LCLS Facility Planning for LCLS-II

2 LCLS vs. LCLS-II NowHXU - CuSXU - CuHXU - SCSXU - SC Photon Energy Range (eV) Repetition Rate (Hz) ,000 Per Pulse Energy (mJ)~ 4 ~ 8~ 0.2~ 1 Photons/Second~ ~ ~ GeV SC Linac In sectors 0-10 NEHFEH 14 GeV LCLS linac still used for x-rays up to 25 keV North side source: keV ( ≥ 100kHz) m

The scientific strategy for LCLS is being driven by the mid- to long- term potential of LCLS-II LCLS-II Science opportunities LCLS-II Science opportunities Prioritized 5-10 year budget Prioritized 5-10 year budget SAC July FY16+ April Strategic development plan Strategic development plan Assess how LCLS can address the “grand-challenges” Solicit community-wide input Compile a coherent document of “science opportunities” Derive characteristic performance parameters and technical requirements Perform facility-wide assessment of development needs Solicit community-wide feedback Define year-by-year requirements for R&D, new system deployment, commissioning, and operational delivery 3

4 Facility Response

5 LCLS-II Science Opportunities Mapping

6 Space is a Challenge

SXU: Flat Mirror 0.4 – 2.5 keV NEH 1.2 SXU: Flat Mirror 0.4 – 2.5 keV NEH 1.2 SXU: Flat Mirror keV NEH 1.2 SXU: Flat Mirror keV NEH 1.2 SXU: Bendable Mirror 0.25 – 1.2 keV NEH 2.1, NEH 2.2 SXU: Bendable Mirror 0.25 – 1.2 keV NEH 2.1, NEH 2.2 HXU: Flat Mirror 1 – 6 keV NEH 1.2 HXU: Flat Mirror 1 – 6 keV NEH 1.2 HXU: Flat Mirror 2.5 – 25 keV XPP, XCS, MFX, CXI, MEC HXU: Flat Mirror 2.5 – 25 keV XPP, XCS, MFX, CXI, MEC SXU: Monochromator 0.25 – 1.2 keV NEH 2.1, NEH 2.2 SXU: Monochromator 0.25 – 1.2 keV NEH 2.1, NEH 2.2 SXU: Bendable Mirror 0.25 – 1.2 keV NEH 2.1 SXU: Bendable Mirror 0.25 – 1.2 keV NEH 2.1 HXU: Flat Mirror keV NEH 1.2, XPP, XCS, MFX, CXI, MEC HXU: Flat Mirror keV NEH 1.2, XPP, XCS, MFX, CXI, MEC

8 Updated Layout – NEH 1 st Floor [Option 1]

9 Updated Layout – NEH Subbasement [Option 1]

10 Alternate Options – Option 1 SB 1st SB 1st

11 Alternate Options – Option 2 SB 1st SB 1st

12 Alternate Options – Option 3 SB 1st SB 1st

13 Distribution Optics

Horizontal Mirror deg Horizontal Mirror deg Horizontal Mirror deg Horizontal Mirror deg Vertical Mirror -2.1 deg Vertical Mirror -2.1 deg Horizontal Mirror +3.0 deg Horizontal Mirror +3.0 deg Vertical Grating Mono -4.9 deg Vertical Grating Mono -4.9 deg Horizontal Mirror +0.24/0.70 deg Horizontal Mirror +0.24/0.70 deg Horizontal Mirror deg Horizontal Mirror deg Horizontal Mirror deg Horizontal Mirror deg Angles are deflection and follow right hand rule!!! Front End Enclosure (FEE) Horizontal KB +1.6 deg Horizontal KB +1.6 deg Vertical KB +1.6 deg Z=XX m Vertical KB +1.6 deg Z=XX m +X +Z

15 Acceptance of FEE Mirrors Assumptions: ~120 m source to mirror distance ~ 67 m from end of SXU to FEE ~ 15 m from source to end of SXU ~ 35 m – length of FEE 950 mm mirror useable length 40% larger beam than diffraction limit DescriptionMirror AngleAcceptancePhoton Energy (2x FWHM) HOMS0.12 deg1.99 mm~ 2750 eV HXU Tender0.35 deg5.80 mm~ 1000 eV SXU Tender0.59 deg9.78 mm~ 375 eV AMO KB0.80 deg13.26 mm~ 265 eV 2 nd Floor1.05 deg17.41 mm< 200 eV 2 nd Floor KB1.50 deg24.87 mm< 200 eV Current HOMS

