Naval Research Laboratory
The U.S. Naval Research Laboratory operates as the Navy’s full-spectrum corporate laboratory, conducting a broadly based multidisciplinary program of scientific research and advanced technological development directed toward maritime applications of new and improved materials, techniques, equipment, systems and ocean, atmospheric, and space sciences and related technologies.
Reducing speckles in infrared laser micro and stand-off...
The granular pattern from illumination of rough services is solved without the corresponding reduction in brightness
Suspended waveguides for frequency conversion
Nano slot device combines microelectromechanical actuation, semiconductor nanofabrication, and birefringent phase matching to achieve high conversion efficiencies over a large optical bandwidth
Microfabrication of complex and reconfigurable structures
Laser origami process generates self-folding 3D microstructures on plastic membranes through the controlled out-of-plane folding of 2D patterns of arbitrary design
Metal hydride nanoparticle energetics
Ti–B–H powders with potential uses as a powder fuel for munitions, as reactive powders for production of ceramics, or use in combustion synthesis
Contiguous-channel, frequency-selective limiter with RF-power-dependent inter-resonator coupling
Alternative to p-i-n diode and magnetic limiters in applications that can benefit from low passband loss, frequency-selective limiting, and fast limiting response time
Automated optimization and restoration for underwater images
Software image processing using objective image quality metric to provide a simple, easily comparable measurement of image quality
High-performing grids for electron microscopy
Atomic layer deposition of alumina on a sacrificial support creates durable, thin grids ideal for the immobilization of nanoparticles
Micro-fabricated diffractive optical elements
Increased optical performance, increased mechanical and thermal precision tolerance, and reduction in size and weight relative to traditional optical designs
Thermal-ratcheting molecular concentrator for trace-level vapor detector
Technology overcomes diffusion limits and enables nanosensors (with potential advantages for few-molecule sensitivity, selectivity, power consumption) to be used at low concentrations without prohibitively...
Improved slicer algorithms for 3D printing
Slicer accounts for stress requirements in the design and can produce a mesoscale structure leading to objects of superior functional performance such as greatly...
Silicon nanowire trace chemical detector
Trace chemical detection with parts per trillion sensitivity in this nanotechnology-based sensor offers the possibility for real-time chemical agent identification and tracking