Laser spectrochemical analysis

Details Laser spectrochemical analysis Laser spectrochemical analysis

1977-04-28

1980-09-02

Corbin, John K.

Optics: measuring and testing

By dispersed light spectroscopy

With sample excitation

356 36, G01J 330, G01N 100

Patent

active

042204143

ABSTRACT:
A sample of material to be analyzed is applied in a thin layer to a substrate such as an elongated tape and then is illuminated by a laser beam of such wavelength and power that at least a portion of the sample is vaporized. The substrate is non-absorptive at the laser wavelength and therefore is unaffected by the laser beam. The vaporized matter is removed from the region at which vaporization takes place, and is subsequently excited in a plasma to facilitate analysis by a conventional spectrometer.

REFERENCES:
patent: 3832060 (1974-08-01), Dahlquist
patent: 3901599 (1975-08-01), Meric

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