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Phase camera Restart LIGO-G070349-00-Z 24/05/07 070206-bigotta 1 What’s new • Annecy group had a problem of technical manpower: Pisa group is now in charge for the electronics As a result few changes on the project and delay on the implementation plan • LIGO kindly helped us by sending some components 24/05/07 070206-bigotta 2 Schematic 24/05/07 070206-bigotta 3 Electronics • LO signal generated from electronic signals PD 80 MHz To DAQ 6.26 MHz Demodulation Board Detection Lab Laser Lab AO Driver AO Modulator • No photodiode will be developed, commercial ones used instead 24/05/07 070206-bigotta 4 Scanning system Several alternatives • PZT is currently used for the “phase_camera_0” • Fast steering mirrors (available at Naples) • Galvos (just sent from LIGO) 24/05/07 070206-bigotta 5 Expenditures and foreseen budget Item Cost (k€) Funding institution 01-2007 AOM + driver 3.7 EGO 01-2007 Mirror and optical fiber mounts, pinholes 7 EGO 01-2007 Mirrors, beam splitters 2.5 EGO 03-2007 Collimator for the optical fiber (FC-APC connectorized) 2 EGO 05-2007 SM-PM optical fiber 1.5 EGO Total expenditures 16.7 Item Cost (k€) Photodiodes 1-2 Electronics (LO Boards + demod) 2 Galvanometers and drivers (TBC) 5-10 Mirrors for spectrum analyzer 1 PC and acquisition board for testing purpose 2 Total foreseen expenditures 11-17 Date Funding institution Date 24/05/07 070206-bigotta 6 Production plan 2007 Tasks and Deliverables May Jun Jul Aug Sep Oct Tasks 1) test of the optical components (AOM, EOM, etc.) and set-up of some optical tools 2) test of the commercial photodiodes available 3) layout and realization of the electrical board and tests. 4) test of the LO board with the optical signals. 5) implementation of the PZT scanning system and/or of the galvo system (TBC) 6) Test of the whole device Deliverables Installation in situ 24/05/07 070206-bigotta 7