A unique rectangular collimator design being reintroduced to the dental market this spring could help address growing concerns about exposure to unnecessary radiation. The Tru-Align collimator, first ...

Manufactured to better than lambda/10 p-v surface accuracy, the off-axis design of OSL Reflecting tube collimators produces no central obscuration and highly efficient transmission is obtained.

Optical Surfaces Ltd. reports how a motorised UV-Vis-NIR collimator and interferometric alignment system it supplied to the Deutsches Zentrum für Luft- und Raumfahrt (DLR) in Berlin, Germany has been ...

MESSRS. ADAM HILGER, Ltd., have forwarded to us some interesting leaflets on recent developments in spectrographic apparatus. The alignment or collimation of the light source with the axis of the ...