Photoplethysmographic instrument having an integrated multimode optical coupler device

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	Photoplethysmographic instrument having an integrated multimode optical coupler device
其他题名	Photoplethysmographic instrument having an integrated multimode optical coupler device
	POLOGE JONAS A.; YANG SHAO
	1998-06-10
专利权人	DATEX-OHMEDA, INC.
公开日期	1998-06-10
授权国家	欧洲专利局
专利类型	发明申请
摘要	The integrated multimode optical coupling apparatus comprises an N-to-M optical coupling arrangement that is simple to manufacture, minimizes optical losses and is significantly less expensive than the prior art arrangements of coupling optical signals. The preferred embodiment of the apparatus of the present invention comprises a substrate into which is formed a plurality of optical channels, each of which is joined at one end into a single output optical channel. This integrated optical coupler is formed by diffusing silver ions or other equivalent ions into the glass substrate in these defined areas to form channels of high optical refractive index in the body of the substrate. At one end of each of the optical channels that are formed in the substrate, the plurality of the optical channels are joined together in a volumetric region of the substrate wherein the individual channels merge into one unified common structure. The output optical channels are joined to this combiner to thereby carry the combined light output to the output terminals. One application of this apparatus is in the field of photoplethysmography, such as in a pulse oximeter instrument.
其他摘要	集成的多模光学耦合装置包括N-to-M光学耦合装置，其制造简单，光学损耗最小并且比耦合光学信号的现有技术装置明显便宜。本发明装置的优选实施例包括一个基板，在该基板中形成多个光学通道，每个光学通道的一端连接成单个输出光学通道。通过在这些限定的区域中将银离子或其他等效离子扩散到玻璃基板中以在基板的主体中形成高光学折射率的通道来形成该集成光学耦合器。在基板中形成的每个光学通道的一端，多个光学通道在基板的体积区域中连接在一起，其中各个通道合并成一个统一的共同结构。输出光学通道连接到该组合器，从而将组合的光输出传送到输出端子。该装置的一个应用是在光电容积描记术领域，例如在脉搏血氧计仪器中。
主权项	A passive optical coupler apparatus (OC) for interconnecting light beams output by a first plurality of light sources (L) with at least one output optical device (OD) comprising: a substrate (S); an optical combiner (C) formed in said substrate (S); a plurality of optically transmissive input optical channels (IL) formed in said substrate (S), each of said input optical channels (IL) having a first end (IE) located at a surface of said substrate (S) and a second end terminated in said optical combiner (C); at least one optically transmissive output optical channel (OL) formed in said substrate(S), each of said output optical channels (OL) having a first end (OE) located at a surface of said substrate (S) and a second end terminated in said optical combiner (C); wherein said optical combiner (C) optically interconnects said second ends of said plurality of input optical channels (IL) with said second ends of said at least one output optical channel (OL) and said second end of said output monitor optical channel to enable light beams transmitted by selected ones of said plurality of input optical channels to enter selected ones of said second ends of said at least one output optical channel and said second end of said output monitor optical channel for transmission to said first ends thereof.
申请日期	1997-03-24
专利号	EP0801316A3
专利状态	失效
申请号	EP1997301976
公开（公告）号	EP0801316A3
IPC 分类号	G02B6/12 \| G02B6/42 \| G02B6/125 \| A61B5/026 \| G02B6/122 \| G02B6/293 \| A61B5/1455 \| A61B5/145 \| G02B6/28
专利代理人	-
代理机构	-
文献类型	专利
条目标识符	http://ir.opt.ac.cn/handle/181661/52078
专题	半导体激光器专利数据库
作者单位	DATEX-OHMEDA, INC.
推荐引用方式 GB/T 7714	POLOGE JONAS A.,YANG SHAO. Photoplethysmographic instrument having an integrated multimode optical coupler device. EP0801316A3[P]. 1998-06-10.

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