4ITM07 Input Test Mass for 4K interferometer

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GariLynn Billingsley is the moderator of content. Last updated November 30, 2001
Transmission
Side 1 T=0.0275
Side 2 R=800 ppm

Absorption
4.7 ppm/cm (not measured directly, but inferred from OH content)

Phase map data (about phase map format and filenames)
CIT Data covers the center 150mm
4ITM07-180, Dataset has Tilt and Power subtracted (Z1, Z2 & Z3), there are no missing data points within the set
Z36_4ITM07-180 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: 25cm x 10 cm
Wedge: 0º34' Installed with the thick side up - this orientation corresponds to the - 180º phase map designated -180

Image of the dataset 4ITM07-180