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Old 11-14-2015, 07:08 AM #2161
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Default Re: PERMANENT THREAD: Ebay& other internet FINDS of interest- read all the OP please

If it's doing 100mW at 8A, it's low hours and in good shape. Get it.


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Old 11-14-2015, 09:07 PM #2162
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Default Re: PERMANENT THREAD: Ebay& other internet FINDS of interest- read all the OP please

OK, I'll get it. Thanks for the help guys, I appreciate it.
Won't let me +rep Cyp or H2oxide yet though.

EDIT: And it's mine!
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Old 11-17-2015, 06:57 PM #2163
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Default Re: PERMANENT THREAD: Ebay& other internet FINDS of interest- read all the OP please

Does anyone know anything about this LPM

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Old 11-17-2015, 08:35 PM #2164
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Default Re: PERMANENT THREAD: Ebay& other internet FINDS of interest- read all the OP please

Looks like a home built unit coupled with a Coherent power head. Probably a good unit, I've ordered that same digital volt meter from China and it tracked well and was accurate enough.
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Old 11-17-2015, 09:05 PM #2165
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Default Re: PERMANENT THREAD: Ebay& other internet FINDS of interest- read all the OP please

I assume that head is supposed to measure from 30 w to 1 w. As I am new at this I am wondering how useful this would be for the diodes that we use? Gozert is selling an Ophir C-A-1-20Y​ for a reasonable price. What I have been trying to find out though is that I thought the Y designation was for Yag and that it would have to be re-calibrated for visible measurements.

Unfortunately, it looks like from my limited travels...that you need one sensor for under 5 mw and another when you get to the higher levels.
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Old 11-18-2015, 12:46 AM #2166
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Default Re: PERMANENT THREAD: Ebay& other internet FINDS of interest- read all the OP please

Resolution on that ebay unit is .1 or 100mw to 30 watts. There are other units probably more suited to your needs such as a Laserbee Free Shipping Laserbee? 3 7Watt USB Laser Power Meter Thermopile Ready to Use | eBay - There are other laser power meters which are less expensive such as the Radiant, see more about it here: Radiant X4: A LPM for the masses at Illumination Supply!
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"I regard consciousness as fundamental. I regard matter as derivative from consciousness..." - Max Planck. "Everything we call real is made of things that cannot be regarded as real" - Neils Bohr. "What we call physical things and events do not exist independently of subjective experience..." - Deepak Chopra.

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Old 11-23-2015, 01:32 PM #2167
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Default Re: PERMANENT THREAD: Ebay& other internet FINDS of interest- read all the OP please

$25.00 USD 405nm 500 700mW Violet Laser Diode S06J Violet Laser Diode Cut Pin 1pcs Package | eBay - I haven't seen these 700mw 405nm single mode diodes go for less anywhere, usually twice this price each. I had one from DTR which put out nearly 900mw, but it died. Next time I will set it lower, DTR sells some diodes set to high output if you ask for it, but I don't recommend it anymore, this is the second diode which has died on me at the max output setting he offered. He does say "not recommended", listen to him!
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Sincerely investigate any of these three short quotes as new concepts and you've taken your first step into a larger world:

"I regard consciousness as fundamental. I regard matter as derivative from consciousness..." - Max Planck. "Everything we call real is made of things that cannot be regarded as real" - Neils Bohr. "What we call physical things and events do not exist independently of subjective experience..." - Deepak Chopra.

Each of these three rabbit holes go deep, ending up in the same place.

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Last edited by Alaskan; 11-24-2015 at 05:22 PM. Reason: Added current price
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Old 11-23-2015, 05:58 PM #2168
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Default Re: PERMANENT THREAD: Ebay& other internet FINDS of interest- read all the OP please

Nice 473nm laser like mine! Though mine doesn't have the FC on the end. (They're removable) sombody snatch this beauty up!

