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Old 02-21-2011, 03:31 PM #17
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Default Re: Priceangels on sale: $10.99 true 30mw laser pen, $13.99 true 50 mw laser pen

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Originally Posted by twhite828 View Post
John, another simple way of measuring IR is to put laser safety glasses (those red ones) in front of the laser, and measure the power that passes through them.

If you see no green light on the LPM sensor but still get a reading greater than zero, you have IR. Subtract that number from the output without the safety glasses in front of the laser, and you've roughly calculated the true green output.

-Trevor
Thanks, trevor

it is a easy way, but will it work accurately?


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Old 02-21-2011, 03:33 PM #18
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Default Re: Priceangels on sale: $10.99 true 30mw laser pen, $13.99 true 50 mw laser pen

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Originally Posted by John7788 View Post
Thanks for all you kind help, compare with you, my workers are just like fool, they often tell me "this is too hard, to0 hard", I just want to fire them. But I can't do everything myself.

Maybe it need some time for them to understand how an IR filter works.
Try it out yourself, get yourself a calculator, some lasers, IR filters, Laserpowermeter and read the postings above. Would take you less than half an hour. Make an average and post it. Teach your engineers how to handle it. If they donīt want to learn, fire them


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Thanks, trevor

it is a easy way, but will it work accurately?
For a quick first look itīs enough. But do it with good googles.
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405nm >> Wickedlasers SONAR by lazeerer peak@968mW
445nm >> Kryton Smooth by lazeerer peak@2075mW
453nm >> Lipstick by rhd peak@158mW
473nm >> Optotronics RPL-B peak@112mW
515nm >> Skylasers HL peak@41mW
532nm >> Novalasers Alpha HP peak@284mW
589nm >> CNI PGL-III-A peak@89mW
594nm >> Laserglow Rigel peak@4mW
635nm >> MXDL by DTR peak@38mW
642nm >> Saillaser peak@23mW
660nm >> CR2 by lazeerer peak@524mW
685nm >> MXDL by lazereer peak@42mW

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Old 02-21-2011, 04:28 PM #19
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Default Re: Priceangels on sale: $10.99 true 30mw laser pen, $13.99 true 50 mw laser pen

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Originally Posted by John7788 View Post
Thanks, trevor

it is a easy way, but will it work accurately?
I would say 95% accurate or so. Just make sure you use good goggles (so you see no green dot on the sensor), like DJNY said.

-Trevor
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Old 02-22-2011, 03:43 PM #20
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Default Re: Priceangels on sale: $10.99 true 30mw laser pen, $13.99 true 50 mw laser pen

Quote:
Originally Posted by DJNY View Post
Try it out yourself, get yourself a calculator, some lasers, IR filters, Laserpowermeter and read the postings above. Would take you less than half an hour. Make an average and post it. Teach your engineers how to handle it. If they donīt want to learn, fire them



For a quick first look itīs enough. But do it with good googles.
Quote:
Originally Posted by twhite828 View Post
I would say 95% accurate or so. Just make sure you use good goggles (so you see no green dot on the sensor), like DJNY said.

-Trevor


good points.

I will try ti test some of my high power lasers firstlt after this period when we are busy with the orders of the last two weeks. So many orders are delayed because of the holiday.

reliable john
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THREAD :
the real output of priceangels lasers

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