2010
WOMEN OF COLOR AWARD WINNERS
] Kueichien Hill, Ph.D. [
Systems Technology Prediction Technology Lead U.S. Air Force Research Laboratory
K
ueichien Hill, Ph.D., has revolutionized computational electromagnetic computer codes, making them every- day tools for engineers working in multimillion dollar programs such as the Joint Strike Fighter. An expert in elec- tromagnetic wave research — one of the most demanding and mathematically intense branches of electrical engineer- ing — she specializes in CEM modeling and determining the best ways to use high performance supercomputing to solve nationally important problems.
Shortly after the Columbia shuttle disaster, she worked on measuring and modeling the radar signature of debris in order to identify a mysterious piece that separated from Co- lumbia on orbit. The so-called “flight day 2” object was later identified and the findings were one of the seven root causes for the accident. Working with radar research at the AFRL and experts from the Army Research Lab, Dr. Hill modeled the shuttle with over two million facets, creating the most accurate fly-out simulation ever constructed. She was widely recognized by NASA and the Air Force for her efforts.
Dr. Hill has also contributed to a national study on the effect of wind turbine rotation on ground-based radar interference. Working with another independent measurement team, she used her CEM tools to predict the scattering from wind tur- bines, thus helping to answer important questions on wind turbine siting and permits.
Dr. Hill is one of the architects of the Computational Research and Engineering Acquisition Tools and Environments pro- gram. The $360 million program, started in 2007, will pro- vide both the government and industry computation tools necessary to improve upon current acquisition strategy for future weapons systems. She has published over 50 articles in professional journals, conference and technical reports detail- ing her research and development of CEM design tools. Dr. Hill was selected as an AFRL Fellow in 2002.
50 WOMENOFCOLOR | FALL 2010
reviously, a single company in Japan was the only source for laser quality ceramics. By the end of 2006, South Korean-born Jean Imholt had achieved the same status for Raytheon and the United States — providing U.S. defense and industry an onshore source for this strategically important material that is used for infrared window and high energy laser weapons.
P
Under the Directed Energy Weapon Initiative, the U.S. gov- ernment was seeking a domestic source of large and higher performance, laser-quality ceramics to produce 100kW of output power. Using a sound scientific approach and a multitude of characterization and analysis equipment, Ms. Imholt’s leadership on the ceramic yttrium aluminum garnet program (sponsored by the Department of Defense High Energy Laser Joint Technology Office) was exceptional. She accomplished in three years what had traditionally required more than a decade to achieve. Recently, Raytheon won a contract to develop next generation weapon-grade lasers and ceramics.
Building upon this success, she authored several proposals to the Joint Technology Office and the Air Force Research Lab for continuing development of ceramic YAG lasers, securing follow-on contracts worth $2.5 million to date. Ms. Imholt’s publication record has also benefited the greater scientific community too. She has published over 20 articles in peer-reviewed journals and conference proceedings. Given the competitive global environment, researchers with the vision to see the commercial relevance of new technology and mentoring new scientists and engineers are critical. Ms. Imholt supports Raytheon’s science, technology, engineering, and MathMovesU activities. She has mentored high school students and taught fun after-school classes on nanotechnol- ogy in the University of Massachusetts Lowell-NSF Science of Small Things program.
www.womenofcolor.net
] Jean Imholt [
Principal Multi-Disciplined Engineer Raytheon Company
TECHNICAL INNOVATION
TECHNICAL INNOVATION
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