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Old 02-14-2008, 02:23 PM #65
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Default Re: Feb. 10, 2008 PHAZORS!!!

Perfect. So, one for me !
Payment has been done already 8-)
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Old 02-14-2008, 05:47 PM #66
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Default Re: Feb. 10, 2008 PHAZORS!!!

How long does it usually take for a group buy like this to go through? Say, from payment to shipped?
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Old 02-14-2008, 11:55 PM #67
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Default Re: Feb. 10, 2008 PHAZORS!!!

Quote:
Originally Posted by drlava
[quote author=Daedal link=1202669249/45#52 date=1202867733]Thank you guys for all the info... I do agree that the open can diodes seem to have their benefits... I bought 3 drives and just haven't had the time to dig into them yet. *:-[

Although... here's something that'll bring some smiles to your faces...

I decided to test another diode to explosion... I ordered another diode from them yesterday... A nice bill later, and it's on it's way in a 3 day trip to me...

So... I would assume that seeing some new data about these soon is not a far-fetched assumption

--DDL
What will be your test protocol for this one? *Please do a non-TEC test, as they are rarely used for non-dpss lasers. *Once you do a ramp, at 3 or 5 mA increments, you will be able to see the point where the efficiency has a dip (sometimes slight, sometimes pronounced). *Choose an operating point slightly below this and run the diode for a few days. *If it lasts, it should be good enough for pointer use at that operating point.
[/quote]

how do you keep a red laser diode on for days without massive hatsinking or TEC?
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Old 02-15-2008, 12:44 AM #68
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Default Re: Feb. 10, 2008 PHAZORS!!!

Ordered two - looking forward to them.
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Old 02-15-2008, 02:20 AM #69
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Default Re: Feb. 10, 2008 PHAZORS!!!

Quote:
Originally Posted by amkdeath
how do you keep a red laser diode on for days without massive hatsinking or TEC?
Only about 1.5W has to be dissipated, so the heatsink required is not that large after all.
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Old 02-15-2008, 02:44 PM #70
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Default Re: Feb. 10, 2008 PHAZORS!!!

I gotta have one of these! *Order done!, Thanks Daedal! *I won't want to run it so long and high an output to burn up the diode! *-Glenn
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Old 02-16-2008, 12:08 PM #71
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Default Re: Feb. 10, 2008 PHAZORS!!!

Quote:
What will be your test protocol for this one? Please do a non-TEC test, as they are rarely used for non-dpss lasers. Once you do a ramp, at 3 or 5 mA increments, you will be able to see the point where the efficiency has a dip (sometimes slight, sometimes pronounced). Choose an operating point slightly below this and run the diode for a few days. If it lasts, it should be good enough for pointer use at that operating point.
A duration test would be a good thing to do. Running it for a week without failure at (say) 200 mW will probably be more useful information for the average builder than knowing a diodes absolute maximum capability where you have no idea if that will last for a minute, hour or month.

As for the TEC part - a large passive heatsink will probably be just fine. As i understand DDL's TEC tests do not actually go below ambient temperature much, for the results the difference will be marginal.
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Old 02-16-2008, 06:26 PM #72
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Default Re: Feb. 10, 2008 PHAZORS!!!

Daedal you got me.

ordered 1 Phazor
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Old 02-16-2008, 08:54 PM #73
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Default Re: Feb. 10, 2008 PHAZORS!!!

what wave lenght are these? better yet what is the best pair of glasses to protect me from these phazors?
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Old 02-16-2008, 08:59 PM #74
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Default Re: Feb. 10, 2008 PHAZORS!!!

I think the wavelength is still 650nm, but I'm not sure, as far as protection:
http://www.laserpointerforums.com/fo...num=1202742071
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Old 02-16-2008, 09:47 PM #75
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Default Re: Feb. 10, 2008 PHAZORS!!!

Quote:
Originally Posted by bcroft
what wave lenght are these? better yet what is the best pair of glasses to protect me from these phazors?
The WL lasershades are perfect...

http://www.wickedlasers.com/lasers/R...des-49-16.html

or check the GB goggles thread.
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Old 02-16-2008, 10:22 PM #76
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Default Re: Feb. 10, 2008 PHAZORS!!!

Let me know if you still plan on lending one for a ramp test. I'll plot it against all the diodes in my database so far for comparison
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Old 02-17-2008, 01:32 PM #77
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Default Re: Feb. 10, 2008 PHAZORS!!!

paypal $ sent.. thanks!
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Old 02-17-2008, 01:32 PM #78
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Default Re: Feb. 10, 2008 PHAZORS!!!

er, google checkout... duh
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Old 02-19-2008, 03:41 PM #79
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Default Re: Feb. 10, 2008 PHAZORS!!!

Can't wait to get mine!

While we're all waiting I have a question. Whats a safe current to run these at compared to the senkat diodes? I guess more specifically, what would you say is an appropriate resistance to use in the DDL regulator circuit?

I ask because I have a senkat diode breadboarded up right now with four AAA batteries and 5 ohms of resistance (in the DDL circuit) and my voltmeter broke and I don't know how much current it's putting out, just that it's the right amount for a senkat diode. But these Phazor diodes are supposed to run at a much higher current correct? So what do you think I can use in place of the 5ohm resistor?

(or should I just buy a new voltmeter and save myself the trouble :)

Thanks!
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Old 02-19-2008, 06:34 PM #80
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Default Re: Feb. 10, 2008 PHAZORS!!!

Quote:
Originally Posted by mrblack927
Can't wait to get mine!

While we're all waiting I have a question. Whats a safe current to run these at compared to the senkat diodes? I guess more specifically, what would you say is an appropriate resistance to use in the DDL regulator circuit?

I ask because I have a senkat diode breadboarded up right now with four AAA batteries and 5 ohms of resistance (in the DDL circuit) and my voltmeter broke and I don't know how much current it's putting out, just that it's the right amount for a senkat diode. But these Phazor diodes are supposed to run at a much higher current correct? So what do you think I can use in place of the 5ohm resistor?

(or should I just buy a new voltmeter and save myself the trouble *:)

Thanks!
dont use 4 AAA's. they sag as SOON as you put them in. I heard of this, and saw it first hand on a LPM, with 4 AAA's, your power is just dropping every second its on.. its scary.

the smart thing to do is 6 AAA's, or 2 RCR123's (3.6v)

dont use a 9v battery, as that will sag too

</OT>

anyhow, to calculate how much current your DDL is putting out, just do 1.25 / the resistance your using

1.25 / 5 = .25

that means you are outing .25 amps, or, 250mA

regards,

amk
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