yidaoxue 发表于 2010-4-21 19:30:55

关于血氧仪led光的穿透深度

请问一下,血氧仪中一般用的led二极管发出的光能穿透人体组织多深?就是660nm和940nm的光,大概几厘米?

550482055 发表于 2010-5-13 11:48:28

mudmud 发表于 2010-6-19 05:33:06

The effective penetration depth varies from tissues, skin? fat? mussles? I want to say 1.x mm and 2.x mm for finger tissues at 660 and 940 nm, respectively.
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