Published January 1989 by Institute of Physics Publishing .
Written in EnglishRead online
|The Physical Object|
|Number of Pages||136|
Download Hazards of Optical Radiation
This book will help everyone responsible for health and safety at work to minimise optical radiation risks. It reviews the various sources of optical radiation and discusses the associated risks.
Topics covered include biological effects, mechanisms of damage to the eyes and skin and situations where various optical radiation sources are likely to be by: 9. Additional Physical Format: Online version: McKinlay, A.F.
Hazards of optical radiation. Bristol ; Philadelphia: Adam Hilger, © (OCoLC) ISBN: 3 5 3. Division 6. This Reference Book is based on presentations given by health and safety experts at the CIE/ICNIRP/NIST/USACHPPM Symposium on Measurements of Optical Radiation Hazards, held in Gaithersburg, MD, USA, from 1 to 3 September It provides an authoritative overview of the science on optical radiation hazards.
The articles are written by. Methodology for the evaluation of potential optical radiation been developed in response to the increasing use of high radiance optical sources, such as lasers, compact arc lamps.
Methodology for the evaluation of potential optical radiation hazards has been developed in response to the increasing use of high radiance optical sources, such as lasers, compact arc lamps, tungsten-halogen lamps, and electronic flash lamps.
Recent biological investigations of injury from ultraviolet radiation and studies of chorioretinal injury from high radiance sources permit a realistic. 21 rows Many common light sources can produce various damaging health g and. The most important are: The higher the radiation dose, the greater the chance of developing cancer.
The chance of developing cancer, not the seriousness of the cancer, increases as the radiation dose increases. Cancers caused by radiation do not appear until years after the radiation exposure.
A three-year research project of Hazards of Optical Radiation book Federal Institute for Occupational Safety and Health (BAuA) examined possible hazards posed by optical radiation during welding works, corresponding implications in terms of occupational safety according to the Occupational Safety and Health Ordinance on Artificial Optical Radiation (Arbeitsschutzverordnung zu künstlicher optischer Strahlung, OStrV) and.
Optical radiation is another term for light, covering ultraviolet (UV) radiation, visible light, and infrared radiation. The greatest risks to health are probably posed by: UV radiation from the. TY - JOUR. T1 - EVALUATION OF OPTICAL RADIATION HAZARDS.
AU - Sliney, David H. AU - Freasier, Benjamin C. PY - /1. Y1 - /1. N2 - Methodology for the evaluation of potential optical radiation hazards has been developed in response to the increasing use of high radiance optical sources, such as lasers, compact arc lamps, tungsten-halogen lamps, and electronic flash lamps.
Laser Radiation Hazards Hazards associated with Laser systems can be divided into two main categories, beam hazards and non-beam hazards. Beam hazards arise from direct exposure to leaser beams; these are mainly concerned with the impact the beam can have on exposed skin or eyes when not protected properly.
OSHA eTool. Provides a comprehensive hazard assessment, information about selecting protective devices for the workplace, as well as OSHA requirements. Optical Radiation: Laser Protection. Discusses the types of personal protective equipment (PPE) that must be used to protect against laser hazards in the workplace.
Hospital. OSHA eTool. The phototoxicity of medical ultraviolet (UV) sources used in dermatology has long been recognized. Less obvious are potential hazards to the eye and skin from many other optical sources - both to the patient and to the health-care worker. In Germany, the optical radiation output of laser pointers is regulated, with a maximum permissible power level 1 mW; other societies permit higher powers (in the U.S., for example, laser pointer power should be below 5 mW).
(– nm) optical radiation associated with photobiological hazards for argon GTA W arcs, based on the analysis of the radiative transf er process, the calculation of radiative properties and.
Selecting PPE for the Workplace Optical Radiation Laser work and similar operations create intense concentrations of heat, ultraviolet, infrared, and reflected light radiation.
A laser beam, of sufficient power, can produce intensities greater than those experienced when looking directly at the sun. Recent studies of light damage to the retina and studies of the hazards to the eye and skin from laser radiation have permitted the development of occupational exposure limits for optical radiation.
Optical radiation is ubiquitous, and intense artificial sources find many applications in clinical practice, including zone illumination, diagnosis, and therapy. Its effects on humans are strongly wavelength-dependent, its hazards sometimes overlooked due to familiarity or masking by other wavelengths.
This chapter examines non-laser sources of ultraviolet, visible, and infrared radiations. “The risk of ignition due to optical radiation hazards shall always be addressed,” is the expectation from IECEx Decision Sheet (DS /) loud and clear, in black and white.
There is no guessing or interpretation needed. With a new IECEx-certified product, optical radiation. This book is composed of eight chapters and begins with the principles of the absolute measurement of radiant power.
The subsequent chapters provide the criteria associated with reflectance and transmittance of optical radiation and the parameters used to characterize the performance of radiation.
Safety Committee to track the quantity and type of lasers on campus, and allows the Laser Safety Officer to review and assist principal investigators in classifying lasers and determining the controls required for their operation. Each principal investigator who possesses or acquires a laser must complete and return an inventory form to EH&S.
For more information on hazards present from laser overexposure, the table below is split into groups of wavelength along with columns for eye and skin specific hazards.
Spectral Region. Eye. Skin. A study was made of the optical radiation hazards associated with 1 to 5 kilowatt carbon-dioxide (CO2) laser welding and cutting processes. Optical radiation detectors utilized to assess radiant energy levels were briefly described.
