Radiotherapy/Experimental Runs/2022-09-07

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Third experimental measurements with Cyberknife at Birmingham. Green and blue scintillator thin sheet measurements with measurements of green radiation damage.

Setup

Camera settings

  • Focal length 20mm
  • lens focus distance – 0.5 (500mm)
  • 53cm focal plane (phi on camera ) to sheet
  • f-number 5.6

Plan

  • Take photos of green sheet with blocks1 starting from big field size to small
  • Take photo of discolouration
  • Take out blocks1 and photo with colorchecker
  • Put in blocks2 and blue enhanced scint sheet – repeat
  • Remove blue sheet – repeat measurements
  • Photo blocks1 and colorchecker again

Data taking

Blue scintillator sheet
Collimator Size (mm) Exposure (s) ISO f-number File no. Comments Image
60 10 400 5.6 69-73
coll_size_60mm_0.JPG
50 10 400 5.6 74-78
coll_size_50mm_0.JPG
40 13 400 5.6 79-83
coll_size_40mm_0.JPG
35 15 400 5.6 84-88
coll_size_35mm_0.JPG
30 15 400 5.6 89-93
coll_size_30mm_0.JPG
25 20 400 5.6 94-98
coll_size_25mm_0.JPG
20 25 400 5.6 99,101-104
coll_size_20mm_0.JPG
15 30 400 5.6 106-110
coll_size_15mm_0.JPG
12.5 30 400 5.6 111-115
coll_size_12-5mm_0.JPG
10 30 400 5.6 116-120
coll_size_10mm_0.JPG
7.5 30 400 5.6 121-130
coll_size_7-5mm_0.JPG
5 30 400 5.6 131-140
coll_size_5mm_0.JPG
60 4 400 5.6 161-165
coll_size_60mm_4s.JPG
60 5 400 5.6 166-170
coll_size_60mm_5s.JPG
60 6 400 5.6 171-175
coll_size_60mm_6s.JPG
5 30 800 5.6 141-145
coll_size_5mm_30s_iso800_f5-6.JPG
5 30 1600 5.6 146-150
coll_size_5mm_30s_iso1600_f5-6.JPG
5 30 400 2.8 151-155
coll_size_5mm_30s_iso400_f2-8.JPG
5 15 1600 5.6 156-160
coll_size_5mm_15s_iso1600_f5-6.JPG
No scintillator sheet
Collimator Size (mm) Exposure (s) ISO f-number File no. Comments Image
60 10 400 5.6 69-73
coll_size_60mm_0.JPG
50 10 400 5.6 74-78
coll_size_50mm_0.JPG
40 13 400 5.6 79-83
coll_size_40mm_0.JPG
35 15 400 5.6 84-88
coll_size_35mm_0.JPG
30 15 400 5.6 89-93
coll_size_30mm_0.JPG
25 20 400 5.6 94-98
coll_size_25mm_0.JPG
20 25 400 5.6 99,101-104
coll_size_20mm_0.JPG
15 30 400 5.6 106-110
coll_size_15mm_0.JPG
12.5 30 400 5.6 111-115
coll_size_12-5mm_0.JPG
10 30 400 5.6 116-120
coll_size_10mm_0.JPG
7.5 30 400 5.6 121-130
coll_size_7-5mm_0.JPG
5 30 400 5.6 131-140
coll_size_5mm_0.JPG
60 4 400 5.6 195-199
coll_size_60mm_4s.JPG
60 6 400 5.6 200-204
coll_size_60mm_6s.JPG
With no sheet
Collimator Size (mm) Exposure (s) ISO f-number File name Image Comments
5 30 400 5.6 hello im comment
5 30 400 5.6 hello im comment