G - Physics – 01 – B
Patent
G - Physics
01
B
73/51
G01B 9/02 (2006.01) G01J 9/02 (2006.01)
Patent
CA 1313314
ROTATABLE SHEAR PLATE INTERFEROMETER ABSTRACT OF THE DISCLOSURE A rotatable shear plate interferometer comprises a transparent shear plate mounted obliquely in a tubular supporting member at 45° with respect to its horizontal center axis. This tubular supporting member is supported rotatably around its center axis and a collimated laser beam is made incident on the shear plate along this center axis such that defocus in different directions can be easily measured.
546790
Duffus Richard C.
Finlayson & Singlehurst
United States Of America (government Of The) United States Depar
LandOfFree
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