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Setup of laser tracker on DX side NOTE: X axis along M1s centers, towards SX Z axis along M1-M2 centers, towards M2.

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Presentation on theme: "Setup of laser tracker on DX side NOTE: X axis along M1s centers, towards SX Z axis along M1-M2 centers, towards M2."— Presentation transcript:

1 Setup of laser tracker on DX side NOTE: X axis along M1s centers, towards SX Z axis along M1-M2 centers, towards M2

2 Taking right front bend gregorian rotator as reference Corner cube and nest glued to rotator flange. Rotator moved and circle fitted to identifiy the axis.

3 Nest and optic installed on dichroic mount

4 Measurements in the parked and working position Final error on dichroic tilt: -0,0046deg (wrt 15deg) Final error on dichroic tip: 0,0051deg Dichroic center offset wrt rotator axis: [0,0,-1]mm

5 3 M6 holes position measured on DX table

6 Position of the M6 holes on DX table (to be compared with Matthias model) P1: [-1077.2, -1043.6] P2: [-1217.5, -1618.0] P3: [-780.5, -1079.0] Reference: intersection point between the rotator axis and the rotator flange Table plane after repositioning to the end of the slot is 147mm below rotator axis (nominal 150mm)

7 Position of the M6 holes on SX table (to be compared with Matthias model) P1: [1092.9, -1059.8] P2: [1232.4, -1633.3] P3: [794.8, -1095.3] Reference: intersection point between the rotator axis and the rotator flange Table plane is 153mm below rotator axis (nominal 150mm) -> To be repositioned: actually is at the end of the slot.

8 Rotator axis visualization on DX table: flat mirror installed on front of AGW

9 Rotator axis visualization on DX table: flat mirror aligned perpedicular to rotator axis 0deg rotator angle 180deg rotator angle Laser beam projected across M1 to flat mirror and reflected on the dome

10 Rotator axis visualization on DX table: rotator axis visualized on the flat mirror Laser beam projected across M1 and position marked at 0, 90, 180, 270deg of rotator angle Center of 4 spots is the rotator axis (center of the cross)

11 Rotator axis visualization on DX table: laser beam projected from table and autocollimated through dichroic LGSW table laser 1’’ mirror dichroic Flat mirror on AGW

12 Rotator axis visualization on DX table: laser beam reflected by dichroic and fold mirror on DX table LGSW table laser 1’’ mirror dichroic Fold mirror

13 References installed for LGSW positioning To be done: set beam height to 150mm tilting dichroic and fold mirror

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