Back on track

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After a brief hiatus, progress is moving forward at full speed with the CyberMULE. A number of improvements have been implemented by Tim Anglin (postdoc), who is now working full time on this project.

Here's a panoramic view of the instrument:
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This is a closer view of the filtering and delay line portion. The original plan had reflective filters on the automated filter wheels, but the rotation of these things was not perfect enough -- the beam walked when you switched filters. We moved to a mostly transmissive filtering system to avoid this, but we also included automated fine pointing after all filtering in order to make all frequency ranges come out on the same path.
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Sample holders have been programmed and labeled on the computer controlled stage:
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Here you can see a better view of the filtering part of the instrument. This was trickier than expected and we had several iterations. One challenge here was that the output beams from the OPAs are not separated in any way -- signal, idler, and sometimes SHG or DFG come out the same place -- and the filter set from Quantronix is a manual system... you have to bolt on a clunky filter block to switch beams. Tim came up with a fairly extensive series of filters in the automated filter wheels that allow you to select for specific frequencies. Signal and idler separation can be really tricky sometimes!
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MULE taking shape

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Just a few quick update photos of the MULE starting to take its form. The laser lab temp is finally under control, and J. Brom and his undergrads, Nick and Jimmy, will be assembling portions of the pump-probe setup this week.
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Here you can see a few of the components being laid out to estimate the beam paths.
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CyberMULE laser system installation begins

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This week, Hayden from Quantronix came out to set up the laser system. The regen/multipass and OPAs look pretty sweet, very compact. So far I like it.
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Laser table moves in!

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This week, Murphy Rigging installed the beautiful Newport laser table, the future home of the CyberMULE!

The table moved in as two segments so that it could fit down the hall and through the doorway. These segments weigh about 1500 lbs each, so it is not a job for amateurs.
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Here the shorter segment was being hoisted for joining up with the longer segment.
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And, finally the two pieces were one monster table, just right for a MULE.
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Recent Assets

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  • CyberMULE Panorama20130228.jpg
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