Date: Tue, 9 Nov 2004 18:06:53 -0500 (EST)

Author: Steve Wonnell

Subject: RE: Laser pointers

Post:


Simcha,
Scopestuff has some green laser pointers that can be operated
with a power supply, e.g. http://www.scopestuff.com/ss_lasp.htm.
Of course you can also fabricate something similar yourself.
Steve W.

On Tue, 9 Nov 2004, Simcha Segev wrote:

> Date: Tue, 9 Nov 2004 23:38:17 +0200
> From: Simcha Segev
> Reply-To: tap-l@listproc.appstate.edu
> To: tap-l@listproc.appstate.edu
> Subject: RE: Laser pointers
>
> Ziggy and all,
>
> I'm joyful to see you running forward in "full steam".
>
> While we are talking about cheap laser pointers, I would like to buy few
> green light laser pointers (532 nm) that might be used as a monochromatic
> light source for lot of demos (Diffraction, Superposition, etc). I think
> that a ~5mw output is much brighter and visible in this wavelength then the
> commercials He/Ne lasers sold in the range of 500 - 1K$. The only problem is
> that I didn't find a low-price laser that is operated by external
> power/charger. A quick Google search lead me to lot of sites that sell this
> >5mw laser pointers, for example, http://www.z-bolt.com/generic27.html for
> less then $100.
>
> My question is if anybody has a good experience with this kind of lasers and
> has recommendations or criticism about using this low-power led laser in the
> classroom demonstrations.
>
> Regards to all, Simcha Segev
>
> p.s. I hope you enjoy last weekend fishing. Don't grab them all....
>
>
> -----Original Message-----
> From: owner-tap-l@Listproc.appstate.edu
> [mailto:owner-tap-l@Listproc.appstate.edu] On Behalf Of Zigmund J. Peacock
> Sent: Tuesday, November 09, 2004 8:39 PM
> To: tap-l@Listproc.appstate.edu
> Subject: Laser pointers
>
> Taplers, a while back we were talking laser pointers, cheapies.
> Would someone remind me where you were buying.
> I have lost my paper catalog where I got my last ones, ~$5 is my
> recollection.
> Thanks. Zig
>
> --
> Zigmund J. Peacock WWW.physics.utah.edu/people/staff/peacock.html
> University of Utah/Physics peacock@physics.utah.edu
> 115 SOUTH 1400 EAST #201 Tel 801 581 6602
> SALT LAKE CITY UT 84112-0830 Fax 801 581 4801
>
> "We sleep safely in our beds because rough men stand ready in
> the night to do violence to those who would do us harm"
> -- George Orwell
>
> "All that is necessary for the triumph of evil is that good
> men do nothing!"
> -- Edmund Burke
>
>
> +++++++++++++++++++++++++++++++++++++++++++
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>
>
From peacock@physics.utah.edu Wed Nov 10 12:10:32 2004

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