Physical Sciences

Instrumentation for Sensitive Gas Measurements

Measurements are based on cavity-enhanced absorption.

Posted in: Physical Sciences, Briefs

Read More >>

Apparatus for Testing Flat Specimens of Thermal Insulation

An improved design affords flexibility for testing under diverse conditions.

Posted in: Physical Sciences, Briefs

Read More >>

Quadrupole Ion Mass Spectrometer for Masses of 2 to 50 Da

H2, He, O2, and Ar can be quantitated at low concentrations in N2.

Posted in: Physical Sciences, Briefs

Read More >>

Miniature Laser Doppler Velocimeter for Measuring Wall Shear

Interference fringes are configured for sensitivity to a velocity gradient.

Posted in: Physical Sciences, Briefs

Read More >>

Atom Skimmers and Atom Lasers Utilizing Them

Atom skimmers act as conduits and low-pass velocity filters.

Posted in: Physical Sciences, Briefs

Read More >>

Gears Based on Carbon Nanotubes

Nanometer size gears could be used in molecular-scale machines.

Posted in: Physical Sciences, Briefs, TSP

Read More >>

Multifunction Imaging and Spectroscopic Instrument

There would be no repositioning for different observations of the same specimen. A proposed optoelectronic instrument would perform several different spectroscopic and imaging functions that, heretofore, have been performed by separate instruments. The functions would be reflectance, fluorescence, and Raman spectroscopies; variable-color confocal imaging at two different resolutions; and wide-field color imaging.

Posted in: Physical Sciences, Briefs

Read More >>

White Papers

Electronics Subracks: Requirements, Selection Criteria And Options For Adaptation
Sponsored by Pentair
Fundamentals of Vector Network Analysis Primer
Sponsored by Rohde and Schwarz
What They Didn’t Teach You in Engineering School About Heat Transfer
Sponsored by Mentor Graphics
Maintenance Free Linear Guides
Sponsored by IKO
Managing Risk in Medical Connectors
Sponsored by Fischer Connectors
An Introduction to LED Capabilities
Sponsored by Photo Research

White Papers Sponsored By: