| 摘要 |
An optical wavelength demultiplexing detector for fluorescence analysis that is compact, has a small number of components, and is easy to assemble. An excitation light received via a first optical transmission path is outputted to a second optical transmission path, and a fluorescence arising from the excitation light outputted from the second optical transmission path is received via the second optical transmission path and detected. The excitation light having propagated through the first optical transmission path and the fluorescence having propagated through the second optical transmission path are received by the same surface of a first lens. An optical wavelength selection member comprised of a dielectric multilayer film receives the excitation light and the fluorescence passed through the first lens, and reflects the excitation light and passes the fluorescence. A photoelectric conversion element directly receives the fluorescence passed through the first optical wavelength selection member.
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