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 | 30 | 100 | 5 | 69-73 | 
| |
| 60 | 30 | 100 | 5 | 74-78 | 
| |
| 60 | 30 | 100 | 5 | 79-83 | 
| |
| 60 | 30 | 100 | 5 | 84-88 | 
| |
| 60 | 30 | 100 | 5 | 89-93 | 
| |
| 60 | 30 | 100 | 5 | 94-98 | 
| |
| 60 | 30 | 100 | 5 | 99,101-104 | 
| |
| 60 | 30 | 100 | 5 | 106-110 | 
| |
| 60 | 30 | 100 | 5 | 111-115 | 
| |
| 60 | 30 | 100 | 5 | 116-120 | 
| |
| 60 | 30 | 100 | 5 | 121-130 | 
| |
| 60 | 30 | 100 | 5 | 131-140 | 
| |
| With scintillator blue sheet | ||||||
|---|---|---|---|---|---|---|
| Collimator Size (mm) | Exposure (s) | ISO | f-number | File name | Image | Comments |
| 5 | 30 | 100 | 5 | hello | im | comment |
| 5 | 30 | 100 | 5 | hello | im | comment |
| With no sheet | ||||||
|---|---|---|---|---|---|---|
| Collimator Size (mm) | Exposure (s) | ISO | f-number | File name | Image | Comments |
| 5 | 30 | 100 | 5 | hello | im | comment |
| 5 | 30 | 100 | 5 | hello | im | comment |