious punch, and it actually does... i love the color, bluray be gone!
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Old 06-08-2010, 10:52 AM #22
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Default Re: 445nm diode up an running!!!

Quote:
Originally Posted by Benm View Post
Wow

Sitting there in that huge heatsink it looks like it packs some serious punch, and it actually does... i love the color, bluray be gone!
Lol, I love that heatsink!! As soon as I swap out the rkcstr for a flexdrive I will be taking it up alot higher, cant wait to see what it can really do!!

Yeah, blu-ray is almost dead, cant hold a candle to these beasts, and the nice rich blue color gets soooo bright, so much more appealing than violet!!( I still like violet btw, but 445nm blows it away!!!)


EDIT: People were asking about the burning ability, well at its current setting and taken to its focal point, instantly blazes through almost anything black, electro tape is the best, trash bags are'nt even noticed by the laser, just shines right through them without even stopping for a microsecond. I have been using a tan cardboard box for the 'beam stop' and I just noticed several black burnt spots that werent there the other day, so I'd say for all the pyros out there, this is the cream of the crop!!!

Best diodes EVER
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125mW viper DL-peak 188mW
50mW focusable ~Top laser 301-peak 44.12mW
Several modded pens 10 -30mW
*DIODE*
445nm diode pocket mini build, 700mA ~ 600mW---
445nm diode in 18650 kit---1.1A---1W

16X LCC chrome pckt mini, flex 500mA, outputting 303.2mW with G1
LOC with RKCSTR-- 434mA thanks FPyro-peak 305.1mW with G1
130mW 3.8mm diode pointer from moh-peak 140mW
635nm AtlasNova 5mW outputting 2mW
8X BH08LS20 diode in MX host 420mW with DFW lens thanks FPyro!!
SF-AW210 in jayrob pocket mini, flex drive 177mA~230mW with G1 glass
5mW ebaser with star cap puttin out 34mW
50mW focusable ~Top laser 302
200mW 808nm skylasers pointer-peak 291.2mW
*GAS*
Melles Griot He-Ne Bare Tube w/ mini PSU
JDS UNIPHASE 1508 Novette
Melles Griot Bare Tube HeNe w/ power supply
Cheap surplus Bare Tube HeNe
543nm Bare tube HeNe--Awesome tube!

Andover Holography LPM 1

Last edited by kingdave2357; 06-08-2010 at 11:46 AM.
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Old 06-08-2010, 12:10 PM #23
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Default Re: 445nm diode up an running!!!

This morning I got my build together. MXDL 4171 Host, My custom machined heat sink, V5 Flexdrive and 18650 Li-Ion non protected battery. I noticed the driver getting pretty hot so I decided to heat sink it. I just used thermal paste an made a hold down clamp. I can still go back in and make output adjustments. Output now is 750mw using the G-1 glass.
I was in a hurry to build so I promise to plot out my next diode.

Doug
Attached Thumbnails
445nm diode up an running!!!-3q-view.jpg   445nm diode up an running!!!-heat-sink.jpg   445nm diode up an running!!!-driver-1.jpg   445nm diode up an running!!!-driver-2.jpg  
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Old 06-08-2010, 12:26 PM #24
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Default Re: 445nm diode up an running!!!

Quote:
Originally Posted by ff-racer View Post
This morning I got my build together. MXDL 4171 Host, My custom machined heat sink, V5 Flexdrive and 18650 Li-Ion non protected battery. I noticed the driver getting pretty hot so I decided to heat sink it. I just used thermal paste an made a hold down clamp. I can still go back in and make output adjustments. Output now is 750mw using the G-1 glass.
I was in a hurry to build so I promise to plot out my next diode.

Doug
750mW!!! Nice! How much current are you feeding it?
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*My Collection*

*DPSS*
20mW rated 473nm PGL III-C outputing 55+mW and peaked at 96mWthanks Glenn!!
80mW rated 589nm PGL III-C
300mW rated 532nm PGL-III-C---Peak---450mW!!!

250mW labby from ebay---peaks near 300mW!


