SEARCH · Engineering Papers

Results for “neon”

Search indexed NASA NTRS and DOE OSTI research on propulsion, heat transfer, battery materials and energy systems. Follow report and document links to the original sources.

SourceResearch connectionFrom yearThrough year

Quote a phrase for an exact phrase match. Source license links do not imply unrestricted reuse.

At least 631 records · Page 35

All sources NASA NTRS DOE OSTI

NASA NTRS1962

GASES IN TEKTITE BUBBLES

Spectroscopic analysis of gas bubbles in tektites - neon, helium & oxygen

GAS↗

NASA NTRS1962

GASES IN TEKTITE BUBBLES

Spectroscopic analysis reveals that gases in tektite bubbles are neon, helium and oxygen

TEKTITE↗

NASA NTRS1964

The Use of a Single Plane Parallel Plate as a Lateral Shearing Interferometer with a Visible Gas Laser Source

Single plane parallel plate as lateral shearing interferometer with visible helium-neon gas laser

FLAT PLATE↗

NASA NTRS1964

Ortho- and paratritium.

Heat conductivity cell, cooled with liquid neon, is used to measure conversion of ortho-paratritium in the homogeneous gas and solid phases

PHASE CHANGE↗

NASA NTRS1965

Frequency stabilization of double-mode gas laser.

Frequency stabilization of double mode helium-neon laser via phase lock circuit

PHASE LOCK↗

NASA NTRS1965

Reduction of infrared maser losses by cavity tubing.

Reflection coefficient of cavity tubing as explanation for power level of helium-neon IR FABRY-PEROT interferometer

INFRARED MASER↗

NASA NTRS1965

Dispersion characteristics of the 1.15-mu he-ne laser line.

Dispersion of 1.15 micron He-Ne laser line resulting from neon absorption transition

LASER OUTPUT↗

NASA NTRS1966

Laser measuring system accurately locates point coordinates on photograph

Laser activated ultraprecision ranging apparatus interfaced with a computer determines point coordinates on a photograph. A helium-neon gas CW laser provides collimated light for a null balancing optical system. This system has no mechanical connection between the ranging apparatus and the photograph.

Doede, J. H.↗

NASA NTRS1965

The multiply-charged primary cosmic radiation at solar minimum, 1965

Primary cosmic ray charge and energy spectra determination for helium through neon during solar minimum

ENERGY SPECTRUM↗

NASA NTRS1965

Isotope shift measurement for 6328 angstrom units He-Ne laser transition.

Isotope shift measurement for 6328 angstroms helium-neon laser transition

FABRY-PEROT INTERFEROMETER↗

NASA NTRS1966

Effects of collisions on saturation behavior of the 1.15- mu transition of Ne studied with He-Ne laser.

Output power frequency response of single mode helium neon laser, determining effects of atomic collisions on frequency response of individual atoms

FREQUENCY RESPONSE↗

NASA NTRS1966

Measurements of ultraviolet /575 angstrom units/ radiation from nitrogen at temperatures from 13,000 deg K to 16,000 deg K.

UV radiation from shock-heated nitrogen measured by ballistic flight through nitrogen-neon mixture

NITROGEN↗

NASA NTRS1966

Interstellar and intergalactic absorption of cosmic X rays.

Interstellar X-ray absorption edges due to K- shell photoionization of oxygen and neon, using element abundances and atomic photoelectric cross section data

X-RAY ABSORPTION↗

NASA NTRS1967

System enables more complete calibrations of dynamic-pressure transducers

Absolute pressure calibration system using a Michelson interferometer calibrates phase characteristics and pressure sensitivities of the transducers that monitor acoustic or aerodynamic pressure fields. The interferometer uses a helium-neon laser light source and interchangeable acoustic signal generators to produce acoustic waves.

Pernet, D. F.↗

NASA NTRS1966