Can we collect data yet?
time
Can we collect data yet? No. time
Can we collect data yet? No. Yes. time
Can we collect data yet? No. Yes, but no. Yes. time
First light! June 8, 2001 ALS BL 8.3.1
First light! June 8, 2001 ALS BL 8.3.1
First light! June 8, 2001 ALS BL 8.3.1
Problems?
Decoupling detector from sample
Beam stability
Does the beamline “know” we’re trying to collect?
Time of day Flux out of mono (nA)
Exercise wavelength (3 motors) Time of day Flux out of mono (nA)
Exercise wavelength (3 motors) Beam off Pinhole Time of day Flux out of mono (nA)
Exercise Theta (1 motor) Time of day Flux out of mono (nA)
Exercise Z2 (1 motor) Time of day Flux out of mono (nA)
Shutter stability
Time (s) Flux (nA)
Shutter stability before after
Detector comparison procedure RunIringExposeFramesXtal AXtal B
Detector comparison procedure beamline diff detectorQ210Q315125% SN Distance(mm)150 - Wavelength (A) Divergence (h)1.5 - Divergence (v) ~16.7% Flux (ph/s)1.1 x10 10 ~0
Detector comparison results beamline diff % frames multiplicity~100 - R merge (%)6.2(10.7)6.4(10.3)-3.1% I/sig(I)90.6(66.3)85.2(63.9)6.3% Ranom (%)4.1(4.7)4.1(4.5)0.0%
Detector comparison results beamline diff MADPPH % MPADPPH % FOM(SAD) % FOM(DM) % Rcryst (wARP) % Rfree (wARP) % CC (model) % CC (8.3.1 map)