ETM02 End Test Mass for the 40M interferometer

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GariLynn Billingsley is the moderator of content.    Last updated May 23, 2002

Not yet coated

Phase map data  (about phase map format and filenames)
CIT Data covers the full aperture
Dataset has Tilt  subtracted (Z1, Z2), there are no missing data points within the set
Zernike Coefficients for this data set (about Zernike Coeffs, we use the Wyko definitions)
Radius of curvature:  See last column at Index

Physical configuration:  See drawings at Index
Nominal:  125mm x 50 mm
Wedge:  2º 30' asymmetric

Image of the surface inspection report,  arrow fiducial is at the top of the image.
The dimensions noted on the image are incorrect, the correct dimensions are:
ETM02 - Shows 2 scratches; one at ~ 9 mm from the center 0.366 mm long and 0.01 mm wide; the other at ~ 34 mm frm the center is 1.28 mm long and 0.01 mm wide