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> Date: Thu, 3 Jun 2010 12:01:12 -0700<BR>> From: adi@hexapodia.org<BR>> To: dcfrench@gmail.com<BR>> CC: noisebridge-discuss@lists.noisebridge.net<BR>> Subject: Re: [Noisebridge-discuss] red laser diode module group order<BR>> <BR>> On Thu, Jun 03, 2010 at 11:51:02AM -0700, Don French wrote:<BR>> > On Thu, Jun 3, 2010 at 1:33 AM, Christie Dudley <longobord@gmail.com> wrote:<BR>> > > Eh. You'd need a lot more than 5mW to put an eye out.<BR>> ><BR>> > As far as permanent blindness goes, that is correct. But there are cases<BR>> > where people have (stupidly) shined a <5mW laser into their eye at close<BR>> > range for several seconds and received a scotoma (blind spot). But even in<BR>> > those cases, they all fully recovered within 3-6 months.<BR>> <BR>> I wouldn't blindly (heh) trust the sticker that says "5mW" on a random<BR>> diode from a reseller in China; I've heard stories of parts being badly<BR>> mislabelled (5 mW on the label, 40 mW on the meter).<BR>> <BR>> There's market demand for "brighter", but legal restrictions on selling<BR>> anything rated higher than 5 mW. So, definitely an incentive to<BR>> under-label.<BR>> <BR>> Luckily, we have friends with tools, so we'll meter out a few diodes<BR>> from this batch.<BR><BR>
Do you know someone with a meter? If not, Nick, from Seattle gave me his address to send a few to for testing on his equipment. I'm happy to spare a few diodes for testing the output.<BR>
<BR>
Mitch.<BR>
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