Refractometer cell with integral lens

Details Refractometer cell with integral lens Refractometer cell with integral lens

1979-06-25

1981-09-01

Rosenberger, R. A.

Optics: measuring and testing

Refraction testing

Differential

356134, 356246, G01N 2146

Patent

active

042868734

ABSTRACT:
A fused glass refractometer cell is disclosed in which a lens is formed by the front surface of the cell and a reflective surface is applied to the rear surface of the cell. Means are provided to limit the passage of light through the cell to the central portion of the cell.

REFERENCES:
patent: 2837007 (1958-06-01), Crawford
patent: 2857803 (1958-10-01), Reinecke et al.
patent: 2964992 (1960-12-01), Hurdle
patent: 3051037 (1962-08-01), Broerman
patent: 4126393 (1978-11-01), Sumikama

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