Optical: systems and elements – Single channel simultaneously to or from plural channels – By partial reflection at beam splitting or combining surface
Reexamination Certificate
2007-10-16
2007-10-16
Nguyen, Thong Q (Department: 2872)
Optical: systems and elements
Single channel simultaneously to or from plural channels
By partial reflection at beam splitting or combining surface
C359S234000, C359S368000
Reexamination Certificate
active
10844421
ABSTRACT:
A confocal optical scanner of Nipkow disk type for measuring a sample, in which each component of two or more color pigments, has a high reflection mirror for separating an excited light to be radiated onto the sample and a fluorescence emitted from the sample, wherein a reflectance of the high reflection mirror is from 80% to 100% in a measured wavelength region including at least an excited light wavelength region and a fluorescence wavelength region. Thereby, the confocal optical scanner capable of measuring a polychromatic fluorescent image at the same time is realized with the enhanced light receiving efficiency of fluorescence, using one high reflection mirror without using a plurality of dichroic mirrors by exchange.
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Mikuriya Kenta
Miyawaki Atsushi
Nagai Takeharu
Seki Naoki
Tanaami Takeo
Nguyen Thong Q
Riken
Westerman, Hattori, Daniels & Adrian , LLP.
Yokogawa Electric Corporation
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