Circular Dichroic Thermal Lens Microscope
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United States of America Patent
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Issued Date -
Mar 11, 2010
app pub date -
Feb 10, 2006
filing date -
Feb 10, 2005
priority date (Note) -
Abandoned
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Abstract
An objective of the present invention is to provide a circular dichroism thermal lens microscope apparatus capable of identifying and quantifying optically active samples in ultra-trace amounts, and which has a higher sensitivity than conventional apparatuses.The objective is achieved by a circular dichroism thermal lens microscope apparatus which beams excitation light and detection light into an optical microscope, where the detection light enters a thermal lens formed by irradiating a sample with the excitation light, and a substance in a sample is detected by determining the diffusion of the detection light by the thermal lens, and where the excitation light is modulated by a phase-modulation element, so as to identify or quantify an optical isomer.
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