P61 BEAMLINE. Calculations of beamline characteristics Version 2.3

Transcription

1 P61 BEAMLINE Calculations of beamline characteristics Version.3

2 PHOTON FLUX FROM WIGGLERS FOR P61 1E E+13 1 mm x 1 mm aperture Flux (ph/s/.1%b.w.) 1E E+1 P61A (m) 1E E+ 9 1E+9 Page 1.E+11 (133m) Flux from each wiggler starting from 133m away 5 1.E+ Energy (kev) 15 1.E+9 Total Flux Total Flux HZG Last Wiggler 9th 8th 7th 6th 5th 4th 3rd nd 1st

3 FILTERED FLUX FOR P61A 1.E+1. x 5 15.E+1 Total Flux HZG 1x FE filter x FE filters Flux (ph/s/.1%b.w.) 1.6 x1.6e E+1 3x FE filters 3x FE filters + 4 mm C 1. x1.e E+1 P61A 1 mm x 1 mm m at end of optics hutch 8. x8.e E+11 Filtered flux 4.1E x4.e x1.e E+9 Energy (kev) Page 3

4 FILTERED FLUX FOR 1.E x 15 1.E+1 Total Flux 5um Cu & 3um CVD-dia 1.E+1 1. x 1 um Cu & 6um CVD-dia 1.E+1 Flux (ph/s/.1%b.w.) 15um Cu & 9um CVD-dia 15um Cu & 9um CVD-dia & 4.mm C 8.E x 8.1E+11 1 mm x 1 mm 133m at end of optics hutch 6.1E+11 6.E x x4.e E+11 Filtered flux. x.e E x1.e E+9 5 Energy (kev) Page 4 15

5 BEAM SIZE ESTIMATION BY FLUX COMPARISON x E+11 FE-85.5m Flux (ph/s/.1%b.w.).7 1 x 1 mm.75e+11 P61A-m -133m.7E+11.65E x 1.15 mm.6e+11.55e x 1.5 mm.5e+11.45e e+11 1x FE filters.5 mm Al exit window.3 5 Energy (kev) 15.35E+11.3E+11 Page 5

6 COMPARISON OF FLUX WITH OTHER WIGGLER AND BENDING MAGNET HIGH-PRESSURE BEAMLINES 13 1.E ID- NSLS Flux (ph/s/.1%b.w.) (developing) 16 Wigglers Bending Magnets 1 mm x 1 mm aperture 1 1.E+1 1.E+1 FS-PEX Filter ed flu x ( wigglers) X17B NSLS 11 1.E+11 BL4B1 SPring-8 XAS, D-DIA Australia 9 1.E+9 (developing) 5 1.E+11 (decommissioned) 6-BM APS 1.E+ Energy (kev) Page 6 1.E E+ 1.E+9

7 COMPARISON OF FLUX WITH EXISTING HIGH-PRESSURE BEAMLINES, INCLUDING ID6 AT ESRF 14 1.E+14 Flux (ph/s/.1%b.w.) 6 8-ID- 1.E NSLS (developing) 1 16 Wigglers Bending Magnets 1 mm x 1 mm aperture ID6 ESRF (undulator, after mono) 1 1.E+1 F ilter ed flu x FS-PEX ( wigglers) 1.E BM APS BL4B1 SPring E+9 1.E+13 1.E+1 1.E+11 1.E+ 1.E E+ 1.E+9 Energy (kev) NATURALLY, UNDULATOR FLUX AT ESRF IS VERY HIGH, EVEN AFTER A MONOCHROMATOR (FACTOR X LESS). HOWEVER, ONLY AD-XRD IS POSSIBLE AT FIXED ENERGY, SO SOME STUDIES ON AMORPHOUS, LIQUID AND LOW-Z MATERIALS WOULD BE CHALLENGING. Page 7

8 FLUX DENSITY PROFILES FOR PEAK FLUX AT 5 KEV x15 Flux density (ph/s/mrad/.1%b.w.) Flux density (ph/s/mrad/.1%b.w.) Distance (mm) 3 3 Beam size at x 15 Horizontal axis Vertical axis 5 kev 5 kev Horizontal axis Vertical axis Page Distance (mm)

9 COMPARISON OF FLUX DENSITY WITH OTHER WIGGLER AND BENDING MAGNET BEAMLINES Flux density (ph/s/mrad/.1%b.w.) 1E E+17 FS-PEX 1E ID- NSLS 1.E+16 1E E+15 X17 NSLS 1E E BM APS BL4B1 Spring-8 1E+1 1 1E E+14 (decommissioned) 1.E+13 1.E+1 XAS, Australia 5 Energy (kev) 15 1.E+11 Page 9

