• ILSC 2011 Paper #1002 (Assessing the Safety of Entertainment Lighting)

    Assessing the Safety of Entertainment Lighting
    Authors:
    John O'Hagan, Health Protection Agency; Oxfordshire Great Britain
    Marina Khazova, Health Protection Agency; Didcot Great Britain
    Ron Bonner, Professional Lighting and Sound Association; Eastbourne Great Britain
    Presented at ILSC 2011

    The introduction of legislation in Europe covering worker exposure to optical radiation has presented challenges for the entertainment industry. This was highlighted following an injury to a member of staff working in front of a spotlight. Assessments were carried out on a range of lighting systems used in the entertainment industry to identify the key issues and to determine simple a...

    $28.00

  • ILSC 2011 Paper #1003 (Remote Viewing No Longer a Nice to Do)

    Remote Viewing No Longer a Nice to Do
    Authors:
    Ken Barat, Lawrence Berkeley National Laboratory; Berkeley CA USA
    Presented at ILSC 2011

    The option of remote viewing has long been in the Laser Safety arsenal, but its application has been rather spotty. By remote viewing I mean being able to observe beam placement and interaction from a location other than bending over the optical table. Today the availability and cost of cameras to perform this task has greatly improved. Costs have gone down, and well as the size of cameras. These cameras are ideally situated for the viewing of near infrared and visible wavelengths. Leading this use of remote viewing has not been the LSO or even laser safety fir...

    $28.00

  • ILSC 2011 Paper #101 (Orientation Guide for Laser Safety Standard Users)

    Orientation Guide for Laser Safety Standard Users
    Authors:
    Werner Horak, Siemens AG; Munich Germany
    Ronald Neuhaus, Siemens AG; Munich Germany
    Presented at ILSC 2011

    The task of extracting the appropriate assessment conditions for classification can be rather challenging. The safety philosophies of the different laser classes are dedicated to address several worst case use conditions. Virtually, there are up to seven laser classes available. Four of them, where the safety philosophy comprises optically aided viewing, would even require two different assessment conditions (conditions 1 and 2 in terms of IEC 60825-1). At which condition 1 is intended to situations where telescopes et...

    $28.00

  • ILSC 2011 Paper #102 (IEC TR 60825-5 Ed. 3.0 Manufacturer's Checklist - A Guide for Manufacturers Documenting Compliance with IEC 60825-1:2007 Compliance)

    IEC TR 60825-5 Ed. 3.0 Manufacturer’s Checklist – A Guide for Manufacturers Documenting Compliance with IEC 60825-1:2007 Compliance
    Authors:
    Woody Strzelecki, Food and Drug Administration; Silver Spring MD USA
    Presented at ILSC 2011

    A release of IEC 60825-1:2007 necessitated to upgrade IEC TR 60825-5:2003. The new edition of the Technical Report reflects modification of the new standard relative to IEC60825-1:2001 such as the removal of LEDs from the scope of the standard for most products, modification of the definition of the apparent source size, fail safe and fail safe safety interlock definitions, human access, most restrictive position, manual reset, beam stop and attenuator, walk-in ...

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  • ILSC 2011 Paper #103 (The Widely Varying Risk from Class 3R Laser Products in Light of the Revision of IEC 60825-1)

    The Widely Varying Risk from Class 3R Laser Products in Light of the Revision of IEC 60825-1
    Authors:
    Karl Schulmeister, Seibersdorf Laboratories; Seibersdorf Austria
    Presented at ILSC 2011

    The current state of the characterisation of the risk from Class 2 and Class 3R laser products is discussed. We distinguish exposure to cw lasers from pulsed lasers, and we also distinguish between classification as small source (C-sub6 equal to 1) or classification as extended source. Due to the dependence of the damage threshold on exposure duration, Class 2 exposure does not appear to be able to induce retinal injury by thermal pathway even for exposure durations of several seconds. Class 2 can therefor...

