Covering both underlying theory and practical applications, Laser Safety provides a unique and readily-understandable review of current laser safety. This resource explains in detail the biological effects of laser radiation, particularly on the eye, and the provisions and requirements of the international laser safety standard IEC 60825-1, including a full description of the recently revised system of laser classification. It elucidates the rationale for the often-complex laser emission and exposure limits given in the standard, and provides detailed guidance for using the standard to carry out quantitative laser assessments. The authors also discuss practical issues of risk assessment, safety controls, eye protection, and laser safety management. This practical and comprehensive handbook will be useful for anyone involved in laser safety, including academic and medical researchers, laser manufacturers, and compliance officers.
LASERS, LIGHT AND SAFETY Lasers: stimulating light Creating light Quantifying light The properties of laser radiation The safety of laser technology Safety standards QUANTIFYING LEVELS OF LASER RADIATION Power and energy Irradiance and radiant exposure Angle and intensity Field of view-angle of acceptance Radiance Wavelength issues Absorption, reflection and scattering Measurement instruments and detectors References LASER RADIATION HAZARDS Introduction The human skin The human eye The concept of exposure limits (MPE) Laser-tissue interaction MPE evaluation and measurement concept Injury to the skin Skin MPE values Injury to the eye MPE values for the eye-also relevant to AEL values MPE values in the ultraviolet Retinal MPE values MPE values in the far infrared Multiple wavelength exposures References BEAM PROPAGATION AND EXPOSURE ASSESSMENT Measurement versus calculation Classification apertures Beam profiles Hazard distance Beam reflections Optical viewing instruments Assessment accuracy ADDITIONAL LASER HAZARDS Other hazards of laser operation Additional beam hazards Non-beam hazards ASSESSMENT OF LASER RISK Workplace evaluation Risk assessment PROTECTIVE MEASURES AND SAFETY CONTROLS Introduction to protective control measures Laser controlled areas Engineering control measures Adminsistrative control measures Personal protection Eye protection Working in laser controlled areas Laser servicing THE MANAGEMENT OF LASER SAFETY Health & safety responsibilities The framework policy The role of the laser safety officer Safety training Human factors
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