• ILSC 2009 Paper #1204 (Picosecond and Femtosecond Laser Machining May Cause Health Risks Related to Nanoparticle Emission)

    Picosecond and Femtosecond Laser Machining May Cause Health Risks Related to Nanoparticle Emission
    Authors:
    Thomas Puester, Presenter Not Author - Laser Zentrum Hannover e.V.; - Germany
    Juergen Walter, Laser Zentrum Hannover e.V.; Hannover Germany
    Stephan Barcikowski, Laser Zentrum Hannover E.V.; Hannover Germany
    Anne Hahn, Laser Zentrum Hannover E.V.; Hannover Germany
    Juergen Koch, Laser Zentrum Hannover E.V.; Hannover Germany
    Hatim Haloui, Lumera Laser GmbH; Kaiserslautern Germany
    Thomas Herrmann, Lumera Laser Gmbh; Kaiserslautern Germany
    Antonietta Gatti, Universit� Di Modena E Reggio Emilia; Modena Italy
    Pre...

    $28.00

  • ILSC 2009 Paper #1205 (Lasers in Medicine - Rules, Regulations, and Practices in Managing Laser Plume)

    Lasers in Medicine - Rules, Regulations, and Practices in Managing Laser Plume
    Authors:
    Dan Palmerton, Buffalo Filter; Buffalo NY USA
    Joseph Lynch, Buffalo Filter; - NY USA
    Presented at ILSC 2009

    The use of lasers for medical and dental applications has grown significantly over the past two decades. Unfortunately, when any type of thermal or ablative instrument, such as laser energy, is applied to human tissue an unwanted by-product is produced which is commonly known as surgical smoke. Through many educational efforts and a number of published standards, it is well documented that surgical laser plume must be evacuated and filtered to protect healthcare workers and their patients ...

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  • ILSC 2009 Paper #1301 (Calculating the Laser Safety Hazard for Scanning Systems)

    Calculating the Laser Safety Hazard for Scanning Systems
    Authors:
    Clinton T. Meneely, Goodrich Sensor Systems; Burnsville MN USA
    Presented at ILSC 2009

    Recently, many optical systems are employing lasers (indoor and outdoor) to sense objects at considerable ranges over large fields of regard. These can involve powerful wide field-of-view flash LIDAR systems or less powerful, very narrow divergence lasers scanned over the field of regard. Despite the fact that Z136.1 does not directly address scanning laser systems directly (except in a few appendices), there are ways to apply the random periodic exposure standards to various types of scanned systems to determine eye safety and hazard ranges. Th...

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  • ILSC 2009 Paper #1304 (Comparative Evaluation of Ocular Hazards from Projectors-Laser and Lamp Projectors)

    Comparative Evaluation of Ocular Hazards from Projectors-Laser and Lamp Projectors
    Authors:
    Karl Bylund, Microvision; Bothell WA USA
    David H. Sliney, Consulting Physicist; Fallston MD USA
    Michael Beard, Microvision Corporation; Redmond WA USA
    Presented at ILSC 2009

    Projectors of varying technologies have been in use for several decades in home and office environments. These include 35mm slide projectors, overhead projectors, and more recently digital projectors. The trend in digital projectors has been increasing luminance from smaller products. This has been made possible by the advent of new or improved light sources and projection technologies. Results of a com...

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  • ILSC 2009 Paper #1305 (Scanning Audiences at Laser Shows: Theory and Practice)

    Scanning Audiences at Laser Shows: Theory and Practice
    Authors:
    Patrick Murphy, International Laser Display Assn.; Orlando FL USA
    Greg Makhov, Lighting Systems Design Inc.; Orlando FL USA
    Presented at ILSC 2009

    For more than three decades, the technique of "audience scanning" has been routinely used at laser light shows outside of the United States. Visible beams from CW lasers are projected towards viewers, to put them inside cones, fans and other moving light shapes set to music. Most commonly, accessible irradiance levels have not been measured by operators; instead they have been set by eye to look "OK". Since MPE-level irradiance at the audience is somewhat less bright than de...

