ILSC 2007 Paper #1101 (Recent Laser Accidents at Department of Energy Laboratories)
Recent Laser Accidents at Department of Energy Laboratories
Authors:
Connon Odom, Los Alamos National Laboratory; Los Alamos NM USA
Presented at ILSC 2007
Recent laser accidents at research laboratories across the Department of Energy complex are reviewed in this paper. Factors that contributed to the accidents are examined. Conclusions drawn from the accident reports are summarized and compared. Control measures that could have been implemented to prevent the accidents will be summarized and compared. Recommendations for improving laser safety programs are made.$28.00
ILSC 2007 Paper #1201 (An Approach to High Energy Laser Safety in Open Environments)
An Approach to High Energy Laser Safety in Open Environments
Authors:
Daniel Huantes, Northrop Grumman Corporation; San Antonio TX USA
Kenneth Keppler, Northrop Grumman Corporation; San Antonio TX USA
Robert Gallaway, Northrop Grumman Corporation; San Antonio TX USA
Albert Bailey, Northrop Grumman Corporation; San Antonio TX USA
Justin Zohner, United States Air Force; Brooks City-Base TX USA
Edward Early, Northrop Grumman Corporation; San Antonio TX USA
Paul Kennedy, United States Air Force; Brooks City-Base TX USA
Robert Thomas, United States Air Force; Brooks City-Base TX USA
Presented at ILSC 2007
High...$28.00
ILSC 2007 Paper #1203 (Laser Processing Safety - Essence of Safety Requirements for Laser Processing, Worldwide and Recent Technology Challenges to Control Measures)
Laser Processing Safety - Essence of Safety Requirements for Laser Processing, Worldwide and Recent Technology Challenges to Control Measures
Authors:
Thomas Lieb, L*A*I International; Elk Grove CA USA
Presented at ILSC 2007
Historically, CO2 and Nd:YAG lasers and workstations have predominated in our concepts of "high powered lasers". During the last few decades, safety control measures and guidelines have been developed, and the properties of the more prominent laser technologies were, naturally, used as the foundation. From laser bio-effects statements to complete vertical standards for laser processing machines, certain assumptions were made about modal properties and focus ability, and t...$28.00
ILSC 2007 Paper #1204 (Unattended Laser Operation in R&D)
Unattended Laser Operation in R&D
Authors:
Ken Barat, Lawrence Berkeley National Lab; Berkeley CA USA
Presented at ILSC 2007
The ANSI Z136.1.2000 standard section 4.1.1.3 Unattended Laser Operation is a section that is made up of 5 paragraphs, which address unattended laser operations of different laser hazard classifications. Of particular interest to this laser safety officer is unattended laser operation of class 3B and class 4 laser systems. The existing standard calls for the use of the standard ANSI Z535.1 Danger sign with appropriate instructions regarding the hazards of entry into the space when no operator is present. The goal of this presentation is to present this is a common scenari...$28.00
ILSC 2007 Paper #1301 (The Manufacturer's Role in Laser Safety)
The Manufacturer's Role in Laser Safety
Authors:
Candace Soles, Coherent, Inc.; San Jose CA USA
Ken Barat, Lawrence Berkeley National Lab; Berkeley CA USA
Presented at ILSC 2007
The laser manufacturer, as the laser industry leader, has a dual role in promoting and assuring laser safety. The first role, and regulatory mandate, is to manufacturer a safe laser product -- one that is compliant with national and international product safety regulations; however, to promote laser safety the manufacturer may need to do more than produce a safe product. Presenting a positive laser safety message to their customers is their second role and equally as important as manufacturing a safe lase...$28.00
ILSC 2007 Paper #1302 (Laser Protocols)
Laser Protocols
Authors:
Ken Barat, Lawrence Berkeley National Lab; Berkeley CA USA
Presented at ILSC 2007
The ANSI Z136.1 has several sections were the authority of the laser safety officer to alter or adapt the standard's control measures to their particular laser applications is outlined. Recognizing that ANSI Z136.1 is a horizontal standard and is a user guidance document; and as part of an on going philosophy of information to laser users the laser safety program at Lawrence Berkeley National Laboratory has developed a number of laser protocols, or codes of conduct. Each protocol outlines an evaluation of a section of the present ANSI Z136.2000 that are not completely compatible with a res...$28.00
ILSC 2007 Paper #1305 (Off the Wall State Laser Regulation and Other Observations)
Off the Wall State Laser Regulation and Other Observations
Authors:
David Ermer, JHU/APL; Laurel MD USA
Presented at ILSC 2007$28.00
ILSC 2007 Paper #1306 (A New Publication of the German Accident Insurance for the Safe Use of Lasers in Biomedical Applications)
A New Publication of the German Accident Insurance for the Safe Use of Lasers in Biomedical Applications
Authors:
Wolfgang Wöllmer, University Medical Center Hamburg-Eppendorf; Hamburg Germany
Martin Brose, Berufsgenossenschaft der Feinmechanik und Elektrotechnik; Köln Germany
Presented at ILSC 2007
Over the years many efforts and discussions have been spent on the development of the technical report IEC 60825-8, Guidelines for the safe use of medical laser equipment , the second edition being part of present committee work. This report is a collection of safety rules based on experiences with laser applications, in order to help to prevent unsafe conditions, which could ...$28.00
ILSC 2007 Paper #1401 (Nanoparticles - Potential Risk during Pulsed Laser Ablation)
Nanoparticles - Potential Risk during Pulsed Laser Ablation
Authors:
Anne Hahn, Laser Zentrum Hannover; Hannover Germany
Andreas Ostendorf, Laser Zentrum Hannover e.V.; Hannover Germany
Stephan Barcikowski, Laser Zentrum Hannover e.V.; Hannover Germany
Presented at ILSC 2007
Nanoparticles are generated as by-products during laser ablation. The size distribution of particlulate emission depends strongly on the applied laser pulse duration. The number frequency of nanoparticles may increase up to 99% with shorter pulse length. In order to provide safety-related statements on nanoparticles generated during laser materials processing, the particle size distribution during ...$28.00
ILSC 2007 Paper #1402 (Laser Hazards from Pulsed Lasers)
Laser Hazards from Pulsed Lasers
Authors:
Wesley Marshall, US Army CHPPM; APG MD USA
Presented at ILSC 2007
Determining the correct maximum permissible exposure (MPE) when a laser is pulsed becomes complex when the laser output beam consists not of regularly spaced pulses of short duration (tens of nanoseconds) and a moderate pulse repetition frequency (PRF), but instead consists of pulse groups that contain several short pulses of a few nanoseconds, or even shorter duration, inside of a macro-pulse that could last for tens of microseconds or even milliseconds. The structures of pulse trains are becoming ever more complicated in that groups of macro-pulses are sometimes repeated at a periodic ...$28.00
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