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Essentials of Laser Safety

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Essentials of Laser Safety

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Lasers are distinguished from other light sources because lasers exhibit a high degree of collimation and have large optical intensities. Not only can these intensities remain large after long propagation distances, focusing elements can be used to drastically increase these intensities. While these unique attributes enable the myriad of laser-based applications, they also render laser radiation potentially hazardous to users.Such hazards come in the form of potential biological damage to the eye or skin, so laser safety is a critical aspect of laser usage. In this section, the classification of lasers based on their level of safety hazard is discussed along with general practices for maintaining laser safety. In addition, aspects of laser-induced damage to components within a laser system or an optical layout are also addressed.

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