Radiation was measured at meter distance from the plume radiation, defined as radiation produced by laser. I have owned this book since The book is an excellent referecne book that details the basic physics as well as characteristics (needed for design)of different types of radiation discussion of theory behind "detectivity",fgigure of merit,speed of response, signal to noise ratio, various sources of noise in semiconductor detectors, etc.
are key items in any s: 1. Optical radiation hazards of laser welding processes. Part 1: Neodymium-YAG laser. Rockwell RJ, Moss CE. High power laser devices are being used for numerous metalworking processes such as welding, cutting and heat treating.
Such laser devices are. Learn about the various sources of optical radiation used in Scottish secondary school science classes.
Learn about the control measures to use in activities involving optical radiation. Why Should You Attend. Many sources of optical radiation have hazards associated with them but by following SSERC guidance, the risks can be made small. Laser Hazard Classification Useful Resources Research studies, along with an understanding of the hazards of sunlight and conventional, man-made light sources have permitted scientists to establish safe exposure limits for nearly all types of laser radiation.
These limits are generally referred to as Maximum Permissible Exposures (MPE's) by laser safety professionals. Abstract. The attendant hazards of laser operations vary greatly depending upon the exact type of laser and its application. The optical radiation hazards also vary greatly, from the small lasers used for alignment and leveling to high-powered pulsed ruby and neodymium lasers used for microdrilling and microwelding systems to still more powerful CO 2 laser systems used for welding and cutting.
hazard. Class 1 lasers are termed “no risk” lasers because they are not capable of emitting hazardous laser radiation levels under any operating or viewing conditions. The exemption from hazard controls strictly applies to the emitted laser radiation hazards and not to other potential hazards.
Optical radiation is part of the electromagnetic is subdivided into ultraviolet radiation (UV), the spectrum of light visible for man (VIS) and infrared radiation (IR).
It ranges between wavelengths of nm to 1 mm. Electromagnetic waves in this range obey the laws of optics – they can be focused and refracted with lenses, for example. The potential hazards to the eye and skin associated with the use of UV-emitting automotive headlamps are considered.
Wide-scale use of high-beam, near-UV headlamps to permit viewing of fluorescence in clothes and fluorescent road markers at great distances can increase automotive safety; however, the potential hazards from exposure of persons to UV radiation must be evaluated.
X radiation from faulty high-voltage (>15kV) power supplies Explosions from faulty optical pumps and lamps Fire hazards Classification of Laser Systems Laser Safety Standards and Hazard Classification Lasers are classified by hazard potential based upon their optical emission. Necessary control measures are determined by.
Sliney D H, Moss C E, Millar C G and Stevens J B Semi-transparent curtains for control of optical radiation hazards Appl. Opt. 20 Crossref PubMed Google Scholar Sliney D H and Wolbarsht M Safety with Lasers and Other Optical Sources (New York: Plenum). Optical Radiation Associated with Photobiological Hazards for Argon GTAW Arcs Fei Wang, Yann Cressault, Philippe Teulet, Huan Li, and Ke Yang Plasma Chemistry and Plasma Processing,Vol Number 4, Page Last summer, Optical Radiation spurned overtures from Benson.
Shares of Optical Radiation rose 75 cents yesterday, to $21, in Nasdaq trading. Benson's stock was unchanged at $ on the American. Optical radiation (other than laser beam hazards) Take precautions to eliminate or reduce optical radiation hazards: Shield ultraviolet radiation emitted from a laser's discharge tubes and pumping lamps (i.e., not part of the primary laser beam).
Functional and design requirements for controlling optical hazards with semi transparent curtains were developed. Characteristics of open arc welding and adverse health effects from intense optical radiation were analyzed.
Design objectives for the curtain were to filter out hazardous ultraviolet (UV) radiation and blue light, to provide sufficient transparency to allow for adequate viewing, and t. A description of hazards common to laser overexposures and laser classification descriptions.
Laser/Radiation Safety Officer Info. Information regarding laser and radiation safety. Military Laser Exemptions. Outline of the military laser exemption process. Related Sites. Recommended web sites related to the subject of laser and optical radiation.
In order to be certified as safety glasses, they must meet the standards of the American National Standards Institute (ANSI). ANSI Z was created to protect eyewear users from hazards such as impact, optical radiation, liquid splash, dust, and fine particles.
This explains the techniques used by the Laser Branch, Laser Microwave Division, US Army Environmental Hygiene Agency, to evaluate non-laser optical sources. The present hazard criteria and spectroradiometric data reduction techniques are presented.
The methods of radiometric measurement are not included. Part 2 Laser Optical Radiation. The biophysically relevant exposure values to optical radiation can be determined with the formulae below. The formulae to be used depend on the wavelength and duration of radiation emitted by the source and the results should be compared with the corresponding exposure limit values indicated in the Tables to Optical Radiation Laser Safety Awareness Course.
This short course provides an introduction to laser safety. It covers the hazards associated with lasers in the workplace, and the steps required to ensure lasers are used safely. No previous experience in laser safety is required. Sun, Sunbeds and Lasers.Nonionzing radiation safety includes lasers, radiofrequency (RF), microwave, and other electromagnetic radiation producing devices that are covered under the U.S.
Food and Drug Administration (FDA). Laser systems that are military exempt or class 3B or 4 must have an Army laser safety program for use and safety.