piclist 2001\02\03\225757a >
Thread: "Lasers again" distance measurement
face BY : David VanHorn email (remove spam text)

At 08:51 AM 2/4/01 +0530, Jeethu Rao wrote:
>Well Sid,
>     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
Reply You must be a member of the piclist mailing list (not only a www.piclist.com member) to post to the piclist. This form requires JavaScript and a browser/email client that can handle form mailto: posts.
Subject (change) "Lasers again" distance measurement

month overview.

new search...