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Some disadvantages of using thermoluminescent dosimeters (TLDs) include the need for specialized equipment to read the doses, they are single-use and need to be replaced after each measurement, and they are more expensive compared to other dosimeter options. Additionally, TLDs require careful handling and storage to prevent unintentional exposure to light or heat, which can affect their accuracy.

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How does a radiation dosimeter works?

There are different kinds.The thermoluminescent dosimeter has a crystal that stores energy when exposed to radiation and then emits light when heated.An OSL (optically stimulated luminescence) dosimeter works in a similar manner, except that a laser is used to stimulate the light emission instead of heat.To measure neutron radiation, a commonly used dosimeter uses solid state nuclear track detectors (SSNTDs). For example, a small square of CR-39 (the same plastic used in many lenses for glasses) develops latent damage tracks as the neutrons collide with protons in the plastic. These latent tracks are later developed using a caustic solution, e.g., sodium hydroxide solution and the developed tracks are counted using a microscope.Hopefully someone else can add how other types of dosimeters work by improving this answer for you.


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