ILSC 2015 showcases the importance of CLSOs, CMLSOs in protecting workers and patients

By Geoff Giordano

ALBUQUERQUE, N.M. — This morning, the International Laser Safety Conference kicks off with the annual meeting of the ASC Z136, the committee that produces the ANSI Z136 laser safety standards. Later, this evening’s welcome reception will be a relaxed introduction to an intensive, informative week.

Dozens of CLSOs and CMLSOs will be among the attendees at ILSC 2015. Take our CLSO/CMLSO survey to help us create a database documenting the benefits of certification.

It’s been two years since the first ILSC I attended, but the impact of that event has remained quite clear. Unlike the rest of LIA’s events, ILSC isn’t all about the wonderful things today’s lasers can help manufacture. ILSC takes a hard look at the damage done when lasers are handled improperly or used under less-than-perfect conditions.

Yes, ILSC does look ahead to new laser technologies and therapies — for example, the future of semiconductor lasers is the subject of a pair of sessions. But the primary focus is the significant human and monetary cost of laser hazards, and the tireless efforts of the experts gathered here to mitigate those hazards.

Among the experts here are dozens of certified laser safety officers (CLSOs) and medical laser safety officers (CMLSOs) who have gone the extra mile to qualify their credentials through the Board of Laser Safety’s tailored programs. Now more than 10 years old, the CLSO and CMLSO programs have bolstered the credibility of laser safety professionals in a broad range of institutions, from NASA and Boeing to numerous universities, laboratories and health-care facilities.

It’s perhaps not exaggeration to suggest that these certified laser safety professionals have prevented millions of dollars in damages and lawsuits thanks to their commitment to pursue CLSO and CMLSO status. One of the many sessions I’m looking forward to will document the changes in attitude of students following laser safety training, research performed by ILSC General Chair John O’Hagan of Public Health England, his PHE colleague Michael Higlett, and John Tyrer, chair of ILSC’s Laser Safety Scientific Sessions.

The biennial ILSC is always an exciting gathering of the top minds in laser safety — the people who write or enforce the standards that keep thousands of workers, researchers and patients safe. The work presented is testament to the discipline of laser safety. To further that discipline, we are asking our CLSOs and CMLSOs to help us create a database of information that attests to the credibility conferred by their certification. Please spend a few minutes taking our CLSO/CMLSO survey; your answers will help us demonstrate the value of certification to your employers and peers.

We look forward to catching up with old friends and meeting new ones this week. Please stop by the LIA booth for exclusive deals on laser safety publications.

Geoff is LIA’s communications director. To share your stories, tips and suggestions, contact him at ggiordano@lia.org.

greenTEG Launches New Tools for Laser Beam Characterization

greenTEG launched new products at the Laser World of Photonics 2015 in Shanghai, China. greenTEG presented two new products, namely laser power heads for fast measurements and laser power and position sensors for 190 nm – 15 µm. These tools are ideal for diverse applications in laser beam characterization. greenTEG exhibited at the Swiss Pavilion (Booth 3660, Hall N3) together with other Swiss companies active in the photonics industry.

New product line: Fast Laser Power Heads 

The Laser Power Head will enable fast and easy measurements of average laser power. Already today, greenTEG offers laser power sensors, but with the forward integration of the sensors into a power head, measurements and data read-out will be easier. greenTEG’s sensor technology has been specifically tailored to the new product line, allowing laser powers up to 50 Watts to be monitored with a non-accelerated response time of less than 250 milliseconds. The fast response time allows higher productivity and throughput as well as higher measurement frequencies for increased process control.

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Hybrid Femtosecond Laser 3D Microfabrication: Reliable Tool for Fabrication of Functional Biochips

By Koji Sugioka

The rapid development of the femtosecond laser has revolutionized materials processing due to its unique characteristics of ultrashort pulse width and extremely high peak intensity. In particular, the high peak intensity allows nonlinear interactions such as multiphoton absorption and tunneling ionization to be induced in transparent materials, which provides versatility in terms of the materials that can be processed. More interestingly, irradiation with tightly focused femtosecond laser pulses inside transparent materials makes three-dimensional (3D) micro- and nanofabrication available due to efficient confinement of the nonlinear interactions within the focal volume.

Using this feature, subtractive manufacturing based on internal processing can realize the direct fabrication of 3D microfluidics, micromechanics, microelectronics and photonic microcomponents in glass. These microcomponents can be easily integrated in a single glass microchip by a simple procedure using a femtosecond laser to realize more functional microdevices, such as integrated biochips and photonic microdevices. Additive manufacturing based on multiphoton absorption (two-photon polymerization: TPP) enables the fabrication of 3D polymer micro- and nanostructures for photonic devices, micro- and nanomachines, and microfluidic devices, and has applications for biomedical and tissue engineering. Continue reading

Digital Photonic Production – The Future of Laser Applications

By Reinhart Poprawe

One of the main challenges of modern manufacturing is the dilemma between scale and scope, i.e., the ability to produce high volumes at low prices, yet systematically integrating the increasing demand for individuality in the products. As a consequence, concepts for one piece flow at the cost of mass production are developed. Laser based manufacturing systematically resolves this dilemma and provides an extreme degree of flexibility and precision. In principle, parts can be designed totally independent of the manufacturing process, by focusing on the functionality of the part like static and dynamic stability or stiffness. In parallel, economic and ecologic demands such as light weight, deformation behavior by mesh structures and scaffolds or even other functionalities like conductivity can be integrated. Because the production chain leaps directly from the computer into the part and no tools are required, the process is also referred to as “Digital Photonic Production.” Examples of this process are Selective Laser Melting, Laser Metal Deposition and Ablation by ultrafast lasers.  Continue reading

Meet LIA’s New Officers & 2015 Board of Directors

By Paul Hoffmann

LIA’s 2015 President Robert Thomas is an essential figure in research and publication throughout the many facets of the laser industry. He initially earned his B.S. degree in physics from Pittsburg State University in 1989, and worked to receive a Ph.D. in physics from the University of Missouri, Columbia, in 1994. His graduate studies focused on the fields of spectroscopy and numerical simulations for strained-layer semiconductor heterostructures. After obtaining his doctorate, Dr. Thomas joined the Air Force Research Laboratory in San Antonio, TX. Since then, he has established an impressive portfolio of publications covering topics including experimental and theoretical biomedical optics, laser-tissue interactions and laser safety exposure limit definitions. In addition to his memberships in SPIE, the American Physical Society (APS), the Directed Energy Professional Society (DEPS) and the Institute of Electrical and Electronics Engineers (IEEE), Dr. Thomas has used his role as Fellow of LIA to contribute to the development of the ANSI Z136 series of standards. For his efforts, he was appointed as the Chairman of the ASC Z136 in 2010. We wish Robert Thomas success in all of his endeavors as this year’s LIA president! Continue reading