Optics: measuring and testing – For light transmission or absorption – By comparison
Patent
1979-03-12
1981-07-07
Rosenberger, R. A.
Optics: measuring and testing
For light transmission or absorption
By comparison
250344, 356439, G01N 2159
Patent
active
042771790
ABSTRACT:
The highly sensitive spectrophone assembly of the subject invention simultaneously and continuously provides an accurate measure of the absorption of electromagnetic radiation by atmospheric gases and particulate matter by providing successive flow through chambers. The gases and particulate matter pass through the first chamber, are directed through a filter where the particulate matter is removed, leaving the gases to flow through the second chamber. The signal representative of the absorption of energy is generated in each chamber and fed into a differential amplifier, to provide an accurate indication of the particulate matter in the atmosphere being monitored. Grounding one side yields a signal attributable to the gaseous absorption.
REFERENCES:
patent: Re23023 (1948-08-01), Wolf et al.
patent: 2019871 (1935-11-01), Pettingill et al.
patent: 2362278 (1944-11-01), Jones
patent: 3111839 (1963-11-01), Evans et al.
patent: 3200700 (1965-08-01), Topol
patent: 3238452 (1966-03-01), Schmitt et al.
patent: 4058725 (1977-11-01), Aine
Bruce et al., "Application of Pulsed-Source Spectrophone to Absorption by thane at DF Laser Wavelengths," Applied Optics, vol. 15, No. 12, Dec. 1976, pp. 2970-2972.
Bruce et al., "In-Situ Measurements of Aerosol Absorption With a Resonant CW Laser Spectrophone," Applied Optics, vol. 16, No. 7, Jul. 1977, pp. 1762-1765.
Edelberg Nathan
Franz Bernard
Murray Jeremiah G.
Rosenberger R. A.
The United States of America as represented by the Secretary of
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