level: (TLD) Thermoluminescent dosimeter
Questions and Answers List
level questions: (TLD) Thermoluminescent dosimeter
| Question | Answer |
|---|---|
| (TLD) are used in what? | personal monitoring of the whole body or the extremities |
| What does (TLD)measure? | skin dose from particular investigations |
| what materials (TLD) contains? | Lithium fluoride (LiF, which absorb radiation and then release the energy in the form of light when heated |
| The intensity of emitted light from (TLD) is proportional to? | Radiation energy absorbed originally |
| (TLD) personal monitoring consist of what? | Yellow or orange Plastic holder. worn like the film badge for 1-3 months |
| Advantage of (TLD) ? | *The lithium fluoride is re-usable *read--out measurements are easily automated and rapidly produced *suitable for a wide variety of tooth management |
| Disadvantages of (TLD) | Read-out is destructive *only limited information provided on the type and energy of the radiation |
| 3rd an4th Disadvantage of (TLD)? | dose gradient are not detectable. *relatively expensive |