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Topic: Laser safety

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	laservision Laser Safety Glasses, Goggles, Windows, Barriers, Publications, and Training.
		Laser safety glasses, goggles, face shields and patient protection.
		Our laser safety windows and sheets come in a variety of materials and sizes.
		ANSI and CE are the primary standard for laser safety...
	www.lasersafety.com (130 words)

	Laser safety - Wikipedia, the free encyclopedia
		A person exposed to, in particular invisible laser radiation, may be unaware that damage is occurring because the cornea, lens and retina of the eye do not possess pain sensory nerves.
		Whereas, exposure to laser radiation with wavelengths less then 400 nm and greater then 1400 nm are largely absorbed by the cornea and lens, leading to the development of eye cataracts or burn injuries [1].
		The revision was based on the greater knowledge of lasers that had accumulated since the original classification system was devised, and was intended to permit certain types of lasers to be recognized as having a lower hazard than was implied by their placement in the original classification system.
	en.wikipedia.org /wiki/Laser_safety (3110 words)

	Laser Safety and the Eye (Site not responding. Last check: 2007-10-12)
		As laser retinal burns may be painless and the damaging beam sometimes invisible, maximal care should be taken to provide protection for all persons in the laser suite including the patient, laser operator, assistants, and observers.
		Laser safety eyewear (LSE) is designed to reduce the amount of incident light of specific wavelength(s) to safe levels, while transmitting sufficient light for good vision.
		Exposure to a visible laser beam can be detected by a bright color flash of the emitted wavelength and an after-image of its complementary color (e.g., a green 532 nm laser light would produce a green flash followed by a red after-image).
	www.derm.ubc.ca /laser/eyesafety.html (1381 words)

	Laser Safety (Site not responding. Last check: 2007-10-12)
		Class 4 lasers shall be operated in a controlled area, where all entryway safety controls shall be designed to allow both rapid egress by laser personal at all times and admittance to the laser controlled area under emergency conditions.
		Laser protective eyewear is usually not required for Class 2 and Class 3a lasers or laser systems except in conditions where intentional long-term (>0.25 seconds) direct viewing is required.
		A laser safety officer (LSO) shall have the responsibility and authority to monitor and enforce the control of laser hazards and effect the knowledgeable evaluation and control of laser hazards.
	campus.umr.edu /ehs/Radiological_Information/Laser_Safety.html (2705 words)

	Laser Safety Solutions - Laser Safety Help - Laser Safety Equipment
		Lasermet are world leaders in laser safety having in excess of 100 years of collective experience (see laser safety consultants) and 17 years experience as a company working with clients to resolve their laser safety issues as quickly and painlessly as possible.
		We believe that for most of our clients laser safety is something which gets in the way of their primary function, whether that be manufacturing a product, performing life saving surgery or undertaking ground breaking research..
		Our purpose, therefore, is to help our customers deal with all their laser safety issues as quickly and efficiently as possible, and to enable them to continue with their primary function with the minimum of disruption, whilst at the same time ensuring that the highest levels of safety are maintained.
	www.lasermet.com (528 words)

	Laser Eye Safety, Laser Eye Safety Articles, Laser Safety Information
		As laser retinal burns may be painless and the damaging beam sometimes invisible, maximal care should be taken to provide protection for all persons in the laser suite including the patient, laser operator, assistants, and observers.
		Laser safety eyewear (LSE) is designed to reduce the amount of incident light of specific wavelength(s) to safe levels, while transmitting sufficient light for good vision.
		In accordance with the ANSI Z136.3 (1988) guidelines, each laser requires a specific type of protective eyewear, and factors that must be considered when selecting LSE include: laser wavelength and peak irradiance, optical density (OD), visual transmittance, field of view, effects on color vision, absence of irreversible bleaching of the filter, comfort, and impact resistance.
	www.eyesafety.4ursafety.com /laser-eye-safety.html (2086 words)

	LaserInstitute.org - Laser Pointer Safety
		The difference is laser light from pointers poses a much greater risk to the eye than the relatively primitive method used by children in days past.
		Laser experts agree that laser pointers should not be used to pull pranks.
		Safety professionals are especially concerned about secondary effects, those experienced during critical activities such as driving down a busy highway.
	www.laserinstitute.org /publications/safety_bulletin/laser_pointer (1072 words)

	Laser Institute of America
		The Laser Institute of America (LIA) is the international society for laser applications and safety.
		Fulfilling our mission of fostering lasers, laser applications, and laser safety worldwide, LIA is the secretariat and publisher of the American National Standards Institute (ANSI) Z136 series of laser safety standards.
		The ANSI Z136 series is recognized by OSHA, and are the authoritative series of laser safety documents in the United States.
	www.laserinstitute.org (489 words)

