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Entry  Thu Sep 2 01:44:13 2010, Jenne, Update, PSL, PSL beam hitting the PMC! 
    Reply  Fri Sep 3 06:55:42 2010, rana, Update, PSL, PSL beam hitting the PMC! 
Message ID: 3511     Entry time: Thu Sep 2 01:44:13 2010     Reply to this: 3519
Author: Jenne 
Type: Update 
Category: PSL 
Subject: PSL beam hitting the PMC! 

[Rana, Jenne]

More PSL progress. 

The new laser was raised to a 4 inch beam height using basically the most randomly thrown together method possible.  (It'll work just fine for aligning things, but we seriously need to get a nice block made.)  The PMC and the nice Osamu-mirror mount to go into the PMC also have temporary risers, so we'll need to replace them with the real deal as soon as we get things back from the shop.

So far we've got (1) the lens after the laser, (2) a Half Wave Plate (no quarter wave plate yet), (3) steering mirror that will go after the EOM, (4) 2 steering mirrors to get into the PMC, in addition to all of the stuff that we did the other day.  With all of this stuff we've got the beam hitting the 1st PMC mirror. We still don't have the EOM and AOM in the beam path however.

To get the rough alignment that we did, we turned on the new 2W NPRO, operating at the minimum power we could see on a card.  We turned it off after use, so it is still off.  Steve, we left the cable for the interlock sitting on the PSL table on the NW corner....can you please hook it up tomorrow?  Also, after the interlock is installed we should go back to regular running laser hazard mode. 

 

 

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