Alba, 13 December 2012Detectors at BL22 – CLÆSS 1 of 8 Detectors at BL 22 - CLÆSS

Alba, 13 December 2012Detectors at BL22 – CLÆSS 2 of 8 End station SDD and CdTe Amptek detectors

Alba, 13 December 2012Detectors at BL22 – CLÆSS 3 of 8 Ionization chambers Beam position 30 µA ~ photons/sec!

Alba, 13 December 2012Detectors at BL22 – CLÆSS 4 of 8 Alba electrometers Offset measured with disconnected IC (most honest way) With all connections done and HV on, the dark current is in 10 fA range! Present version:  0.4 mV noise at 10 V output  12 bit on-board ADC  Sampling at 1 kHz  Cheap Next version:  18 bit on-board ADC  Sampling at 200 kHz  On-the-fly operations on channels  Also cheap

Alba, 13 December 2012Detectors at BL22 – CLÆSS 5 of 8 Amptek fluorescence detectors A typical energy resolved fluorescence spectrum: Two fluorescence detectors at Alba/CLÆSS beamline:

Alba, 13 December 2012Detectors at BL22 – CLÆSS 6 of 8 Amptek fluorescence detectors XR-100SDDXR-100T-CdTe

Alba, 13 December 2012Detectors at BL22 – CLÆSS 7 of 8 Fluorescence detection in high resolution Core Level Emission Analyzer and Reflectometer (CLEAR) Compatible with common in-situ cells, cryostats and a magnet, with no side window required Static acquisition, no θ–2θ scans 3 Johansson-like diced Si crystals with in-situ exchange Sagittal crystal bending, 1D detector Serves for RIXS, reflXAFS and polarimetry

Alba, 13 December 2012Detectors at BL22 – CLÆSS 8 of 8 Detectors at CLEAR MaxipixMythen Image dimension1280× Active area (mm 2 ) 71×1464×8 Power consumption (W) 305 Dynamic range< 2 14 /pixel × 2 8 pixels 2 24 /strip Size (mm 3 )140×140×22072×100×25 S (Large area PIN PD) + H4083 (Charge amplifier) 1) Position sensitive detector 2) Point detector