Several occupations bring working people into contact with radioactive material every day, for example: X-ray specialists, atomic energy plant workers as well as doctors using radiotherapy. The science associated with measuring radiation exposure in individual tissue or even non-living items is known as Dosimetry.

Radiation received through contact with X-rays, Leader as well as Beta particles or even Gamma rays, can be measured using a radiation detector. The Geiger counter and radiation dosimeter are two regular devices which have different methods of detecting radiation.

Calculating increasing amounts of radiation accumulated during a time period, the dosimeter alerts the threat of too much exposure. As greater amounts of radiation are absorbed, a color strip alters color on the commonly used dosimeter badge.

The quartz fiber and thermoluminescent dosimeters are more advanced devices which accurately keep track of much smaller amounts of radioactivity. The quartz fiber sensor contains a gas keeping an electric charge. The hook techniques because radiation ionizes the gas and results in the charge to dissolve. The crystal included inside the thermoluminescent dosimeter reflects measurable levels of noticeable light, that change as it is bathed in radiation.

Instead of recording small amounts of radiation that are gradually absorbed over time, the basic Geiger counter measures the level of radioactivity at a single moment, but also runs on the charged gas to detect ionized particles.

Those who are not at risk are buying sensors as new threats are found. An increase in sales of Dosimeters and Geiger counters happened due to the escape of radioactive gas during a nuclear reactor crisis in Japan.