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2013 Arthur L. Schawlow Award Winner - Ursula Keller

Orlando, FL (PRWEB) September 27, 2013

Prof. Dr. Ursula Keller, a pioneer in ultrafast laser research, is the first female recipient of the Laser Institute of America’s Arthur L. Schawlow Award.

Keller will receive her honor during the awards luncheon at LIA’s 32nd-annual International Congress on Applications of Lasers & Electro-Optics (ICALEO®) which will be held Oct. 6-10 at the Hyatt Regency® Miami Hotel.

“My fundamental mission is to explore and push the frontiers in ultrafast science and technology, using interdisciplinary understanding of the physics of lasers, semiconductors, and measurement technologies,” Keller says of her current work. “One of my current focus areas is high average power ultrafast lasers, where we push the performance frontier with SESAM mode-locked thin-disk lasers into the multi-100 W average output power regime. We have pushed pulse energy and the average power of ultrafast laser oscillators by four orders of magnitude from typically 1 nJ to >10 µJ and from ˜100 mW to >270 W directly from laser oscillators without additional amplifiers.”

Another focus of her efforts is on novel ultrafast semiconductor lasers, working toward more compact and less-expensive ultrafast devices. “We made fast progress in output power and pulse duration after the first demonstration of passively mode-locked external cavity surface emitting lasers (VECSELs) in collaboration with Prof. Anne C. Tropper in 2000. A more recent highlight is a femtosecond VECSEL with more than 1 W average output power.”

A professor of physics at ETH since 1993, Keller leads the Ultrafast Laser Physics group and has been a director of the Swiss multi-institute NCCR MUST program in ultrafast science since 2010.

Born 1959 in Zug, Switzerland, she received a physics degree from ETH Zurich in 1984 and her doctorate in applied physics from Stanford University in 1989. She was a Member of Technical Staff at AT&T Bell Laboratories in NJ from 1989 to 1993. She was a Visiting Miller Professor at UC Berkeley in 2006 and a visiting professor at the Lund Institute of Technologies in 2001.

Keller’s passion for lasers, their value and their future, is a key reason LIA is honoring her with the Schawlow Award.

“Lasers will move deeper and deeper into every computer platform, with optical clocks, interconnects and cables,” she asserts. “As has been pointed out many times before, photons are ideal for communication and electrons for switching. So there will be closer and stronger integration of both elements in future technology. Laser micromachining will become more important, and the progress in high average power ultrafast lasers will allow for many new material processing capabilities. Lasers are an ideal technology platform that enable truly multi-disciplinary research and applications ranging from engineering to life sciences. What other technology can offer so much variety?”

She is also excited to serve as a role model for young women who might wish to join the laser industry.

“Laser science and technology is traditionally a very male-dominated field, probably because it comes from electrical engineering and physics,” she explains. “I hope we can attract more women into these areas in the near future because we cannot afford to keep losing half of our young talent pool. I always loved lasers, and I very much have enjoyed building and improving them for many years. As a community, we need to make a stronger effort to create a working environment where women feel welcome, can integrate, become motivated and can be empowered.”

LIA, the trusted and respected advocate of cutting-edge applications of laser technology since 1968, first presented the award in 1982 to Schawlow, who won the Nobel Prize in physics in 1981. The honor recognizes individuals who have made distinguished contributions to applications of lasers in science, industry or education. For more information about ICALEO or to register, visit

About LIA

Laser Institute of America (LIA) is the professional society for laser applications and safety serving the industrial, educational, medical, research and government communities throughout the world since 1968., 13501 Ingenuity Drive, Ste 128, Orlando, FL 32826, +1.407.380.1553.

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