[Laser] Re: Jim, et al

[Buchanan Bill]

oh, forgot one:

http://www.ssec.wisc.edu/~baum/Cirrus/Solar_Spectral_Models.html



--- Buchanan Bill <wb4wen at yahoo.com> wrote:

> 
> Might be somethings to look at as far a laser
> communications improvements.....
> 
> 
> 
> 
>
http://www.ornl.gov/sci/lasers_optics_diagnostics/FactSheets/Hutchinson-LWIR%20Comms%20FactSheet(1pg).pdf
> 
>
http://www.ornl.gov/sci/engineering_science_technology/sms/Hardy%20Fact%20Sheets/Ultra-Weak%20Signal.pdf
> 
> 
> 
> --- Jim Moss <n9jim-6 at pacbell.net> wrote:
> 
> > leave the optional 10K resistor out of the
> circuit.
> > That way you have an open collector transistor.
> > Then connect the emitter to the lower voltage side
> > of the switch and the
> > collector to the higher voltage side of the
> switch.
> > 
> > Jim
> > 
> > 
> > 
> > --- Brent <hamfreak2002 at gmail.com> wrote:
> > 
> > > Ok, built the occilaor part of this webpage 
> > > http://www.qsl.net/wb9ajz/laser/data/cheepo.txt
> > > 
> > > was wondering if I directly connect the hot side
> > of the switch to keys 
> > > laser nad the ground to ground.. when I measure
> it
> > with a volt meter it 
> > > says 8 volts? am I doing something wrong....
> will
> > that kill the laser?
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> > 
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> > 
> 
> 
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