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Cover Story:

A few-cycle laser pulse and an extreme-UV attosecond pulse are used together in this vacuum chamber to provide previously inaccessible real-time observation of rapid electron motion inside atoms, molecules, and solids. (Courtesy of Max-Planck-Institut für Quantenoptik/Thorsten Naeser)

FEATURES:

67 MOBILE DISPLAYS
Mobile projection technologies proliferate To meet the rising demand for large-screen projection capability in miniature mobile devices such as cell phones, several companies already have or are preparing to commercialize mobile projection technologies. GAIL OVERTON

71 MOLDED OPTICS
Molded glass aspheric optics hit the target for precision and cost Contrary to popular belief, precision glass molding is an economical and high-quality choice for aspheric lenses. Two case studies grind away at the assumptions of molded glass versus traditional lenses. EDWARD PATTON, DAVID STITES, AND SCOTT CAHALL

75 QUANTUM-DOT DETECTORS
Quantum-dot IR photodetectors get ‘hotter’ Improvements in operating temperature and quantum effi ciency of quantum-dot infrared photodetectors promise improved imaging techniques that may lead to high-performance imagers operating at or close to room temperature. MANIJEH RAZEGHI

77 PHOTONIC FRONTIERS: INTEGRATED OPTICS
Metananocircuits can operate at optical frequencies Thinking of nanoscale devices as circuit elements that process optical frequencies offers a new paradigm that could transform development of integrated photonics. JEFF HECHT

81 SOURCES FOR ILLUMINATION
Single-mode fi bers deliver benefi cial illumination As instrument builders create more-functional, more-reliable, and higher-performing instrumentation, single-mode fi beroptic delivery of the laser beam is increasingly seen as a key enabler, particularly for specialized microscopy applications. DAVID POINTER

87 BIOSPECTROSCOPY
Deep-UV Raman spectroscopy directly probes a fibrillation nucleus Amyloid fi bril depositions are associated with many neurodegenerative diseases. A method based on 2-D correlation and deep-UV Raman spectroscopy can probe early stages of lysozyme fi brillation, quantitatively characterizing the kinetics of nucleus formation. VICTOR SHASHILOV AND IGOR K. LEDNEV

91 CONFERENCE PREVIEW: PHOTONICS WEST 2008
Light it up and they will come…to Photonics West Collocated with BiOS, OPTO, LASE, and MOEMS-MEMS, Photonics West 2008 will offer a full menu of technical sessions and the most exhibitors ever, and is expected to draw record-breaking attendance. VALERIE C. COFFEY

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