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- The camera CompG2 is looking at the surface of the second grating. For alignment check, it can confirm both top and bottom beams on G2 are centered on crosshairs set by the camview. Additional information like spectral profile can be obtained by using the lineout function in the camview.
- TIPA measurement: the TiPA hardware is on top of OPA (Fig. 1) with fourmirrors for adjusting the beam into TiPA. The TiPA software is in Laptop PC97017 located on top of GAIA. A USB cable is connecting the camera to laptop. This laptop has both TiPA and Spider. The password is on the laptop.
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| Figure 3 (a) camera CompG2. | Figure 3 (b) TiPA software | Figure 3 (c) TiPA SSA measurement confirms 0.7mm offset through the window. |
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