Invention Application
US20070273888A1 Variable spectroscopy device, spectroscopy apparatus, and endoscope system
审中-公开
可变光谱装置，光谱装置和内窥镜系统
- Patent Title: Variable spectroscopy device, spectroscopy apparatus, and endoscope system
- Patent Title (中): 可变光谱装置，光谱装置和内窥镜系统
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Application No.: US11804828Application Date: 2007-05-21
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Publication No.: US20070273888A1Publication Date: 2007-11-29
- Inventor: Yasuhiro Kamihara
- Applicant: Yasuhiro Kamihara
- Applicant Address: JP Tokyo
- Assignee: Olympus Corporation
- Current Assignee: Olympus Corporation
- Current Assignee Address: JP Tokyo
- Priority: JP2006-148041 20060529
- Main IPC: G01B9/02
- IPC: G01B9/02 ; G01J3/45
Abstract:
It is possible to a variable spectroscopy device that has a plurality of coating layers facing each other at an interval and changes a transmission band of light passing through the coating layers by adjusting an optical path length between the coating layers, in which the coating layer is structured so that a change rate of a transmission bandwidth between two arbitrary transmission bands is smaller than a change rate of a central wavelength between the two transmission bands within a spectroscopy wavelength band for changing a transmission band.
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