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AdV-TCS (CO2 laser projector)
aiello, fafone, nardecchia, rocchi, ruggi - 17:37 Wednesday 22 November 2017 (40117) Print this report
Comment to DAS tests with P ITF @26.4 W (40115)

Here we report the details of the DAS actuation tests during the yesterday shift. The same power has been applied on both benches.

Test Start (UTC) End (UTC) Power IN (mW) Power OUT (mW)
1 16:04 16:06 200 400
2 16:24 16:40 100 200
3 16:45 17:33 150 300
4 17:33 17:52 175 350
-- 18:04* 19:25* 100* 200*
5 19:40 -- 125 250

*during this measurement the WI laser changed its working point, so the data are not reliable (grey area in the attached plot).

In the white areas the DAS was OFF.

The selected working point (test 5, probably close to the best one) allowed to keep the ITF locked for the all night.

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