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Optically stimulated luminescence (OSL) technology is a dramatic breakthrough in radiation detection. The key to the optically stimulated luminescence technology is the detector material, aluminum oxide crystals (Al2O3:C), grown by Landauer. Aluminum oxide can be grown in a variety of crystal configurations depending on its intended application. Most predominant in the market is the use of OSL as a dosimeter for measuring personnel radiation exposure. For over 50 years, Landauer has maintained leadership in dosimeter manufacturing and dosimetry analysis services that now incorporate the OSL technology. The amount of radiation exposure is measured by stimulating the Al2O3 material with green light from either a laser or light emitting diode source. The resulting blue light emitted from the Al2O3 is proportional to the amount of radiation exposure. Both high and low-energy photons and beta particles can be measured with this technique. |
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Optically stimulated luminescence (OSL) technology was pioneered in 1992 in conjunction with Battelle Northwest National Laboratory and Oklahoma State University. The first OSL dosimeter was first distributed in 1996 to a limited market with the official OSL dosimeter, LUXEL, introduction in 1998. Landauer completely replaced its film based dosimetry system with the proprietary OSL dosimeter by 2000. Today, approximately 1.5 million participants are wearing OSL dosimeter throughout the world.
Based on Luxel’s success, Landauer collaborated with Panasonic® to develop a turnkey, on-site OSL analysis system known as InLightTM. In-house dosimetry programs and laboratories worldwide can benefit from the many OSL advantages by using the InLight System. InLight offers four different readers and two different whole body dosimeter configurations. Many service options are available to meet varying requirements.
