1. WP02 PRR: Master Oscillator and RF Reference Distribution
Production and Schedule
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2. GPS Rubidium Oscillator (GPS- Rb) Redundancy Controller
MO Schedule
Components
Manufactured by
Module Delivery
Installation
Commissioning
1 GC
GPS Rubidium Oscillator (GPS- Rb)
Company
This week
100 MHz Synthesizer
DESY
1.3 GHz Synthesizer
DESY (components by a company
Power Supply Module
2 GCs
As above
Redundancy Controller
Racks
DONE
Phase Noise Analyzer
RF Distribution Box
216 MHz & 10 MHz Box
1st December 2014: 1 GC ready
1st February 2015: all 3 GCs ready with inner rack cabling
Summer 2015 – Redundancy controller ready
Summer 2015 – MO commissioning in UG5
August 26th 2014, DESY
Krzysztof Czuba, ISE, WUT

3. REFM Boxes Component Summary
REFM Designator
REFM quantity
Component quantity per module
INCON
Interf. Tap Point
Link power amplifier
Stabilized amplifier
Power splitter
Frequency divider
TMCB
FMC for TMCB
FRED
PLL 3.9GHz
REFM-MO 12 1
REFM-KLM
REFM-Laser 3
REFM-INJ 2
REFM-39
REFM-L1
REFM-L2
REFM-Slave-L1
REFM-BC
REFM-L2.1
REFM-L2.2
REFM-L3.1 4
REFM-L3.2 8
REFM-L3.3
REFM-L3.4
REFM-Slave 23
REFM-CL
REFM-XTD 5
REFM-OPT 10
TOTAL 95 52 63 31 58 77 56
August 26th 2014, DESY
Krzysztof Czuba, ISE, WUT

4. REFM Boxes Component Status
Device
Status
INCON
Prototype in production, tests in September
Interferometer Tap Point
Autotuning version under development, prototype expected in October/November
Link power amplifier
COTS
Stabilized amplifier
2nd version developed. Expected beginning Nov. ‘14
Power splitter
Available
Frequency divider
Available (DESY design)
TMCB
Available (on DESY purchase list)
FMC for TMCB
Expected in October ‘14
FRED
PLL 3.9GHz
Prototype running in FLASH. Copy planned for
August 26th 2014, DESY
Krzysztof Czuba, ISE, WUT

5. REFM Boxes Schedule 09.2014: INCON evaluation with manually tuned link
: REFM-MO design and prototype production
now : Development of autotuned interferometer tap point
: Mechanical design of boxes and variants
: Production of REFM-39 copy
: Production of REFM prototypes for Injector. Expected REFM- OPT.
03 – : Commissioning in XFEL
04 – : Finalizing designs and launching production in company (probably the same as for LLRF LOGM devices)
August 26th 2014, DESY
Krzysztof Czuba, ISE, WUT

6. REF Distribution Status and Schedule
Cabling was designed and ordered
MO prototype is now running in XFEL. Sufficient to commission surrounding devices.
1 MO Generation Channel (final performance) by Nov. 2014: fits to planned MLO and optical links commissioning end 2014/begin 2015
Until final REFM development we have portable, temporary REFM sufficient for entire RF station commissioning
Interferometer installation must follow RF station installations (cryomodules  racks  REFM boxes  final cabling  commissioning)
we plan to install first REFM boxes and run links synchronized to MO
Following installations will deliver signals further along the machine
Plan to „catch” RF stations installation schedule in autumn 2015
Last station (according to PIT) is planned for
Commissioning of last station REF distribution should be the end of RF Synchronization project
All systems phase synchronized to the the RF Master Oscillator
RF signal phase adjusted to the MO with 10 fs accuracy at each of 10 optical system outputs
In case of optical system failure, the coax distribution should still deliver signals but with limited performance
Main drive line as a cascade of IMx interferometers
IMx interferometers are redundant
August 26th 2014, DESY Krzysztof Czuba, ISE, WUT

7. Thank you for attention!
Milestones
Thank you for attention!
August 26th 2014, DESY
Krzysztof Czuba, ISE, WUT