Optical measurement device

Details Optical measurement device Optical measurement device

2011-07-12

2011-07-12

Toatley, Gregory J (Department: 2877)

Optics: measuring and testing

Of light reflection

With diffusion

C356S445000

Reexamination Certificate

active

07978332

ABSTRACT:
An optical measurement device for measuring the optical appearance of a surface (12) of a sample (10), in particular a surface (12) of a human skin, wherein the surface is at least partly translucent, comprising: an illumination device (18) for illuminating the surface (12) with an illumination beam (20), wherein the illumination beam (20) is generated from a radiation beam emitted from a radiation source (58), a detection device (56) for intercepting a response beam (30, 32), wherein the response beam (30, 32) is generated as a response of the sample (10) to the illumination beam (20), incident on the surface (12). The optical measuring device comprises a measuring head (14), that can be brought into contact with the surface (12) of the sample (10), wherein the measuring head (14) comprises at least one elongated aperture (40) that is designed such that the response beam (30, 32), generated below the surface (12) in a sub-surface area (16) of the sample (10), is detected by the detection device (56), wherein the illumination beam (20) directly reflected at the surface is cut off.

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