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2 085 910

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C1

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IPC

(21) (22)

Application

93048963/25, 1993-10-25

(22)

Actual filing date

1993-10-25

(45)

Published

1997-07-27

(72)

Inventor

Vinogradov V.V.Galkin Ju.S.Kharchenko V.N.

(73)

Holder

Moskovskij Gosudarstvennyj Universitet Lesa

METHOD FOR MEASURING CONCENTRATION OF COMPONENTS IN MEDIUM Russian patent published in 1997 - IPC

Abstract RU 2085910 C1

FIELD: instruments for analysis of materials. SUBSTANCE: emitter generates signal which frequency is ωo and belongs to range of significant second derivative of refraction index of searched component and is tuned to said range if it is remote. Said carrier frequency ωo is modulated with frequency Ω in amplitude or phase according to given function, for example, harmonious one. Concentration of searched component is judged by time alternations of phase or amplitude in received beam. EFFECT: increased functional capabilities. 1 dwg

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RU 2 085 910 C1

Authors

Vinogradov V.V.

Galkin Ju.S.

Kharchenko V.N.

Dates

1997-07-27—Published

1993-10-25—Filed

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