G - Physics – 01 – N
Patent
G - Physics
01
N
G01N 21/64 (2006.01)
Patent
CA 2114371
A method of spectrometry for measuring transient absorbance and transient absorption spectrum of a substance to be measured at interfaces in liquid phase of particulates containing a fluorescent pigment and the substance to be measured by the utilization of optical resonance phenomenon, and an apparatus therefor which comprises: (a) a pulse laser oscillator for exciting the fluorescent pigment and the substance to be measured, respectively; (b) an optical delay device for causing delay of any one of pulse laser beams of two kinds of wavelengths generated by said pulse laser oscillator; (c) a microscope system for condensing laser beams generated by the pulse laser oscillator and irradiating the condensed beams to the sample; and (d) a detector for detecting light emission of the sample. According to the method of the present invention, it is possible to measure transient absorbance and transient absorption spectrum at a high sensitivity even when particulates containing the substance to be measured in liquid phase are present.
Kamada Kenji
Kitamura Noboru
Masuhara Hiroshi
Sasaki Keiji
Kamada Kenji
Kitamura Noboru
Masuhara Hiroshi
Ogilvy Renault Llp/s.e.n.c.r.l.,s.r.l.
Research Development Corporation Of Japan
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