Patent ID: 9250059
Filing Date: 2016-02-02
CPC Classification: G01B

Claim Text:
1. A detection device using a diffraction wavefront of a pinhole stitching measurement of surface shape, wherein the device comprising a laser ( 1 ), a filter hole ( 2 ), a first condenser lens ( 3 ), a spatial filter ( 4 ), a beam expander ( 5 ), a half wave plate ( 6 ), a λ/4 wave plate( 7 ), an attention plate( 8 ), a beam splitter( 9 ), a reflecting mirror( 10 ), a phase shifter( 11 ), a first optical adjustable shelf( 12 ), a second set of condenser lens( 13 ), a pinhole substrate( 14 ), a second optical adjustable shelf( 15 ), a third optical adjustable shelf( 16 ), a CCD detector( 17 ) and a computer ( 18 ), wherein the laser ( the filter hole ( the first condenser lens ( the spatial filter ( the beam expander ( the half wave plate ( the λ/4 wave plate ( the attention plate ( the beam splitter ( the reflecting mirror( the phase shifter ( the first optical adjustable shelf ( the second set of condenser lens ( the pinhole substrate ( the second optical adjustable shelf ( the third optical adjustable shelf ( the computer ( wherein the filter hole ( wherein the centers of the filter hole ( the half wave plate ( the attention plate ( the center of the beam splitter ( the reflecting mirror ( the reflecting mirror ( the first optical adjustable shelf ( the second optical adjustable shelf ( the third set of condenser lens is positioned on the third optical adjustable shelf ( the CCD detector ( the computer (