Optics: measuring and testing – Photometers – Integrating spheres
Patent
1980-03-05
1982-01-12
Rosenberger, R. A.
Optics: measuring and testing
Photometers
Integrating spheres
250228, G01J 104
Patent
active
043102468
ABSTRACT:
A photometer sphere includes a spherical interior encompassed by a diffusely reflecting wall, provided with apertures for incident light as well as for applying samples and photo detectors in the diffusely reflecting wall. The interior is filled completely by an optically homogenous, clear and stray-free material.
REFERENCES:
patent: 2347067 (1944-04-01), Shurcliff
patent: 2364825 (1944-12-01), Shurcliff
patent: 3815977 (1974-06-01), Vasiliev et al.
Rosenberger R. A.
Smith, Jr. John C.
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