Apparatus for measuring the characteristics of an optical...

Details Apparatus for measuring the characteristics of an optical... Apparatus for measuring the characteristics of an optical...

G - Physics

01

M

354/29, 73/53

G01M 11/00 (2006.01)

Patent

CA 1185809

ABSTRACT OF THE DISCLOSURE The disclosure describes an apparatus for measuring the optical characteristics of an optical system. It comprises a collimator for collimating a beam of light from a source of light, means for selecting part of the light beam from the collimator, means for holding an optical system to be tested between the colli- motor and the selecting means, means for detecting the selected light beam from the selecting means, and means for operating the optical characteristics of the optical system to be tested on the basis of the results detected in the detecting means. The select- ing means includes a beam selecting pattern comprising two groups of parallel linear lines, each of the groups consisting of at least two parallel linear lines, the parallel linear line groups being disposed such that they are oriented in different directions without any intersection.

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