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More Info on Sandia National Laboratories

The nation's premier science and engineering laboratory for national security and technology innovation delivering technology to resolve the nation's most challenging security issues.

Articles

Sandia Physicist Raktim Sarma in the lab where they’re exploring chilling chips via light. Credit: Craig Fritz/Sandia

Lasers & Sources

Laser cooling GPU chips at the nanophotonic level?

Sandia National Laboratories and the University of New Mexico are working with startup Maxwell Labs to pursue laser cooling of graphic processing unit (GPU) chips at the nanophotonic...

Software

Sandia metamaterial design software now available to license for free

Users start by describing the result they want, and the software fills in the steps to get there.

Sandia National Laboratories researchers use wavefront imaging taken at 35,000 frames per second to analyze blast-wave dynamics invisible to the eye and determine how well nuclear weapons could survive a shock wave.

Detectors & Imaging

Synthetic schlieren imaging helps Sandia researchers see blast-tube shock waves

The tests demonstrate how well nuclear weapons could survive the shock wave of a blast from an enemy weapon.

Top-down scanning electron microscope images of 3D (A) carbon scaffold in photoresist; (B) sp3-bonded carbon scaffold; (C) sp3-bonded carbon scaffold coated conformally with nickel; (D) sp2-bonded (3D) carbon scaffold. All scale bars are 500 nm.

Optics

Interferometric lithography creates 3D graphene electrodes

Researchers at Sandia National Laboratories are using interferometric lithography to create 3D graphene materials.

Image: Sandia National Laboratories developed a fog chamber to test optics, like security camera sensors, in a controlled environment. Sandia chemical engineer Andres Sanchez checks an instrument that measures the particle size and concentration of the fog in the chamber’s atmosphere.

Test & Measurement

Sandia fog chamber to advance optics research

Researchers at Sandia National Laboratories have developed a controlled-fog environment for optical testing.

A member of the U.S. Army Special Forces, left, demonstrates the Rapid Adaptive Zoom for Assault Rifles prototype developed at Sandia National Laboratories.

Optics

Sandia's adaptive zoom riflescope offers push-button magnification

Sandia National Laboratories optical engineer Brett Bagwell led the development of the Rapid Adaptive Zoom for Assault Rifles (RAZAR) prototype.

A schematic shows the fabrication process for p-n junction photodetectors using flattened, highly aligned nanotube mats.

Research

Broadband nanotube photodetector directly detects polarized light

Houston, TX and Albuquerque, NM--A photodetector created by researchers from Rice University and Sandia National Laboratories has a spectral response that spans the visible to...

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Optics

Adiabatic microring modulator is smallest to date

Scientists at the Massachusetts Institute of Technology (MIT) and Sandia National Laboratories have developed an “adiabatic” silicon microring modulator that maintains high speed...

Cross-sectional images of the InGaN nanowire photovoltaic cell.

Research

Sandia creates InGaN nanowires for wide-spectrum solar cells

Albuquerque, NM--Sandia National Laboratories scientists Jonathan Wierer Jr. and George Wang have grown indium gallium nitride (InGaN) nanowires for photovoltaic cells that could...

A nighttime test of the Sandia self-guided bullet with an LED attached highlights its path.

Software

Sandia’s laser-guided bullet prototype can hit small targets a mile away

Albuquerque, NM--Sandia National Laboratories researchers Red Jones, Brian Kast, and their colleagues have invented a finned self-guided bullet for small-caliber, smooth-bore ...

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Titus Appel, left, and Steve Sanderson of Sandia National Laboratories display a first-generation power-over-fiber cable.

Lasers & Sources

Optical power-over-fiber cable provides total electrical isolation

Albuquerque, NM--A novel fiber-optic communications cable developed at Sandia National Laboratories sends power optically rather than electrically to the communications electronics...

A cell surface is imaged with sandia's improved superresolution-microscopy technique (right) and a previous technique (left). Orange areas correspond to the bacterial lipopolysaccharide (LPS) derived from E. coli, and the green areas correspond to the cell's TLR4 receptors.

Research

New slant on superresolution microscopy at Sandia unlocks secrets of plague

Albuquerque, NM--Researchers at Sandia National Laboratories have developed a superresolution microscopy technique that is answering long-held questions about exactly how and ...

FIGURE 1. Huge electrical currents generate arcs and sparks on the Z machine at Sandia National Labs. The bright objects in the foreground are the laser triggered gas switches.

Positioning, Support & Accessories

MOTION CONTROL: Automated alignment keeps Z machine on target

Computer-controlled motorized mirror mounts enable rapid realignment of beam-steering optics between discharges at Sandia National Labs' Z machine.

FIGURE 1. A basic field-effect transistor consists of a source and drain of charge carriers that connect to a channel controlled by a gate (top). A fundamental standing-charge-density oscillation, known as a plasmon, sloshes between two boundaries (bottom left). Increased current causes a higher harmonic of the fundamental plasmon, splitting the group in two (bottom right). Like a spring constant, increasing the carrier density in the channel increases the resonant frequency.

Detectors & Imaging

NEXT-GENERATION DETECTORS: Plasmon grating-gate devices have potential as tunable terahertz detectors

Plasmon-based grating-gate detectors based on hot-electron bolometer mixers are being explored as tunable detectors of terahertz radiation—the next big thing in security applications...

FIGURE 1. Pumped by a diode laser, gain medium in the form of a thin slice produces a single-mode output.

Lasers & Sources

MICROCHIP LASERS: Beyond the visible

A compact source that produces a high-quality pulsed or continuous-wave beam, the microchip laser is benefiting from technological advances that are bringing output wavelengths...

Optics

LASER OPTICS: Deformable thermal-lens-correcting mirror has single actuator

To counter thermal lensing in high-energy-laser rod amplifiers, researchers at Sandia National Laboratories (Albuquerque, NM) have developed a deformable mirror that does one ...

Optics

Blue Semiconductor Lasers: Surface-emitting laser becomes blue-light source

Researchers at Sandia National Laboratories (Albuquerque, NM) have developed a blue-emitting frequency-doubled light source that is built around a diode-pumped vertical external...