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Optical & Vacuum Equipment Layouts

Optical & Vacuum Equipment Layouts. Dennis Coyne Mike Smith Luke Williams 20 Nov 2008 Adv. LIGO Team Meeting, Caltech, Pasadena, CA. SUBSYSTEM ASSEMBLIES. OPTICAL LAYOUT CONSTRAINTS & REQUIREMENTS. ZEMAX OPTICAL LAYOUT. SOLIDWORKS OPTOMECHANICAL ENVELOPE LAYOUT. SOLIDWORKS

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Optical & Vacuum Equipment Layouts

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  1. Optical & Vacuum EquipmentLayouts Dennis Coyne Mike Smith Luke Williams 20 Nov 2008 Adv. LIGO Team Meeting, Caltech, Pasadena, CA G0810007-v2

  2. SUBSYSTEM ASSEMBLIES OPTICAL LAYOUT CONSTRAINTS & REQUIREMENTS ZEMAX OPTICAL LAYOUT SOLIDWORKS OPTOMECHANICAL ENVELOPE LAYOUT SOLIDWORKS OPTOMECHANICAL DETAIL LAYOUT Methodology • ZEMAX and SolidWorks are key tools • SolidWorks models are stored in the Adv. LIGO Project PDMWorks vault • Import/export : manual or automated G0810007-v2

  3. Known • All cavity lengths • All COC and IO cavity optic positions • For each individual interferometer, H1, H2, L1 • All COC and IO wedge angles, orientations and tolerances • Beam dump & baffle locations G0810007-v2

  4. References/Sources • Zemax models • SolidWorks Assemblies in the PDM Works vault: • D08xxxx_aligo_io_aos_nonfolded_layout.SLDASM • D08xxxx_aligo_io_aos_folded_layout.SLDASM • References (available from the Systems wiki): • Optical Layout for Advanced LIGO, T010076-02 • Defines constraints, payload element properties and rationale • Will be revised for the Systems FDR (before Apr-2009) • Optic Coordinates and Cavity Lengths (for Stable Recycling Cavities), T080078-05 • The definitive source – has tables with parameters & images of table layouts • Recycling Cavity Mirror Normal Vectors for H1, H2, and L1 (for Stable Recycling Cavities), T080258-00 • BS, CP, and ITM Wedge Angle Tolerance, T080277-02 • COC Polishing Specifications Spreadsheet • To be a Table in the COC Final Design Report, E080494 • The most convenient reference for COC & RC optic parameters G0810007-v2

  5. Unknown or TBD • Optical lever beam layouts • TCS CO2 beam paths are preliminary • TCS Hartmann paths are preliminary • ISC Table layouts are preliminary (HAM1/7 & HAM6/12) • … and not yet integrated into the overall layout • PSL/IO Table layouts are preliminary? • … and not yet integrated into the overall layout (not necessary?) • H2 • Layout in HAM8 is preliminary & tight – may require a move of the chamber • Independent check of Zemax • The PDMWorks vault is a mess! • Needs a lot of clean up for rational layout completion • Need a systematic and practical approach for layout at the full interferometer scale and at the local chamber detail scale • Revised Payload Mass Properties (E040136-00) G0810007-v2

  6. Vacuum Equipment (VE)Rearrangement for LHO POSSIBLY LONGER H2 INPUTMANIFOLD TUBE TO RELEIVEHAM8 PAYLOAD CONJESTION NEW INPUT/OUTPUT MANIFOLD TUBES(4 PLACES) MOVE THE MID STATION H2 BSC CHAMBERS TO THE END STATIONS(2 PLACES) G0810007-v2

  7. Zemax layout examples (from T080078-05) HAM1 HAM3 G0810007-v2

  8. Vertex Layout BSC3 • ITMy (BSC1) and BS (BSC2) chambers not shown HAM4 BS ITMy HAM3 N.B.: Outriggers for the BS will be skewed from positions shown to fit to optics table. G0810007-v2

  9. Input Optics Section New Larger DiameterInput Manifold HAM3 HAM2 HAM1(ISC Readout Chamber) Vacuum Septum Plate G0810007-v2

  10. MC1 MC2 PR3 FI PRM HAM2 G0810007-v2

  11. HAM3 MC2 TOPR3 FROM BS PR2 N.B.: Baffles are not shown. G0810007-v2

  12. BSC-ISI Seismic Assembly, Stage-0 “ring” Arm Cavity BaffleEnvelope Support Tubes ITMx, H2Envelope ETM TransmissionTelescope Envelope New Vacuum Spools H1/H2 End Station G0810007-v2

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