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Markus Raschke Elected Fellow of the American Association for the Advancement of Science

Markus Raschke has been elected a Fellow of the American Association for the Advancement of Science (AAAS), according to an AAAS news release published on the web on November 21, 2016. Former JILAn Steven Cundiff was also elected a Fellow of the AAAS this year.

The new Fellows are among the 391 AAAS members elected Fellows by their peers. The honor recognizes distinguished efforts to advance science, either scientifically or socially. The new 391 Fellows elected in October 2016 were recognized for their contributions to innovation, education, and scientific leadership.

They will be honored at a ceremony on Feb. 18, 2017, at the AAAS Annual Meeting in Boston, where they will be presented a rosette pin. The pin’s gold and blue colors signify science and engineering, respectively.

The tradition of electing AAAS Fellows began in 1874 to recognize members for their scientifically or socially distinguished efforts to advance science or its applications.

Christina Porter Wins 2017 Karel Urbanek Best Student Paper Award at SPIE Conference

Christina Porter has won the 2017 Karel Urbanek Best Student Paper Award. The award consists of a wall plaque, honorarium, and trophy. The award was presented  on Thursday March 2, 2017, at this year’s Metrology, Inspection, and Process Control for Microlithography conference at the SPIE Advanced LIthography in San Jose, California. The award is sponsored by KLA-Tencor.

Porter’s paper was entitled “Sub-wavelength transmission and reflection-mode tabletop imaging with 13-nm illumination via ptychography CDI.” The paper was judged along with Porter’s oral presentation to earn her the prestigious award. Porter was co-first author with Michael Tanksalvala on the winning paper. Additional authors included Dennis F. Gardner, Michael Gerrity, Giulia F. Mancini, Xiaoshi Zhang, Galen P. Miley, Elisabeth R. Shanblatt, Benjamin R. Galloway, Charles S. Bevis, Robert Karl, Jr., Daniel A. Adams, Henry C. Kapteyn, and Margaret M. Murnane.

The Karel Urbanek Best Student Paper award recognizes the most promising contribution to the field by a student. The award is based on the technical merit and persuasiveness of the paper presented at the conference.

Manipulating nature with X-ray lasers is topic of Oct. 18 lecture

Ever since the invention of the laser more than 50 years ago, scientists have been striving to create an X-ray version. But until recently, very high power levels were needed to make an X-ray laser. Making a practical, tabletop-scale X-ray laser source required taking a new approach, as will be described by physicist Margaret Murnane in this fall’s Hans Bethe Lecture.

STROBE Tutorial: Fundamentals of Algorithms for Computational Imaging

Dr. Emrah Bostan presents a tutorial on the Fundamentals of Algorithms for Computational Imaging. In this talk, we consider practical algorithms for inverse problems in imaging. Adopting a suitable language, the concept is to “invert” the data acquisition process that relates an unknown image to observable measurements. By doing so, one obtains the spatial distribution of physical parameters. Since we retrieve information about entities—via solving inverse problems—that we are unable to observe directly, the topic is among the most intensively studied mathematical problems in the field. To have an expanded perspective, we shall be placed at the interplay of the deterministic and the stochastic approaches. Starting from linear image reconstruction algorithms, we shall review recent techniques that are nonlinear. We will present examples of such algorithms used in practical cases such as phase retrieval and lensless imaging.

Subwavelength EUV Imaging

Tabletop coherent EUV/SXR beams are now possible using high-harmonic generation (HHG).1,2 In addition, a new generation of powerful coherent-diff ractiveimaging (CDI) techniques is removing the resolution limits imposed by traditional X-ray microscopy, by replacing lossy and imperfect X-ray optics with powerful iterative phase retrieval algorithms.

EUV ERC Native American REU Student Becomes Academic Research Leader

Franklin Dollar, a member of the Dry Creek Band of Pomo Indians in California, was a 2012 Research Experiences for Undergraduates (REU) student at the NSF’s now-graduated Extreme Ultraviolet Engineering Research Center (EUV ERC), based at Colorado State University. Now, as a faculty member at the University of California at Irvine (UCI), he is one of the faculty participant enablers in NSF’s newly formed STROBE Science and Technology Center (STC).

Bringing Holography to Light

In recent months, one company after another has come out with products that appear to create holograms—but according to optics experts, most do not use true holography to create their three-dimensional (3D) effects.

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