"Lasers again" distance measurement
David VanHorn email (remove spam text)
At 08:51 AM 2/4/01 +0530, Jeethu Rao wrote:
> Can you please tell me how can the phase of a beam be determined ? I
>know the phase of radio signals can be detected. But I don't know of a
>method to find out the phase of a light beam.
You simply mix the received light with the transmitted light.
Dark means out of phase, bright means in-phase.
It's used for sensitive distance measurement.
Where's dave? http://www.findu.com/cgi-bin/find.cgi?kc6ete-9
http://www.piclist.com hint: The PICList is archived three different
ways. See http://www.piclist.com/#archives for details.
In reply to: <000001c08e5d$99fbe9a0$4ea856ca@swank>
See also: www.piclist.com/techref/displays.htm?key=laser
You must be a member of the
piclist mailing list
(not only a www.piclist.com member) to post to the