The SPIE Digital Library and the SPIE Newsroom are two great sources for photonics research. Using the most recent data available, here is a selection of the most frequently downloaded papers on the Digital Library, and the most read articles on the Newsroom.

SPIE Newsroom: Top articles from 2011 

1. Toward a 3D endoscope for minimally invasive surgery
2. Learning-based authentication of Jackson Pollock's paintings
3. Anisotropic surface-plasmon-resonance imaging biosensor
4. Image-retrieval system aids cervical-cancer studies
5. A novel technique for projection-type electron-beam lithography
6. Enhanced photoelectrochemical hydrogen production with swift heavy ion irradiation
7. Designing novel carbon nanostructures for hydrogen storage
8. Video: Eugene Fitzgerald on translating innovation into products
9. A novel technique for remotely monitoring key biological parameters
10. Stefan Hell video: Nanometer-scale microscopy in biophotonics

SPIE Digital Library: Top Downloads October 2011 

Astronomy: Fabrication and testing of the first 8.4-m off-axis segment for the Giant Magellan Telescope (Proceedings of SPIE)

Biomedical Optics & Medical Imaging: In vivo label-free three-dimensional imaging of zebrafish vasculature with optical projection tomography (J. Biomedical Optics)

Defense & Security: Review of current aided/automatic target acquisition technology for military target acquisition tasks (Optical Engineering)

Electronic Imaging & Signal Processing: Fusion of thermal- and visible-band video for abandoned object detection (J. Electronic Imaging)

Illumination & Displays: Enhancing light extraction in organic light-emitting devices via hemispherical microlens arrays fabricated by soft lithography (J. Photonics for Energy)

Lasers & Sources: Transparent ceramics for high-power solid-state lasers (Proceedings of SPIE)

Micro/Nano Lithography: Technology review and assessment of nanoimprint lithography for semiconductor and patterned media manufacturing (J. Micro/Nanolithography, MEMS, and MOEMS)

Nanotechnology: Optical properties of nanostructured materials: a review (J. Nanophotonics)

Optical Design & Engineering: Imaging system fundamentals (Optical Engineering)

Optoelectronics & Communications: Quantum well infrared photodetectors: present and future (Optical Engineering)

Remote Sensing: Characterization of the Sonoran desert as a radiometric calibration target for Earth observing sensors (J. Applied Remote Sensing)

Sensing & Measurement: Optical three-dimensional metrology with structured illumination (Optical Engineering)

Solar & Alternative Energy: Organic light-emitting-diode lighting overview (J. Photonics for Energy)