Briefs: Photonics/Optics
Laser Integration on Silicon Photonic Circuits Through Transfer Printing

The purpose of this project was to develop a transfer printing process for the massively parallel integration of III-V lasers on silicon photonic integrated circuits. Silicon...

Briefs: Aerospace
High Energy Computed Tomographic Inspection of Munitions

An advance computed tomography (CT) system was recently built for the U.S. Army Armament Research, Development and Engineering Center, Picatinny Arsenal, NJ, for the inspection of munitions....

Briefs: Photonics/Optics
Development of Photoacoustic Sensing Platforms

In recent years, photoacoustic spectroscopy (PAS) has emerged as an attractive and powerful technique well suited for sensing applications. The development of high-power radiation sources and more...

Briefs: Photonics/Optics
Multi-Channel Laser Absorption Spectrometer for Combustion Product Monitoring

This instrument can detect fires associated with electrical wiring and electronics packaging materials.

NASA’s Jet Propulsion Laboratory,...

Briefs: Photonics/Optics
Thermal Cycle Qualification of Radiated Solar Arrays for 50 to 133 K Temperatures in Vacuum

A closed loop system needs no liquid helium.

NASA’s Jet Propulsion Laboratory, Pasadena, California

Solar arrays...

Briefs: Photonics/Optics
Web-Based Search Service to Support Imaging Spectrometer Instrument Operations

An adaptive matched-filter approach compensates for the context and background characteristics of each scene.

NASA’s Jet Propulsion...

Briefs: Photonics/Optics
Hermetic Phototube Housing

Goddard Space Flight Center, Greenbelt, Maryland

This innovation is a hermetically sealed case or very small chamber. A photomultiplier tube (PMT) is mounted inside the chamber. The circuit board is also...

Briefs: Imaging
Design, Fabrication, and Test of WFIRST/AFTA GRISM Assembly

Goddard Space Flight Center, Greenbelt, Maryland

This work originated with the Wide Field InfraRed Survey Telescope (WFIRST) slitless spectrometer design (GRISM assembly), which...

Briefs: Photonics/Optics
Spinal Ultrasound Just-in-Time Training Tool

This software facilitates ultrasound imaging of the cervical and lumbar spine by crewmembers in-flight.

Lyndon B. Johnson Space Center, Houston, Texas

Back pain and...

Briefs: Photonics/Optics
Wide-Spectrum Organic Mass Spectrometer Using Far-Ultraviolet Ionization

Lyndon B. Johnson Space Center, Houston, Texas

Two-step laser desorption/photoionization mass spectrometry (L2MS) represents a powerful tool for the organic analysis...

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