    $28.00

  • ILSC 2009 Paper #1307 (Assessment of LED's Radiation Safety)

    Assessment of LED's Radiation Safety
    Authors:
    Mou Tongsheng, Optical Engineering Department of Zhejiang University; Hangzhou Peoples Republic of China
    Yu Jiandong, Zhejiang University Sensing Instruments; Hangzhou Peoples Republic of China
    Presented at ILSC 2009

    Recent years, LED technology as well as its applications grow very fast, which deserve more attention to the hazard of LED radiation. The spectral integrated radiances are important parameters in hazard analysis of LED radiation. However, traditional spectral luminance meters are not able to be used to determine spectral integrated radiances in accordance with IEC 62471. Therefore, a novel photobiological safety measurement...

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  • ILSC 2009 Paper #1401 (Alignment Eyewear, the LSO's Role)

    Alignment Eyewear, the LSO's Role
    Authors:
    Ken Barat, Lawrence Berkeley National Lab; Berkeley CA USA
    Presented at ILSC 2009

    There is no direct mention of alignment eyewear in the present Z136.1 Safe Use of Laser-2007 document. The use of alignment eyewear is known by the majority of LSOs for the visualization of visible beams. Especially when one considers the alternative of removing ones eyewear to see the beam. Remote viewing is the superior and safer alternative, but is still not as common as lifting ones eyewear to see the beam. The point of this presentation is by allowing the use of alignment eyewer the LSO is allowing the user to use personnel protective equipment (PPE) that does not lo...

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  • ILSC 2009 Paper #1404 (A Collection of Distinct and Noteworthy Control Measures)

    A Collection of Distinct and Noteworthy Control Measures
    Authors:
    Candace Soles, Coherent, Inc.; Santa Clara CA USA
    Cathi Scogin, Sperian Protection; Pleasanton CA USA
    Presented at ILSC 2009

    When it comes to laser safety, it is often advantageous to think outside the box for maximum impact to laser users and non-laser users. The standard regulations, such as ANSI, OSHA, and IEC, give fine examples of control measures, but they might not always be the best fit for the situation. As lasers gain in popularity because of their increasing sophistication and/or because of their affordability, Laser Safety Officers, out of necessity, are prompted to be creative when implementing control...

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  • ILSC 2009 Paper #1405 (Laser on Time As Safety or Only a Part of Safety?)

    Laser on Time As Safety or Only a Part of Safety?
    Authors:
    Erwin Heberer, -; Heusenstamm Germany
    Presented at ILSC 2009

    More and more speak of the Risk analyses for the laser plant from the laser on Time as the optimal solution for the judgment of the endurance of Laser guard with high power laser.

    The Laser on Time alone is not sufficient s only then one in addition to security component although the interior is controlled so that possible damages of the wall or other components during the duration of one 8 hour shift (DIN/EN of 60825-4 annex B) are captured.

    It can result in a production shift through the reflection inessential damages which ones do not fail immediately to the total one...

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  • ILSC 2009 Paper #1406 (Matilda: A Joint UK/US Military Laser Range Clearance Utility Based on Probabilistic Hazard Assessment Techniques)

    Matilda: A Joint UK/US Military Laser Range Clearance Utility Based on Probabilistic Hazard Assessment Techniques
    Authors:
    Brian Flemming, Selex Galileo; Edinburgh Great Britain
    Presented at ILSC 2009

    The MATILDA utility is a joint venture between the United States Air Force (USAF) and the United Kingdom Ministry of Defence (UK MOD). Its purpose is to provide a means of assessing laser irradiation risks to unprotected persons from military laser training operations in uncontrolled outdoor environments, and is based on the UK probabilistic laser hazard assessment technique. It is intended that this new common facility will become a standard tool for undertaking laser hazard assessments for mil...

    $28.00

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