---+!! %MAKETEXT{"Structural Alignment Data" args="<nop>%WEB%"}% [[%ATTACHURL%/Mosfire_Alignment_Database.xlsx][Instrument Metrology Database]] ---++ Mechanical Metrology All measurements were taken with a Faro Arm Platinum (S/N: TBD). The values below are the average of the total measurements taken. See excel [[%ATTACHURL%/Mosfire_Alignment_Database.xlsx][worksheet]] for individual measurements. * _Units = inches, degrees_ * _Coordinate System = As defined in MMDN3404 section 2.1.1_ * _N = Total number of measurements taken_ * _X, Y, Z, Alpha, Beta, Gamma = Nominal coordinates taken from MMDN3404 which are based on the MOSFIRE CAD model_ * _Alpha = the angle between the X axis and the surface normal_ * _Beta = the angle between the Y axis and the surface normal_ * _Gamma = the angle between the Z axis and the surface normal_ * _d(coordinate) = (Nominal Value) - (Measured Value)_ | *Surface* | *N* | *X* | *Y* | *Z* | *Alpha* | *Beta* | *Gamma* | *dX* | *dY* | *dZ* | *d(Alpha)* | *d(Beta)* | *d(Gamma)* | | CSU 2nd Pin | 8 | 19.6850 | -15.7480 | 0.0000 | _na_ | _na_ | _na_ | 0.0007 | -0.0005 | 0.0000 | _na_ | _na_ | _na_ | | Field Lens Mount | 2 | 9.8425 | -7.8740 | -16.5933 | 90.0000 | 90.0000 | 180.0000 | 0.0035 | 0.0091 | -0.0056 | 0.0029 | 0.0000 | 0.0000 | | FCS Mirror | 3 | 9.8425 | -7.8740 | -16.5933 | 90.0000 | 72.5000 | 17.5000 | -0.0089 | 0.0069 | -0.0019 | 0.0210 | -0.0524 | 0.0478 | | Pupil Mount | 4 | _na_ | _na_ | _na_ | 90.0000 | 0.0000 | 90.0000 | _na_ | _na_ | _na_ | -0.0186 | 0.0000 | -0.0272 | | 1st Pupil Pin | 3 | 9.8425 | 8.7093 | -5.2624 | _na_ | _na_ | _na_ | -0.0023 | 0.0015 | -0.0021 | _na_ | _na_ | _na_ | | 2nd Pupil Pin | 3 | 9.8425 | 8.7093 | -1.7624 | _na_ | _na_ | _na_ | -0.0015 | -0.0002 | -0.0025 | _na_ | _na_ | _na_ | | Grating Mount | 4 | _na_ | _na_ | _na_ | 90.0000 | 55.0000 | 35.0000 | _na_ | _na_ | _na_ | 0.0186 | 0.0454 | -0.0451 | | Grating Pin | 3 | 10.8288 | 13.7680 | 5.3136 | _na_ | _na_ | _na_ | -0.0048 | -0.0008 | -0.0016 | _na_ | _na_ | _na_ | | Grating Slot | 3 | 10.8288 | _na_ | _na_ | _na_ | _na_ | _na_ | -0.0024 | _na_ | _na_ | _na_ | _na_ | _na_ | | Grating Mirror | 3 | 9.8389 | 20.4652 | 2.9501 | 110.0000 | 122.6146 | 140.3315 | -0.0018 | 0.0120 | -0.0190 | -0.0872 | -0.0452 | 0.0987 | | Grating Grating | 2 | 9.8394 | 20.4718 | 2.9595 | 132.6142 | 114.9680 | 127.0734 | -0.0728 | 0.0115 | 0.0097 | 1.0622 | -0.4266 | -0.7551 | ---++ Optical Metrology All measurements were taken with a Brunson 2022 Alignment Scope (S/N: TBD). The values below are the average of the total measurements taken. See excel [[%ATTACHURL%/Mosfire_Alignment_Database.xlsx][worksheet]] for individual measurements. * _Units = inches, degrees_ * _Coordinate System = As defined in MMDN3404 section 2.2.1_ * _N = Total number of measurements taken_ * _Orientation = The orientation of the optical axis wrt to gravity_ * _X = the relative distance between the scopes reticle and the cross-hair target in the X coordinate_ * _Y = the relative distance between the scopes reticle and the cross-hair target in the Y coordinate_ * _Z = the relative distance between the scopes reticle and the cross-hair target in the Z coordinate_ | *Target* | *N* | *Orientation* | *X* | *Y* | *Z* | | Collimator Entrance | 3 | parallel | -0.0080 | 0.0088 | 65 | | Collimator Entrance | 3 | perpendicular | -0.0098 | 0.0040 | 65 | | Collimator Exit | 3 | parallel | -0.0123 | 0.0125 | 75.25 | | Collimator Exit | 3 | perpendicular | -0.0155 | 0.0110 | 75.25 | | Camera Entrance | 1 | parallel | 0.0100 | >0.050 | 110.5 | | Camera Exit | 1 | parallel | >0.050 | >0.050 | 127.25 | * _Units = inches, degrees_ * _d(coordinate) = (Exit) - (Entrance)_ * _Alpha = A rotation about the +X axis and the angle is within the Z-Y plane (i.e. ARCTAN[dY/dZ])_ * _Beta = A rotation about the +Y axis and the angle is within the Z-X plane (i.e. ARCTAN[dX/dZ])_ | *Sub-Assy* | *Orientation* | *dX* | *dY* | *dZ* | *Alpha* | *Beta* | | Collimator | parallel | -0.0043 | 0.0037 | 10.2500 | 0.0205 | -0.0242 | | Collimator | perpendicular | -0.0057 | 0.0070 | 10.2500 | 0.0391 | -0.0317 |
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Alignment Metrology Data
This topic: Keck/MOSFIRE
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Topic revision: r2 - 2009-08-05 - JasonFucik
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