1. LIGO-G060210-00-M April 5, 2006 Interferometer Sensing and Control (ISC) Cost and Schedule Breakout Presentation NSF Review of Advanced LIGO Project Richard Abbott CIT

2. LIGO-G060210-00-M April 5, 2006 2 ISC Description & Deliverables Spares included in deliverable costing In-vacuum Photo-detectors WBS 4.1 ($914k) » Radio Frequency (RF) detectors ($268k) » Alignment Sensing & Control (ASC) detectors ($506k) » DC Readout detectors ($140k) Readout & Signal Conditioning Electronics ($859k) » RF Readout Chain WBS 4.2 ($179k) » ISC Signal Conditioning Electronics WBS 4.3.2 ($327k) » RF Signal Source WBS 4.3.4 ($159k) » ASC RF Demodulation WBS 4.3.5 ($194k) Digital Controls ($1.13M) » Real-time Processing & Networking WBS 4.3.1 ($469k) » ISC Analog-to-digital Converters (ADCs) WBS 4.3.3 ($657k)

3. LIGO-G060210-00-M April 5, 2006 3 ISC Description & Deliverables (cont.) Software ($715k Labor) » Real-time Software WBS 4.4 ($412k) » Diagnostic and Supervisory Software WBS 4.5 ($303k) Video Monitoring System WBS 4.6.2 ($401k) ISC Sensing Tables WBS 4.6.3 ($1.314M) Output Mode Cleaner WBS 4.7.1 ($303k) Vacuum Detection Infrastructure WBS 4.8 ($740k) Seismic Platform Interferometer WBS 4.9 ($577k) Fabrication Testing and Validation WBS 4.7 ($473k)

4. LIGO-G060210-00-M April 5, 2006 4 ISC Work Breakdown Structure

5. LIGO-G060210-00-M April 5, 2006 5 ISC Schedule Highlights

6. LIGO-G060210-00-M April 5, 2006 6 ISC Major Milestones

7. LIGO-G060210-00-M April 5, 2006 7 Subsystem Interfaces Optical » Pre-stabilized Laser (PSL) » Input Optics (IO) Mechanical » Optical tables » Vacuum penetrations Electronic » PSL » Drive control of optical suspensions » Timing system for clocking for converters » RF Distribution System » Mode-cleaner (MC) Length » Data Acquisition (DAQ)

8. LIGO-G060210-00-M April 5, 2006 8 ISC Cost by WBS ISC Cost Estimate in Base Year 2006 Dollars (Including Contingency)

9. LIGO-G060210-00-M April 5, 2006 9 Subsystem Cost Estimating Basis Cost estimating reliant on extrapolation from initial LIGO experiences due to custom nature of electronics » Wherever possible, representative quotes taken from industry –PCB manufacturing facilities (PCB Express) –Circuit board stuffing (Screaming Circuits) –Huntington Vacuum etc. for standard vacuum parts –Accuglass Vacuum connections Estimates for LIGO designed electronics based on repackaging of existing designs wherever applicable Travel » Estimated based on LIGO 1 experience and extrapolated complexity to Advanced LIGO

10. LIGO-G060210-00-M April 5, 2006 10 ISC Staffing Profile

11. LIGO-G060210-00-M April 5, 2006 11 ISC Risks and Concerns In-vacuum Electronics » Thermal Management » Reliability » Ease of repair Optical damage of photo-detector elements

12. LIGO-G060210-00-M April 5, 2006 12 Safety Practices Laser Safety » Laser safety practices will be in accordance with standing approved LIGO laser safety practices Electrical Safety » Systems with hazardous electrical voltages such as photo- diode bias supplies will be designed and used in accordance with approved LIGO electrical standards and procedures