Combined lens and reflector, and an optical apparatus using...

G - Physics – 02 – B

Patent

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G02B 17/00 (2006.01) G01N 21/64 (2006.01) G02B 17/08 (2006.01)

Patent

CA 2748402

A lens and reflector unit for optical measurements comprises first and second convex surface sections of said lens and reflector unit. Both have their respective central normal lines. A first flat surface section has a normal direction that divides the angle between the central normal lines into equal halves. A third convex surface section has a third central normal line,and the fourth convex surface section has a fourth central normal line. A second flat surface section has a normal direction that divides the angle between the third and fourth central normal lines into to equal halves.

Un ensemble lentille et réflecteur destiné aux mesures optiques comprend des première et deuxième sections de surface convexe de l'ensemble lentille et réflecteur. Toutes deux ont leurs axes normaux centraux respectifs. Une première section de surface plane a une direction normale qui divise l'angle entre les axes normaux centraux en moitiés égales. Une troisième section de surface convexe possède un troisième axe normal central, et la quatrième section de surface convexe possède un quatrième axe normal central. Une deuxième section de surface plane a une direction normale qui divise l'angle entre les troisième et quatrième axes normaux centraux en moitiés égales.

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