The Journal covers the entire field of infrared physics and technology: theory, experiment, devices and instrumentation. Its core topics can be summarized as the generation, propagation and detection, of infrared radiation; the associated optics, materials and devices; and its use in all fields of science, industry and medicine. Infrared techniques occur in many different fields, notably spectroscopy and interferometry; material characterization and processing; atmospheric physics, astronomy and space research. Scientific aspects include lasers, quantum optics, quantum electronics and semiconductor physics. Some important applications are medical diagnostics and treatment, industrial inspection and environmental monitoring. A fuller though not exhaustive list of topics would include: • Astronomy, Astrophysics and Space Research • Atmospheric transmission, turbulence and scattering. • Environmental applications: pollution and monitoring. • Detectors: quantum and thermal • Industrial applications • Infrared lasers including free electron lasers • Material properties, processing and characterization. • Medical applications • Nondestructive testing, active and passive. • Optical elements: lenses, polarizers, filters, mirrors, fibres, etc. • Radiometry: techniques, calibration, standards and instrumentation. • Remote sensing and range-finding • Solid-state physics • Thermal imaging: device design, testing and applications • Synchroton radiation in the infrared
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Experimental determinations of absorption coefficients of water vapor are presented for temperatures between 400 and 500K and pressures of 2 and 10 atm. All measurements were made by using the technique of self-broadening, moderate resolution (~25 cm-1), and a supply source of liquid water at variable temperatures. The observed results are consistent with the idea that hydrogen bonding contributes to the absorption coefficient of water vapor in the spectral region between 600 and 1000 cm-1.
