4ITM06 Input Test Mass for 4K interferometer

Back to Index of all LIGO COC
This web site is for posting useful documents related to the LIGO Core Optic Components design. The documents are for LIGO internal use only.
GariLynn Billingsley is the moderator of content. Last updated November 30, 2001
Transmission
Side 1 T=0.028
Side 2 R=800 ppm

Absorption
2.0 ppm/cm

Phase map data (about phase map format and filenames)
CIT Data covers the center 150mm
4ITM06-180, Dataset has Tilt and Power subtracted (Z1, Z2 & Z3), there are no missing data points within the set
Z36_4ITM06-180 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 4ITM06-180