We need to switch out normal flat-faced beam dumps with triangular cavity beam dumps in all places where they are not present. Following is a summary of beam dump status
Total Normal Beam Dumps behind PMCs: 12
Triangular Cavity Beam Dump Mount Requirements
| Position |
South Path Present? |
North Path Present? |
Needed more? |
| PMC RFPD reflection |
1 |
1 |
0 |
| FSS RFPD reflection |
1 |
1 |
0 |
| PMC Back-reflection |
0 |
1 |
1 |
| BS Discard before PMC EOM |
0 |
1 |
1 |
| Faraday Isolator discard before cavities |
0 |
0 |
2 |
| Trans CCD (Common) |
1 |
0 |
1 |
| Trans ISS PD Reflection |
0 |
0 |
2 |
| Trans BS discard before PD |
0 |
0 |
2 |
| Beatnote NF1811 (Common) |
1 |
0 |
0 |
| Beatnote SN101 (Common) |
1 |
0 |
0 |
| Total |
|
|
9 |
Present Inventory for triangular beam dumps and requirements
| |
Present Quantity in CTN |
Needed more according to the above table |
| Triangular Cavity Mounts |
3 |
6 |
| Square 1"x1" Black Glass |
16 |
11 |
| Rectangular 1"x1.5" (Estimate) Black Glass |
4 |
0 |
| Square 1"x1" Black Glass with Hole |
4 |
0 |
Triangular Cavity Beam Dump
|