Applied Physics Letters · 1971 · 28 citations · 4 references
Natural SciencesPhysicsOpticsOptoelectronicsVisual OpticsInfrared InstrumentationLaser PhysicsRadiation InstrumentationContrastEnergy DensityThermal ImagingThermal Infrared Radiation
The operation of a thermal image converter for infrared and submillimeter wave laser radiation is reported. An energy density of 0.004 J/cm2 is sufficient for full contrast, independent of wavelength. Photographs taken with HCN laser radiation are shown.
4
Infrared Interferometry with a CO_2 Laser Source and Liquid Crystal Detection
F. Keilmann · Applied Optics · 1970 · 30 citations
Natural Sciences, Physics, Optics +15
Display of Infrared Laser Patterns by a Liquid Crystal Viewer
J. R. Hansen, James L. Fergason, Akira Okaya · Applied Optics · 1964 · 21 citations
Natural Sciences, Physics, Optics +10