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Non-contact measurement of large format detectors and thermal blanket

Non-contact measurement of large format detectors and thermal blanket material surrounding the flight instruments of JWST Edwin Olaya 1 , Agossa Segla 1 , Viviana Vladutescu 1 Phillip Coulter 2 , Theo Hadjimichael 2 , Raymond Ohl 2

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Non-contact measurement of large format detectors and thermal blanket

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  1. Non-contact measurement of large format detectors and thermal blanket material surrounding the flight instruments of JWST Edwin Olaya1, Agossa Segla1, Viviana Vladutescu1Phillip Coulter2, Theo Hadjimichael2 , Raymond Ohl2 1Department of Electrical and Telecommunications Engineering Technology, NYCCT/CUNY2NASA Goddard Space Flight Center, Instrument System and Technology Division, Optics (GSFC 5510) Laser Radar and PC Station with SA(Spatial Analyzer) MIC-1 Laser Interferometer Figure 3 Cylinder obtained after used geometry by fitting in SA. Figure 2. SA scan (Metrology Scan) Figure 5. Cylinder 6 Inch with the VDA-2 blanket Figure 1. Cylinder 6 Inch Diameter Data collection with Maxim DL 4 Software Group 1- center of CCD These preliminary analysis yield 1mm error in the measured radius of the unwrapped scanned object in comparison with the measurements of the same object wrapped in smooth and wrinkled blanket , however the 1mm is much smaller than the 12 mm clearance for blanket. Group 2 Data of the Cylinder obtained by SA. Group 3 Group 4 Group 5 Pixel Position in Image J Fringes from MIC-1 Interferometer Laser Radar Pixel Position on SA(Spatial Analyzer) Maxim DL 4 software MIC-1 laser Screen SA and Image J Comparison TB2 SA software TB1 TBs and CCD Pixel 3 Pixel 2 MIC-1 Laser Interferometer (2925.09, 3741.41) (476.41A, 3731.12) Center point 1 CCD (2066.32, 2085.09) SA software TBs on the Fame of the CCD Pixel 5 Pixel 4 TB3 (2963.85, 411.28) (654.896, 750.494) TB4 CCD Camera System ALTA U16M with the tooling balls VDA-2 Aluminized  (Thermal blanket)

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