Alcator C-Mod Weekly Highlights
			    January 2, 2007


FY2007 weeks of research operations:
   tentative target: 15 weeks
   Completed: 0 weeks



Operations
----------

The outside feedline to the 19,000 gallon liquid nitrogen tank is
being replaced with a more efficient vacuum line.  Components for the
new feedline are now in house and installation has begun.  Work also
continued on the nitrogen gas exhaust system.  The LN2 auto-fill
system for the diagnostic labs is being upgraded.

Work on upgrades to the Thomson scattering, video display, and
Langmuir probe electronics continued, as did work on new fiber optic
links for the DPCS (Digital Plasma Control System).  Work also
continued on polarimetry, cxrs, bolometry, and magnetics diagnostics.
Diagnostic and DNB calibration and alignment activities continued.

All tungsten lamella tile components are in-house and installation of
the tiles on outer divertor modules continues.

Work continued on the cryopump feedlines and vacuum feedthroughs.


Lower Hybrid System
-------------------

Testing of the high power circulator and dummy load continued last
week.


ICRF Systems
------------

Work continued on the Fast-Ferrite-Tuner system as cabling,
distribution panels, and control boards are fabricated.  The
inspection and documentation of FFT#2 is nearly complete, and
preparations are being made for the inspection of FFT#1.

Upgrades to the ICRF crowbar cabinets continued.


Travel and Visits
-----------------

Leonid Dorf, a C-Mod collaborator from LANL, was on site for a week
between 12/13/06 and 12/20/2006 to prepare an infrared spectrometer
diagnostic for installation on C-Mod. This new diagnostic will use the
existing IR periscope that brings emission from the plasma and
in-vessel surfaces to an IR imaging camera. Working with Jim Terry, it
was determined that the region around 2.5 microns was the optimum
spectral region for the system.  A procedure for aligning the
spectrometer with the periscope was devised, and a wavelength
calibration for the spectrometer was performed.
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