NEH “AMO 2.0” Horizontal KB +1.6 deg Z=23.8 m Horizontal KB +1.6 deg Z=23.8 m Vertical KB +1.6 deg Z=21.5 m Vertical KB +1.6 deg Z=21.5 m

Horizontal Mirror deg Z=11.3 m Horizontal Mirror deg Z=11.3 m Horizontal Mirror deg Z=12.3 m Horizontal Mirror deg Z=12.3 m Horizontal Mirror deg Z=XX m Horizontal Mirror deg Z=XX m Horizontal Mirror deg Z=XX m Horizontal Mirror deg Z=XX m NEH 1.2 – Tender X-ray Instrument

Vertical Mirror -2.1 deg Z=16.2 m Vertical Mirror -2.1 deg Z=16.2 m Horizontal Mirror +3.0 deg Z=21.5 m Horizontal Mirror +3.0 deg Z=21.5 m Vertical Grating Mono -4.9 deg Z=18.7 m Vertical Grating Mono -4.9 deg Z=18.7 m NEH 2.1 & nd Floor Beamlines

Vertical Mirror -2.1 deg Z=16.2 m Vertical Mirror -2.1 deg Z=16.2 m Horizontal Mirror +3.0 deg Z=21.5 m Horizontal Mirror +3.0 deg Z=21.5 m Vertical Grating Mono -4.9 deg Z=18.7 m Vertical Grating Mono -4.9 deg Z=18.7 m NEH 2.1 & nd Floor Beamlines M1 FEL sourceGratingSlit R M1 = 900 km R M1 = 12 km R M1 = 4 km R M1 = 3.8 km D. Cocco

Horizontal Mirror deg Z=XX m Horizontal Mirror deg Z=XX m Horizontal Mirror deg Z=26.7 m Horizontal Mirror deg Z=26.7 m Hard X-ray Mirrors (aka HOMS)

21 Instruments

22 Instruments (Concepts in Development) NEH 1.1NEH 1.2NEH 2.1NEH 2.2 Primary Science Area(s) Atomic & Molecular Physics High Field Physics Nonlinear Interactions Biology Materials Science Nonlinear Condensed MatterChemistry Condensed Matter Primary X-ray Techniques Electron/Ion Spectroscopy COLTRIMS Scattering PES XES High Res. RIXSModerate Res. RIXS Scattering XES Photon Energy Range eV eV eV Focal Spot Size3 µm / 200 nm1 µm3 x 10 µm3-5 µm Claim to FameMinimalist 200 nm focus Two FELs at the same time 6-m spectrometer(s)Catch all

23 End

24 Backup

25 Future Expansion of LCLS Complex SLAC has extensive infrastructure that will allow expansion New tunnels are possible north and south of existing LCLS tunnel (complete design for LCLS-II Phase I ) and could be optimized for long, high pulse energy, hard X-ray FEL’s Original research halls: ESA and ESB suitable for shorter, soft X-ray FEL’s

26 Coarse Cost Estimate (FY15 Dollars) FY16FY17FY18FY19FY20FY21FY22FY23Total NEH Mods Conceptual Planning NEH 1.1 – “AMO” NEH 1.2 – “Tender” NEH 2.1 – “HR RIXS” NEH 2.2 – “SXR” Hard X-ray Instruments Other (Data, Networks, etc.) TOTAL

27 NEH 1.1 – Atomic & Molecular Physics Measures energy & momentum of electrons & ions high repetition rateRare coincidence events (~10 -5 ) ⇒ high repetition rate – Torr vacuum requirement – Torr vacuum requirement Dynamic Molecular Reaction Microscope for Coincidence Imaging Dynamic Molecular Reaction Microscope for Coincidence Imaging

28 NEH 1.2 – Tender X-ray Instrument  sample shapes of individual, randomly-oriented molecules one-by-one

29 NEH 2.1 – High Resolution RIXS electron pairing energy ~20 meV Cuprate X-ray Raman Spectrum magnon bi-magnon phonon

30 NEH 2.2 – Monochromatic Soft X-ray

31 Schedule

32 Long Range Operations Schedule

33 Instrument/Area Leads NEH 1.1 Timur Osipov JC Castanga NEH 1.2 Andy Aquila Paul Montanez NEH 2.1/2.2 Georgi Dakovski Bill Schlotter Dave Rich Daniele Cocco Lin Zhang