    $28.00

  • ILSC 2011 Paper #1102 (Assessing Audience Exposure at Laser Shows)

    Assessing Audience Exposure at Laser Shows
    Authors:
    Michael Higlett, Health Protection Agency; Didcot Great Britain
    John O'Hagan, Health Protection Agency; Didcot Great Britain
    Presented at ILSC 2011

    Lasers have been used in live entertainment since the 1970s. A high power laser beam is required to form visual effects of large image patterns generated by moving the laser beam by computer-controlled galvanometers. Many laser companies promote audience scanning. However, some patterns require the same location to be repeatedly scanned, which may lead to the potential for injury, particularly to the eye, where a person receives a burst of laser pulses as the pattern passes across the ...

    $28.00

  • ILSC 2011 Paper #1104 (MATILDA: A Laser Range Hazard Assessment Utility)

    MATILDA: A Laser Range Hazard Assessment Utility
    Authors:
    Brian Flemming, SELEX Galileo Ltd; Edinburgh Great Britain
    Daniel Huantes, TASC, Inc.; San Antonio USA
    Paul Kennedy, US Air Force Research Lab; Brooks City-Base TX USA
    Presented at ILSC 2011

    A jointly-owned utility the Military Advanced Technology Integrated Laser Hazard Assessment (MATILDA) system is being developed under the auspices of a Memorandum of Understanding between the US and the UK. This paper provides an update on progress in developing the MATILDA utility.
    The United Kingdom Ministry of Defence has had long experience in developing and applying probabilistic risk assessment (PRA) methods ...

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  • ILSC 2011 Paper #1201 (Blue Light Hazard Evaluation Based On The Luminance Of Light Sources)

    Blue Light Hazard Evaluation Based On The Luminance Of Light Sources
    Authors:
    Jian Zheng, Zhejiang University; Hangzhou Peoples Republic of China
    Junkai Li, SENSING Instruments Co., Ltd; Hangzhou Peoples Republic of China
    Mou Tongsheng, Zhejiang University; Hangzhou Peoples Republic of China
    Presented at ILSC 2011

    Blue Light takes various effects in the human vision. Several physical parameters, as luminance, chromaticity, circadian radiance and weighted radiance of retinal photochemical damage could be quantitative. In the safety standard IEC62471, the threshold of the retinal blue light hazard and the assessment methods of the weighted radiance were specified, but it...

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  • ILSC 2011 Paper #1203 (Expected Changes for the Retinal Thermal Exposure Limits for Broadband Incoherent Radiation of IEC 62471 and ICNIRP)

    Expected Changes for the Retinal Thermal Exposure Limits for Broadband Incoherent Radiation of IEC 62471 and ICNIRP
    Authors:
    Karl Schulmeister, Seibersdorf Laboratories; Seibersdorf Austria
    Presented at ILSC 2011

    Broadband Radiation Session Please!

    Based on recent research, the exposure limit for retinal thermal injury can be updated in terms of wavelength dependence, spot size dependence and basic time dependence. The update is to be published by ICNIRP, the International Commission on Non-Ionizing radiation protection in 2011. In parallel, IEC 62471 and CIE S009 are to adopt their emission limits accordingly.

    $28.00

  • ILSC 2011 Paper #1204 (The Standardization and Regulation of Photobiological Safety for Non-Laser Sources in China)

    The Standardization and Regulation of Photobiological Safety for Non-Laser Sources in China
    Authors:
    Jianping Wang, SENSING Instruments Co., Ltd; Hangzhou Peoples Republic of China
    Junkai Li, SENSING Instruments Co., Ltd; Hangzhou Peoples Republic of China
    Mou Tongsheng, Zhejiang University; Hangzhou Peoples Republic of China
    Presented at ILSC 2011

    The industries of new sources e.g. LED lighting are developing rapidly in recent years in China, photobiological safety of the non-laser radiation light sources has been paid more and more attentions; The issuance of IEC Standards and the European Council Regulations related to photobiological safety has greatly accelerated ...

    $28.00

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