10 COMPARISON OF GAUSSIAN APPROXIMATED (G.A.) BRILLIANCE WITH OTHER WIGGLER AND BENDING MAGNET BEAMLINES G.A. Brilliance (ph/s/mrad/mm/.1%b.w.) 1E Page E+19 FS-PEX 1E ID- NSLS 1E E+17 1E BL4B1 Spring-8 1E E E+16 1.E+15 6-BM APS 1E E E+18 X17 NSLS 1.E+14 1.E+13 XAS, Australia 5 Energy (kev) 15 1.E+1

11 Power per unit solid angle (kw/mrad^) CUMULATIVE POWER DENSITY FROM ALL WIGGLERS 45 4 Horz Vert Full Emission 5.3 CVD-C &.5 Cu Filtering Horizontal distance (mm) Power density at PS in OH (133 m from last wiggler) Power density (W/mm^) 16 Horz Vert Horizontal distance (mm) Page 11

12 CUMULATIVE POWER FROM ALL WIGGLERS AFTER 1 X 1 MM APERTURE IN FRONT END (85.5 M) AND AT OH (133 M) 4 35 Total power (W) m FE PS Total power assuming: 1 x 1 mm aperture in Front End 34 m P61A OH m OH CVD-C &.15 Cu.6 CVD-C &.1 Cu Page 1.3 CVD-C &.5 Cu No filter Filter thickness in mm

13 TOTAL UNFILTERED POWER FROM ALL WIGGLERS FOR RANGE OF APERTURES IN PS AT OH (133 M) Total power in PS at OH of P61A and Total power in aperture (W) 4 Max. power at 85.5 m thru 1 x 1 mm P61A Max. approx. beam size (1.15x1.15) Max. approx. beam size (1.5x1.5) Aperture (mm ) Page 13

14 TOTAL FILTERED POWER (INCL..5 MM AL EXIT WINDOW), IN P61A OH ( M) Total power at P61A OH ( m from last wiggler) Total power in aperture (W) 4 35 No filters x FE filters x FE filters 3x FE filters 3x FE+4 mm C Aperture (mm ) Page

15 TOTAL FILTERED POWER (INCL..5 MM AL EXIT WINDOW), IN EH (139 M) TO CMOS CAMERA/BEAMSTOP Total power to beam stop / CMOS camera at EH (139 m from last wiggler) 4 Total power in aperture (W) 35 No filters 3 5 3x FE filters 15 3x FE + 4 mm C 3x FE+4 mm SiC x FE+4 mm C + 5 mm Al.5 3 Aperture (mm ) Page 15

16 FILTERED POWER COMPARISON WITH BL4B1 BEAMLINE AT SPRING m from source FE filters (3x) +.5 mm Al 8 FE filters (3x) +.5 mm Al + 4 mm C FE filters (3x) +.5 mm Al + 4 mm SiC FE filters (3x) +.5 mm Al + 8 mm SiC <- Beam size limit for Power (W) 53 Known 'safe' operationof scmos camera.9 FE filters (3x) +.5 mm Al mm Al 4 mm C + 5 mm Al FE filters (3x) +.5 mm Al + 8 mm C + 5 mm Al mm Al.5 5 mm Al.1 BL4B1 3 m from source Typical max. beam size at BL4B1 -> Aperture (mm^) Page BL4B1 SPring-8 Japan

17 DENSAMET (W95NI3FE) BLADE THICKNESS FOR POWER SLITS IN EH AT ~133M TO NEARLY ABSORB ALL X-RAYS 1.E Flux vs slit blade thickness (mm) for 1.5 x 1.5 mm beam size at 133m in OH 1 1.E+1.1 Flux (ph/s/.1%bw) 11 1.E E E E E E+6 1.E+13 1x FE filter +.1 mm Densamet.5 mm Densamet 1. mm Densamet 1.5 mm Densamet 1.E+1. mm Densamet.5 mm Densamet 3. mm Densamet 3.5 mm Densamet 1.E mm Densamet 4.5 mm Densamet 5. mm Densamet 5.5 mm Densamet 6. mm Densamet 1.E+ 6.5 mm Densamet 7. mm Densamet 7.5 mm Densamet 8. mm Densamet 1.E E E E Energy (kev) THIS RESULT SHOULD BE EQUIVALENT AT P61A AT M FOR BEAM SIZE OF 1.15 MM X 1.15 MM! Page 17

18 SUMMARY Source ID PETRA III NSLS DW Spring-8 BM.46 (mask).1 APS NSLS Australia BM DW DW Page 18 FE + 4mm C + 5 mm Al DW Total power (kw) ~.34 ~ Power density (W mm-1) > 34 At 85.5 m (FE) 15 at 139m (camera) 7 (filtered) at 139m (camera).5 (filtered) at 139m (camera) 7 at 8m 17 at 56m (sample).6 (filtered) at 8m 1.6 at 3m.4 (mm Al) at 3m.8 at 3m 6 at 3m 7 at 3m

19 BEAM SIZE

20 PXN HALL P61 HUTCH LAYOUT