	Laser Safety Solutions - Laser Safety Standards. Equipment Classification, Laser Safety Documents
		These standards are the definitive guides on laser safety in Europe and beyond and as such are essential reference material for Laser Safety Officers and laser product designers.
		This is the fundamental laser safety document* to which all other laser safety documents* refer.
		To be used in conjunction with IEC 60825-1 this standard defines the laser safety requirements for manufacturers and users of fibre optic communication systems.
	www.lasersafety.co.uk /laser_standards.htm (600 words)

	ePanorama
		Safety instructions for lasers: Laser beams may damage the eyes severely or may cause blindness if they radiate into the eyes directly or indirectly.Therefore the laser electronics must be installed in such a manner thatradiation into the eyes will be impossible neither directly nor indirectlyvia mirrows in the room.
		Heath risk from the use of laser pointers - Laser pointers - the hand-held, pen-like devices that project a beam of laser light - are rapidly replacing the traditional wooden pointers used by lecturers during presentations.
		Laser display - The idea is to have an array of 16 laser beams pointed towards a two-sided mirror strip (salvaged from a handheld scanner head), rotating along its long axis.
	www.epanorama.net /links/laser.html (2645 words)

	Laser Safety Fact Sheet
		Lasers are classified to describe the capabilities of a laser system to produce injury to personnel.
		Some examples of Class IIIa laser uses are the same as Class II lasers with the most popular uses being laser pointers and laser scanners.
		The direct beam and diffuse reflections from Class IV lasers are hazardous to the eyes and skin.
	ehs.uky.edu /radiation/laser_fs.html (666 words)

	Laser Safety Links (Site not responding. Last check: 2007-10-12)
		Alerts OSHA field compliance and consultation personnel to the importance of careful evaluation of laser systems, the environment in which the laser is used, and the possible exposure of workers to laser radiation.
		Describes lasers as a potential hazard in the hospital environment and identifies areas to investigate.
		Laser Safety and the Eye: Hidden Hazards and Practical Pearls.
	www2.umdnj.edu /eohssweb/publications/laserlinks.htm (859 words)

	Sam's Laser FAQ - Laser Safety (Site not responding. Last check: 2007-10-12)
		Laser pointer manufacturers and resellers make all sorts of claims about power levels and there may be deliberate (power is, after all, a major feature) or unintended (due to poor quality control) sale of devices with power even beyond the approved safety limits and these could indeed be much more dangerous.
		These lasers MUST have a key switch to prevent unauthorized use, a laser emission indicator, a 3 to 5 second time delay after power is applied to allow the operator to move away from the beam path, and a mechanical shutter to turn the beam off during use.
		All this means is that since the laser was mounted inside another piece of equipment and would not normally be exposed except during servicing, it does not meet all the safety requirements for a laser of its CDRH classification such as electrical interlocks, turn-on delay, or beam shutter.
	repairfaq.ece.drexel.edu /sam/lasersaf.htm#safyor0 (18517 words)

	Elements of Laser Safety
		Laser light is monochromatic, meaning that it is all of one wavelength.
		Laser beams tend to be small in diameter, often 1 mm or less.
		UV lasers thus are not retinal hazards, although they can be hazardous to the eye in other ways.
	gary.myers.net /elements.htm (1092 words)

	Laser Safety Solutions - Laser Safety Solutions - Laser Safety Installations
		This ranges from a simple installation of a laser blocking curtain, right up to installing complex multi-function interlocking systems and assembly of room size laser enclosures.
		All of our installers are qualified electricians with extensive experience in laser safety installations and a multitude of practical skills which are essential for providing a high quality installation.
		This means that our installers are highly experienced with our laser safety equipment and are committed to achieving a top quality result.
	www.lasersafety.co.uk /installations.htm (178 words)

	Rockwell Laser Industries: Safety Recommendations of Laser Pointers
		The use of laser diode pointers that operate in the visible radiation region (400 to 760 nanometers [nm]) is becoming widespread.
		The potential for hazard with laser pointers is generally considered to be limited to the unprotected eyes of individuals who might be exposed by a direct beam (intrabeam viewing).
		Another diode-pumped frequency-doubled Nd:YAG laser operating at 532 nm is imported from China and emits 5 mW in a CW beam as detailed in the data given in Appendix A. The pointer has no labeling and unscrewing the front end cap removes the 1064 nm blocking filter.
	www.rli.com /resources/pointer.asp (4230 words)

	Safety and Health Topics: Laser Hazards
		LASER is an acronym which stands for Light Amplification by Stimulated Emission of Radiation.
		The laser produces an intense, highly directional beam of light.
		The human body is vulnerable to the output of certain lasers, and under certain circumstances, exposure can result in damage to the eye and skin.
	www.osha.gov /SLTC/laserhazards (203 words)

	Basic Laser Safety - Introduction - www.LaserFX.com
		Observation of basic laser safety rules and the specific safety regulations of the jurisdiction in which you operate are essential.
		Lasers are a more directional light source than any other common fixture such as stage lights or a follow-spot.
		This is because the classification of lasers and labels/signage varies by jurisdiction.
	www.laserfx.com /BasicSafety/IndexBasicSafety.html (406 words)

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