*A fluorine resistant regulator will be purchased by the first week in April.
*A fluorine resistant regulator will be purchased by the first week in April.
==Updates for April 2010==
==Updates for April 2010==
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*A FORTRAN program has been written which simulates rays exiting the laser aperture and then focused through a fused silica lens. We are able to determine the smallest spot size attainable as a function of the distance away from the lens and fit the x y projections with Gaussian approximations as shown below.