Which statement accurately describes a characteristic of optically stimulated luminescence dosimeters?

Which statement accurately describes a characteristic of optically stimulated luminescence dosimeters?

• A. They are prohibitively expensive for large radiology staffs.
• B. They are highly sensitive to heat and humidity.
• C. They can clearly classify energy levels of incident radiation.
• D. They must be kept in sunlight at all times.

Answer: (C)

Optically stimulated luminescence dosimeters rely on a luminescent material that stores energy from radiation and then releases light when stimulated. The amount of light emitted per unit dose depends on the energy of the incident photons, and with proper calibration this energy-dependent response lets you distinguish different energy levels of the radiation. In practice, this means you can use OSLDs to classify the energy of incident radiation under appropriate testing and calibration. Other statements don’t fit how these dosimeters are used: they should not be kept in sunlight, because light can erase the stored signal; they aren’t characterized by extreme sensitivity to heat and humidity; and they are generally cost-effective for monitoring doses across large radiology staffs.

Optically stimulated luminescence dosimeters rely on a luminescent material that stores energy from radiation and then releases light when stimulated. The amount of light emitted per unit dose depends on the energy of the incident photons, and with proper calibration this energy-dependent response lets you distinguish different energy levels of the radiation. In practice, this means you can use OSLDs to classify the energy of incident radiation under appropriate testing and calibration.

Other statements don’t fit how these dosimeters are used: they should not be kept in sunlight, because light can erase the stored signal; they aren’t characterized by extreme sensitivity to heat and humidity; and they are generally cost-effective for monitoring doses across large radiology staffs.