Fiber optic probe for measuring reflectance spectrum

Details Fiber optic probe for measuring reflectance spectrum Fiber optic probe for measuring reflectance spectrum

1989-09-08

1991-07-09

Rosenberger, Richard A.

Optics: measuring and testing

Blood analysis

Hemoglobin concentration

350 961, 356 731, G01N 3348

Patent

active

050300008

ABSTRACT:
In a fiber optical probe for measuring or sensing a reflectance spectrum, an illuminating light supplying optical fiber (1) and a light receiving optical fiber (2) are coupled in parallel to form a fiber bundle (3). A lens (4) is provided on sensing end surfaces of both types of fibers of the fiber bundle. The fiber bundle is inserted in a heat shrinkable polyethylene tube and the tube is shrunken by heat to form a coating jacket (6). The coating jacket extends beyond the end of the fiber bundle to cover the periphery of the lens, so that the lens is fixed to the fiber bundle.

REFERENCES:
patent: 4295470 (1981-10-01), Shaw et al.
patent: 4338352 (1982-07-01), Bear et al.
patent: 4395120 (1983-07-01), Takahashi
patent: 4573761 (1986-03-01), McLachlan et al.
patent: 4615583 (1986-10-01), Tsuno et al.
patent: 4623788 (1986-11-01), Kern et al.

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