Integrating sphere power meter

Details Integrating sphere power meter Integrating sphere power meter

1992-03-13

1993-10-05

Rosenberger, Richard A.

Optics: measuring and testing

Photometers

Integrating spheres

250228, G01J 142

Patent

active

052510042

ABSTRACT:
An improved power meter for measuring the energy and wavelength of light emanating from an optical fiber. The meter is an integrating sphere having a source aperture for receiving the tip of an optical fiber and coupling the light from the tip into the sphere's central cavity. The source aperture is modified to include a sterilizable, liquid-fillable insert which mimics the optical environment within tissue. The sphere also has improved baffling and the sensitivity of wavelength verification is improved by means of a rotatable interference filter placed between an exit aperture and a light detector.

REFERENCES:
patent: 3864037 (1975-02-01), Johnson
patent: 4081215 (1978-03-01), Penney et al.
patent: 4580557 (1986-04-01), Hertzmann
patent: 4645922 (1987-02-01), Welbourn et al.
patent: 5153426 (1992-10-01), Konrad et al.

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