Recent content by Green Lantern

I'm getting desperate. The professor has assigned a project and has not clearly explained how to derive the answers. I'm doing the best I can but his TA's and recommended tutors for the class are always incapable of reproducing the answers either. It's a junior level dynamics class, but he's...

Great. Thanks for the help.

The book here gives w(z) as the spot size. There is a minimum spot size at a certain point along the z-axis defined as z=0.

I'm just going to bump this topic.

Homework Statement 3. A laser scientist tells you that her He-Ne laser can be focused to a spot size of 5.00 microns. When pressed for details, she tells you that she got this number by measuring the Full Width Half Maximum (FWHM) of the intensity profile of the laser waist. a) What is...