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Message ID: 120     Entry time: Wed May 12 22:10:13 2010
Author: Tara Chalermsongsak 
Type: Laser 
Category: Laser 
Subject: Beam waist measurement 

I measured the beam waist again. The laser was operated at full power ~100mW. A mirror attenuated the beam to 60 uW and ND  4.0 was on the CCD.

The fits give

 Wx = 155 um, 3.45 cm in front of the opening.

Wy = 201 um, 2.8 cm in front of the opening.


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