125mW viper DL-peak 188mW
50mW focusable ~Top laser 301-peak 44.12mW
Several modded pens 10 -30mW
*DIODE*
445nm diode pocket mini build, 700mA ~ 600mW---
445nm diode in 18650 kit---1.1A---1W

16X LCC chrome pckt mini, flex 500mA, outputting 303.2mW with G1
LOC with RKCSTR-- 434mA thanks FPyro-peak 305.1mW with G1
130mW 3.8mm diode pointer from moh-peak 140mW
635nm AtlasNova 5mW outputting 2mW
8X BH08LS20 diode in MX host 420mW with DFW lens thanks FPyro!!
SF-AW210 in jayrob pocket mini, flex drive 177mA~230mW with G1 glass
5mW ebaser with star cap puttin out 34mW
50mW focusable ~Top laser 302
200mW 808nm skylasers pointer-peak 291.2mW
*GAS*
Melles Griot He-Ne Bare Tube w/ mini PSU
JDS UNIPHASE 1508 Novette
Melles Griot Bare Tube HeNe w/ power supply
Cheap surplus Bare Tube HeNe
543nm Bare tube HeNe--Awesome tube!

Andover Holography LPM 1
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Old 06-08-2010, 12:53 PM #25
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Default Re: 445nm diode up an running!!!

Quote: 750mW!!! Nice! How much current are you feeding it?

My V5 driver is set to 900mw. DVM set between output of driver and Pos in to diode.
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Old 06-08-2010, 01:39 PM #26
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Default Re: 445nm diode up an running!!!

Quote:
Originally Posted by ff-racer View Post
Quote: 750mW!!! Nice! How much current are you feeding it?

My V5 driver is set to 900mw. DVM set between output of driver and Pos in to diode.

Did you set your drive with the diode connected? Or did you use a test load..
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Old 06-08-2010, 03:18 PM #27
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Default Re: 445nm diode up an running!!!

So with only ~300mW it has a visible beam in daylight? Was it brighter to the naked eye? I plan on driving mine at 600mA in a labby. I can't wait
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Old 06-08-2010, 03:26 PM #28
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Default Re: 445nm diode up an running!!!

The Diode was connected. Ramped up slowly.

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Originally Posted by pHeneX View Post

Did you set your drive with the diode connected? Or did you use a test load..
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Old 06-08-2010, 03:37 PM #29
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Default Re: 445nm diode up an running!!!

Quote:
Originally Posted by ff-racer View Post
This morning I got my build together. MXDL 4171 Host, My custom machined heat sink, V5 Flexdrive and 18650 Li-Ion non protected battery. I noticed the driver getting pretty hot so I decided to heat sink it. I just used thermal paste an made a hold down clamp. I can still go back in and make output adjustments. Output now is 750mw using the G-1 glass.
I was in a hurry to build so I promise to plot out my next diode.

Doug
I'm liking your driver setup on that. Nice
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Old 06-08-2010, 04:37 PM #30
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Default Re: 445nm diode up an running!!!

So ff you got 750mw @ 900ma? If that's right I'll add you to the graph.
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Old 06-08-2010, 05:18 PM #31
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Default Re: 445nm diode up an running!!!

@ ff-racer

Keep in mind that the V5 flex is not meant to sustain high currents with a diode that has a high Vf.
Your diode may not be getting the full 900mA because the driver is not designed for that.
The V5 Flex manual tells you what the recommended operating parameters are.

Anyway, nice work.
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Old 06-08-2010, 05:39 PM #32
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Default Re: 445nm diode up an running!!!

Quote:
Originally Posted by RA_pierce View Post
@ ff-racer

Keep in mind that the V5 flex is not meant to sustain high currents with a diode that has a high Vf.
Your diode may not be getting the full 900mA because the driver is not designed for that.
The V5 Flex manual tells you what the recommended operating parameters are.

Anyway, nice work.
Flexdrives work fine with these 445nm diodes as Spyderfire has shown

Their Vf isn't as high as blurays. Jayrob recorded 3.91v @ 475mA and 4.03v @ 640mA

So it shouldn't even hit 4.5 Vf, but i'll use that as an example

Using the formula given in the manual for the flexdrive v5:

(Vout (Volts) * Iout (Amps) ) / Vin (Volts) < 1.2

4.5 * 0.9 / 4.2 = 0.964

and even with 3.6v input it's within the limits:

4.5 * 0.9 / 3.6 = 1.125

Edit: but if the Vf is going up linear with jayrobs voltages as the rule, it should be under 4.2-4.3 Vf
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Last edited by HumanSymphony; 06-08-2010 at 05:45 PM.
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