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Follow-up Re: Characterization of 780 nm Optical filter
The characterization of the 780 nm optical filter was performed in the UITF laser room using a SuperK Fianium source equipped with an LLTF Contrast filter to provide tunable wavelengths. Measurements were taken with the optical filter oriented in both directions, allowing the laser to be incident on each face of the filter. In addition, the laser power was measured without the optical filter in the beam path, and these values were used to normalize the transmitted power measured through the filter.
HYST AREA 7-0 Cycles Magnets
HYST AREA Version 7-0 has successfully cycled the following:
Area.Linacs.North
Area.Linacs.South
Area.Arcs.Arc1.Spreader
Area.Arcs.Arc1.Arc
Area.Arcs.Arc1.Recombiner
Area.Arcs.Arc1.Extraction
Area.Arcs.Arc2.Spreader
Area.Arcs.Arc2.Arc
Area.Arcs.Arc2.Recombiner
Area.Arcs.Arc2.Extraction
Area.Arcs.Arc3.Spreader
Area.Arcs.Arc3.Arc
Area.Arcs.Arc3.Recombiner
Area.Arcs.Arc3.Extraction
Area.Arcs.Arc4.Spreader
Area.Arcs.Arc4.Arc
Area.Arcs.Arc4.Recombiner
Area.Arcs.Arc4.Extraction
Crew Chief Shift Log, 2026-07-07 DAY
Start of shift: Doing Machine Checks.
iocsoftsli3c restored
Crew Chief Timesheet Summary: 07 Jul 2026 DAY
Box Supplies Turned on and Cycled Once
The following box supplies were TURNED ON AND CYCLED ONCE by version 2-16 of the Box Supply Cycling Script:
ARC1A Ramp Rate = 8.127 A/s
ARC2A Ramp Rate = 6.808 A/s
ARC3A Ramp Rate = 9.725 A/s
ARC4A Ramp Rate = 10.989 A/s
ARC5A Ramp Rate = 9.961 A/s
ARC6A Ramp Rate = 9.222 A/s
ARC7A Ramp Rate = 10.222 A/s
ARC8A Ramp Rate = 11.962 A/s
ARC9A Ramp Rate = 9.380 A/s
ARCAA Ramp Rate = 12.276 A/s
RSEP8A Ramp Rate = 10.612 A/s
RSEP9A Ramp Rate = 3.273 A/s
1L15-2 CWWT trips after recovery to 12 Mv/m
iocsoftsli3c restored
The OPS DRVHs for the following cavities have been updated: 1L15-2
The OPS DRVHs for the following cavities have been updated:
1L15-2
Username: kerns
Date/Time: 07-07-26_15:13:11
RF Status: Good
Tuner Status: Good
Comment: DRVH=6.000 CWWT voltage drops and trips fast above 6 Mv/m, recovers to 1.1v at 6.0 Mvm.
Previous OPS DRVH: 12
Special Instructions:
Vacuum Group Summary 2026-07-07
Autolog restore
"Inline dump is now operable"
The following cavities have been bypassed: 2L18-8
The following cavities have been bypassed:
2L18-8
Username: jkt
Date/Time: 07-07-26_14:41:44
RF Status: Bad
Tuner Status: Good
Comment: Bypassed - stepped off +100k - attempted recovary failed
Special Instructions:
Maintenance Tag: Component: Other
The following cavities have been bypassed: 2L18-7
The following cavities have been bypassed:
2L18-7
Username: jkt
Date/Time: 07-07-26_14:41:44
RF Status: Bad
Tuner Status: Good
Comment: Bypassed - stepped off +100k - attempted recovary failed
Special Instructions:
Maintenance Tag: Component: Other
The following cavities have been bypassed: 2L18-6
The following cavities have been bypassed:
2L18-6
Username: jkt
Date/Time: 07-07-26_14:41:44
RF Status: Bad
Tuner Status: Good
Comment: Bypassed - stepped off +100k - attempted recovary failed
Special Instructions:
Maintenance Tag: Component: Other
The following cavities have been bypassed: 2L18-5
The following cavities have been bypassed:
2L18-5
Username: jkt
Date/Time: 07-07-26_14:41:44
RF Status: Bad
Tuner Status: Good
Comment: Bypassed - stepped off +100k - attempted recovary failed
Special Instructions:
Maintenance Tag: Component: Other
The following cavities have been bypassed: 2L18-4
The following cavities have been bypassed:
2L18-4
Username: jkt
Date/Time: 07-07-26_14:41:44
RF Status: Bad
Tuner Status: Good
Comment: Bypassed - stepped off +100k - attempted recovary failed
Special Instructions:
Maintenance Tag: Component: Other
The following cavities have been bypassed: 2L18-3
The following cavities have been bypassed:
2L18-3
Username: jkt
Date/Time: 07-07-26_14:41:44
RF Status: Bad
Tuner Status: Good
Comment: Bypassed - stepped off +100k - attempted recovary failed
Special Instructions:
Maintenance Tag: Component: Other










