Optics: measuring and testing – For light transmission or absorption
Patent
1998-08-25
2000-10-03
Evans, F. L.
Optics: measuring and testing
For light transmission or absorption
356300, 25033911, G01N 2101, G01N 2117
Patent
active
061280917
ABSTRACT:
An improved attenuated total reflection (ATR) element and the measurement apparatus employing the element capable of performing a measurement with a high accuracy at a low operating cost is disclosed. An ATR element of the present invention permits an incident beam to have an internal total reflection at the surface, and comprises a projection protruded at the portion where the incident beam has the internal total reflection.
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H. Fukushima, et al.,; "Non-Invasive Measuring Method of Blood Sugar Value--Development of Optical Glucose Sensor--"; BME, vol. 4, No. 8 (Institute of Japan Medical Electronics, 1991).
"Electronically conductive Laser Waveguide for `In Situ` Spectroscopic Study of the Interface Region and Surface of a Rotating Electrode", IBM Technical Disclosure Bulletin, Vol. 28, No. 12, 1986, pp. 5250-5252.
Atsuta Hiroshi
Uchida Shinji
Evans F. L.
Matsushita Electric - Industrial Co., Ltd.
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