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Improved resolution of Questar-based optical inspection system Mingqi Ge and Genfa Wu Aug 30, 2010.

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Presentation on theme: "Improved resolution of Questar-based optical inspection system Mingqi Ge and Genfa Wu Aug 30, 2010."— Presentation transcript:

1 Improved resolution of Questar-based optical inspection system Mingqi Ge and Genfa Wu Aug 30, 2010

2 Optical inspection technique at Fermilab Kyoto optical inspection system Questar inspection system Kyoto system:  1.3GHz 9-cell cavity  1.3GHz single-cell cavity Questar system:  1.3GHz 9-cell dressed cavity  1.3GHz single-cell cavity  3.9GHz 9-cell cavity  3.9GHz single-cell cavity  1.3GHz Traveling wave cavity  Spoke cavity  650MHz SRF cavity

3 Questar system

4 What’s new Before Now New digital camera: Canon EOS 5D mark II (21 Mpixel, ISO: 50 - 25600 expansion, 1080p HD video) Stronger floor stand: Heavy duty.

5 Questar system Kyoto system 100% cropped image from center Resolution (lp/mm) Questar181 Kyoto32 5 Resolution comparison between Kyoto and Questar system

6 Cavity images comparison Questar systemKyoto system

7 100% image

8 Future works To improve lighting. To build automatically moving stages.

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