Optics: measuring and testing – By dispersed light spectroscopy – With sample excitation
Reexamination Certificate
2006-11-09
2008-07-29
Geisel, Kara (Department: 2877)
Optics: measuring and testing
By dispersed light spectroscopy
With sample excitation
C356S246000
Reexamination Certificate
active
07405824
ABSTRACT:
A light measuring device is designed, so that excitation light, emitted by a light source, is guided through an excitation light optical fiber to irradiate a sample, and that fluorescence discharged by the sample is guided to an optical detection system through a receiving light optical fiber. A coupling lens is arranged ahead of the excitation light optical fiber and ahead of the receiving light optical fiber on the sample side. A sample container for retaining a sample is so designed that a lens portion, for collecting excitation light and fluorescence, is integrally formed with the cylindrical bottom. According to this arrangement, excitation light is changed to parallel light or converged light by the coupling lens, and is collected at the sample by the lens portion integrally formed with the bottom of the sample container.
REFERENCES:
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patent: 2003/0174325 (2003-09-01), Zhang et al.
patent: 2003/0191398 (2003-10-01), Motz et al.
patent: 11-326210 (1999-11-01), None
Hikichi Naoko
Nakama Kenichi
Geisel Kara
Nippon Sheet Glass Company Limited
Whitham Curtis Christofferson & Cook, P.C.
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