Laser in underwater lidar application?

1. Mar 18, 2004

vani

what can be the output beam diameter for microchip PULSED laser in underwater lidar application?

2. Mar 19, 2004

Integral

Staff Emeritus
I do not think that an answer exits for the given information.

3. Mar 19, 2004

suyver

It can be $\pi/e$.
It can be something else too.

4. Mar 22, 2004

vani

laser

what does e specify?e charge or exp const?
what type of polarization&output power for pulsed laser source can be used in lidar application under sea?