473nm 100mW DPSS Laboratory Laser | eBay
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Old 11-24-2015, 11:05 PM #2169
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Default Re: PERMANENT THREAD: Ebay& other internet FINDS of interest- read all the OP please

Anybody know anything about this. Any good? Or is Ophir the only way to go? Low Cost Laser Power Meter Molectron PM 30 Head | eBay
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Old 11-25-2015, 12:06 AM #2170
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Default Re: PERMANENT THREAD: Ebay& other internet FINDS of interest- read all the OP please

Interesting, are you considering buying that Andrew? I have been on the fence about buying one.
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Old 11-25-2015, 12:59 AM #2171
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Default Re: PERMANENT THREAD: Ebay& other internet FINDS of interest- read all the OP please

Yes...a member here has one but he lives in Europe. There is a new Ophir head here for $300 as well as this one. The electronics can be purchased or built...with this you get both. The seller claims sensitivity to .1 which I wonder about since the Ophir 20 C that everyone uses is not according to the Ophir rep I spoke with here in MD.
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Old 11-25-2015, 03:29 AM #2172
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Default Re: PERMANENT THREAD: Ebay& other internet FINDS of interest- read all the OP please

Quote:
Originally Posted by Alaskan View Post
Resolution on that ebay unit is .1 or 100mw to 30 watts. There are other units probably more suited to your needs such as a Laserbee Free Shipping Laserbee? 3 7Watt USB Laser Power Meter Thermopile Ready to Use | eBay - There are other laser power meters which are less expensive such as the Radiant, see more about it here: Radiant X4: A LPM for the masses at Illumination Supply!
Here is the thing. It would be nice to be able to measure the lower powers from 5 to 100 mw and to where I think this is going....10 to 20 W

I mean we have one that will do at leas 7 right.

I suspect one will need two heads if you want the sensitivity of the lower ranges.

What do you think?
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Old 11-25-2015, 05:12 PM #2173
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Default Re: PERMANENT THREAD: Ebay& other internet FINDS of interest- read all the OP please

This is not a bad deal when you add up all the parts, I don't know if it's the 4 mode driver or not.

1W to 1 4W 520nm Green Laser Kit MX 900 Host Copper Heat Sink Focusable Lens | eBay
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Old 11-28-2015, 02:56 AM #2174
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Default Re: PERMANENT THREAD: Ebay& other internet FINDS of interest- read all the OP please

CNI Model MGL 4W 4 Watt Output 532nm Green DPSS Lab Laser | eBay

30% off of BIN price for LPF members with minimum of 50 posts +pos feed back.
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RHD's Relative Perceived Brightness Calculator. Compare brightness @nm: http://lsrtools.1apps.com/relativebrightness

To shorten my signature I have moved most of my laser related web links to this forum page, the second post in that thread shows most of my builds... Alaskan's Laser Links: http://laserpointerforums.com/f44/al...ml#post1449395


Sincerely investigate any of these three short quotes as new concepts and you've taken your first step into a larger world:

"I regard consciousness as fundamental. I regard matter as derivative from consciousness..." - Max Planck. "Everything we call real is made of things that cannot be regarded as real" - Neils Bohr. "What we call physical things and events do not exist independently of subjective experience..." - Deepak Chopra.

Each of these three rabbit holes go deep, ending up in the same place.

Useless troll fighting.
.........................
PhotoB****t high jacking you too? Use this link instead:
http://imgbb.com

High resolution of my avatar: https://ibb.co/fWOhXF
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Old 11-28-2015, 04:02 AM #2175
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Default Re: PERMANENT THREAD: Ebay& other internet FINDS of interest- read all the OP please

@cowboy
This is Trent's. Which diode you think he is using?
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Old 12-26-2015, 01:21 AM #2176
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Default Re: PERMANENT THREAD: Ebay& other internet FINDS of interest- read all the OP please

Cheap boost drivers for blue laser diodes up to 1.8 amps:

2 Pieces 445nm 450nm Blue Laser Diode Driver 1 8A Output for 1 2W USA Seller | eBay
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RHD's Relative Perceived Brightness Calculator. Compare brightness @nm: http://lsrtools.1apps.com/relativebrightness

To shorten my signature I have moved most of my laser related web links to this forum page, the second post in that thread shows most of my builds... Alaskan's Laser Links: http://laserpointerforums.com/f44/al...ml#post1449395


Sincerely investigate any of these three short quotes as new concepts and you've taken your first step into a larger world:

"I regard consciousness as fundamental. I regard matter as derivative from consciousness..." - Max Planck. "Everything we call real is made of things that cannot be regarded as real" - Neils Bohr. "What we call physical things and events do not exist independently of subjective experience..." - Deepak Chopra.

Each of these three rabbit holes go deep, ending up in the same place.

Useless troll fighting.
.........................
PhotoB****t high jacking you too? Use this link instead:
http://imgbb.com

High resolution of my avatar: https://ibb.co/fWOhXF
Alaskan is offline   Reply With Quote
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