Source Optode

Definition: Source or injection optode is a common term which often identifies a part of an fNIRS system that is in contact with the surface of the tissue being measured. A source optode either directly contains the light sources (e.g. for an LED-based system), or can hold the distal end of source fibers (e.g. for a laser-based system) emitting light at two or more wavelengths. This component may also contain a light guide, a lens, and a housing.Definition: Source or injection optode is a common term which often identifies a part of an fNIRS system that is in contact with the surface of the tissue being measured. A source optode either directly contains the light sources (e.g. for an LED-based system), or can hold the distal end of source fibers (e.g. for a laser-based system) emitting light at two or more wavelengths. This component may also contain a light guide, a lens, and a housing.

Alternative definition:

Synonym: Emitter Optode

References:

Related terms: Source, Detector, emitter, optode

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