Re: [ATM] Bench star test

[Jim McPherson <jim@eflightproducts.com>]

Hi Dale,
        Very interesting results. I'd like to try that out. Can you 
detail how your setup works? The bare laser diode is at ROC, where is 
the webcam and how is it setup? What power laser diode did you use? Is 
it at or below threshold (is it lasing or just glowing)?

-Jim

Dale Eason wrote:
> I tried what is for me a new way to star test and then
> compared it to my simulated star test from
> interferometry data.  The mirror is an 8 inch with ROC
> of 119 inches.
>
> The bench star test was done at ROC using a red laser
> diode with the lens removed to make a point source
> light.  The detector was a Philips web cam with the
> lens removed.
>
> http://home.comcast.net/~doeason/interferometer/star_bench_igram.jpg
>
> The red image is the laser and web cam.  The black and
> white image is the simulated version from
> interferometry data.
>
> I think the laser point source and web cam show
> promise.
>
> Dale Eason
>
>
>        
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