[Laser] "retro reflectors"

[Kerry Banke]

I also received several which we ordered for our local group. I plan to put 
an old blade in my bandsaw & try cutting the rubber off one this weekend. 
I'll provide a report once that's done. They look like high quality units & 
compare nicely to several other types I have. I also just received some of 
the 910 nm 1w laser diodes on Ebay.   I do believe they are pulse type 
only. I fired one up in pulse mode and it puts out quite a singal. I plan 
to heat sink one to see how far it can be pushed in duty cycle. I'm using a 
CCD camera to observe it and a high speed photodiode feeding into a 50 ohm 
preamp to my oscilloscope as well.  Does anyone know of a cheap source for 
IR protective goggles?  All of the goggles I have seem to transmit IR too well.
  -Kerry N6IZW -

At 02:58 PM 9/3/2004, you wrote:
>I received my "retro reflector" in the mail last week.  Shipping was cheap 
>here in NY, so for $20 I figured I'd give it a shot.  It might be possible 
>to cut them apart with a saw and get three separate reflectors if one is 
>careful, but I'm not sure what the inner construction looks like.  I 
>looked at it with my telescope from about 70 feet away and could see my 
>lens looking back at me. It looks like it would make a good target for 
>testing your LOS laser projects if you have a place to put it some 
>distance away.
>
>http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&category=7321&item=3835859836
>
>Andy K0SM/2
>
>
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