[Laser] laser and law

Tue, 30 Dec 2003 21:25:32 +0100

Ther is some things writed about this subject in Sam's Laser faq.
There are also the sollowing links :
a.. CDRH - Center for Devices and Radiological Health (USA)
b.. CDRH Device Advice - On-Line Documents (USA)
c.. NRPB - National Radiological Protection Board (UK)
d.. RPB - Radiological Protection Bureau (Canada)
e.. Laser Institute of America (LIA) (Laser safety - ANSI Z136 standard)
f.. LIA - Laser Safety Information Bulletin
g.. LaserFX.com - Basic Laser Safety
h.. Naval Surface Warfare Center (Laser safety, info, links)
i.. Rockwell Laser Industries, Inc. Lasernet (Laser safety programs, laser
links)
j.. University of Pensylvania - Laser Safety Manual (Complete document)
k.. University of Waterloo - Laser Safety Manual (Complete document)
l.. USACHPPM - Laser and Optical Radiation Hazards Program
m..
n.. ----- Original Message -----
From: "Jim Moss" <[email protected]>
To: <[email protected]>
Sent: Tuesday, December 30, 2003 5:29 PM
Subject: Re: [Laser] laser and law

> In the USA, the CLASS IIIa (<5mW) seems to be the maximum permitted power,
regardless of density. (This is from everything that I have been able to
determine.)
> Indoor activities accessible to the public require a waiver above this
amount.
> I'd expect outdoor activities to be the same.
>
> We've previously had a post on how to get a waiver....It included a link
to a waiver form.
>
> Jim
> N9JIM/6
>
>
> [email protected] wrote:
> In a message dated 12/29/03 11:14:52 PM GMT Standard Time,
> [email protected] writes:
>
> > I know this thread comes up from time to time, but I still haven't been
> > able to get a straight answer. Anyway, I'm just about ready to try some
> > cloud-bounce QSOs. What exactly are the rules for how much power I'm
allowed to
> > shoot into the sky--All of my stuff goes into a 3" beam expander, so the
power
> > density should be very low even with my 100mw IR diode. Can anyone
address
> > this? For now I'm just going to keep the beam away from aircraft, not
that
> > they would ever have a chance of being endanged by it in the first
place.
> >
> > Andy K0SM
> >
> >
>
> Hi Andy.
>
> With the expanded beam you should be OK as the power density will be low
and
> the IR cannot be seen. I was worried by this until I discovered a high
power
> green laser located a few miles south of here. It's used for bouncing off
> retroreflectors fitted to satellites. Apparently it generates element sets
that
> are much more accurate than the usual NASA radar. We asked what
precautions they
> took regarding aircraft......and they just looked blank!
>
> 73
>
> David G0MRF
>
>
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