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This proposed project is concerned with the design, fabrication, and demonstration of a new class of plasmonic nanostructures for single molecule surface-enhanced Raman spectroscopy for biological and chemical sensing applications. A complete design of the plasmonic nanostructures with large local field enhancements (E/E0>100) will be formulated, and the fabrication procedures will be developed fo ...

Leveraging Agiltron"s industrial leading developments and production of Raman instruments, external cavity laser and nonlinear optical components, we propose to develop a new class of high performance compact deep ultraviolet (UV) laser for Raman spectroscopy. The approach is closely coupled with recent progress in GaN blue laser and external resonator enhanced second harmonic generation (SHG) to ...

Bridger Photonics and the University of Arizona will develop a passive multi-band compressive sensor for imaging and object recognition applications. The Army has identified a need for multi-band imagery for intelligence, surveillance and reconnaissance missions among others. Multi-band systems offer enhanced discrimination capability and the ability to perform in adverse conditions (at night, smo ...

In the past few years, there have been promising demonstrations of new approaches to short-gate (i.e., sub-nanosecond) operation of single-photon avalanche diodes (SPADs) with gating frequencies as high as 2 GHz. However, these demonstrations have had limitations, including operation at just a single fixed frequency, fairly high residual afterpulsing levels, and the lack of industrialization req ...