Changes for page The FLASH HDF5 structure

Last modified by sndueste on 2025/02/06 10:55
From version 39.1
edited by sndueste
on 2021/02/09 11:53
Change comment: There is no comment for this version
To version 38.1
edited by sndueste
on 2021/02/09 10:51
Change comment: There is no comment for this version

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Content
... ... @@ -151,14 +151,12 @@
151 151  
152 152  \\
153 153  
154 -==== Photon Diagnostics SASE ([[GMD>>url:http://photon-science.desy.de/facilities/flash/photon_diagnostics/gmd_intensity_and_position/index_eng.html||shape="rect"]]) ====
154 +==== Photon Diagnostics SASE ([[GMD>>url:http://photon-science.desy.de/facilities/flash/photon_diagnostics/gmd_intensity_and_position/index_eng.html||shape="rect"]]) / Spectrometer (FLASH1) ====
155 155  
156 -\\
157 -
158 -(% style="color: rgb(0,0,0);" %)**Discontinued GMD data recording / evaluation  (VME + PhotonFlux ML server)**
159 -
160 160  {{code language="none"}}/FL1/Photon Diagnostic/GMD/Average energy/energy tunnel{{/code}}
161 -//always saved (PBD)//\\
157 +//always saved (PBD)//
158 +(% style="color: rgb(165,173,186);" %)New MTCA Version: DOOCS prop : {{code language="none"}}FLASH.FEL/XGM.PHOTONFLUX/FL1.TUNNEL/PHOTONFLUX.UJ{{/code}} (%%)
159 +(% style="color: rgb(165,173,186);" %)New MTCA Version: DAQ channel: {{code language="none"}}FLASH.FEL/XGM.PHOTONFLUX/FL1.TUNNEL/PHOTONFLUX.UJ{{/code}}
162 162  
163 163  (% style="color: rgb(0,0,0);" %)DOOCS prop : {{code language="none"}}TTF2.DAQ/PHFLUX/OUT04/VAL{{/code}} (%%)
164 164  (% style="color: rgb(0,0,0);" %)DAQ channel: {{code language="none"}}PBD.PHFLUX/TUNNEL.ENPULSEIC{{/code}}(%%)
... ... @@ -168,6 +168,9 @@
168 168  {{code language="none"}}/FL1/Photon Diagnostic/GMD/Pulse resolved energy/energy tunnel{{/code}}
169 169  //always saved (PBD)//
170 170  
169 +(% style="color: rgb(193,199,208);" %)New MTCA Version: DOOCS prop : 
170 +{{code language="none"}}FLASH.FEL/XGM.INTENSITY/FL1.TUNNEL/INTENSITY.TD{{/code}}New MTCA Version: DAQ channel: {{code language="none"}}FLASH.FEL/XGM.INTENSITY/FL1.TUNNEL/INTENSITY.TD{{/code}}
171 +
171 171  DOOCS prop : {{code language="none"}}TTF2.DAQ/PHFLUX/OUT34/VAL{{/code}}
172 172  DAQ channel: {{code language="none"}}PBD.PHFLUX/TUNNEL.ENERGYPULSE.USER{{/code}}
173 173  desc :Energy per pulse Tunnel (from e-) - the values are set to "0" if there was no SASE beam in the FEL
... ... @@ -183,6 +183,9 @@
183 183  {{code language="none"}}/FL1/Photon Diagnostic/GMD/Average energy/energy BDA{{/code}}
184 184  //always saved (PBD)//
185 185  
187 +(% style="color: rgb(165,173,186);" %)New MTCA Version: DOOCS prop : {{code language="none"}}FLASH.FEL/XGM.PHOTONFLUX/FL1.BDA/PHOTONFLUX.UJ{{/code}} (%%)
188 +(% style="color: rgb(165,173,186);" %)New MTCA Version: DAQ channel: {{code language="none"}}FLASH.FEL/XGM.PHOTONFLUX/FL1.BDA/PHOTONFLUX.UJ{{/code}}
189 +
186 186  DOOCS prop : {{code language="none"}}TTF2.DAQ/PHFLUX/OUT05/VAL{{/code}}
187 187  DAQ channel: {{code language="none"}}PBD.PHFLUX/BDA.ENPULSEIC{{/code}}
188 188  desc : calibrated average SASE Energy/pulse measured in the BDA (in the experimental hall) after the attenuator (ion current)
... ... @@ -191,6 +191,8 @@
191 191  {{code language="none"}}/FL1/Photon Diagnostic/GMD/Pulse resolved energy/energy BDA{{/code}}
192 192  //always saved (PBD)//
193 193  
198 +(% style="color: rgb(193,199,208);" %)New MTCA Version: DOOCS prop : 
199 +{{code language="none"}}FLASH.FEL/XGM.INTENSITY/FL1.BDA/INTENSITY.TD{{/code}}New MTCA Version: DAQ channel: {{code language="none"}}FLASH.FEL/XGM.INTENSITY/FL1.BDA/INTENSITY.TD{{/code}}(%%)
194 194  DOOCS prop : {{code language="none"}}TTF2.DAQ/PHFLUX/OUT35/VAL{{/code}}
195 195  DAQ channel: {{code language="none"}}PBD.PHFLUX/BDA.ENERGYPULSE.USER{{/code}}
196 196  desc :Energy per pulse BDA (from e-) - the values are set to "0" if there was no SASE beam in the FEL
... ... @@ -205,55 +205,6 @@
205 205  
206 206  \\
207 207  
208 -(% style="color: rgb(0,0,0);" %)**NEW (2021) GMD data recording / evaluation  (MTCA, analog to FLASH2 and XFEL)**
209 -
210 -{{code language="none"}}/FL1/Photon Diagnostic/GMD/Average energy/energy tunnel{{/code}}
211 -//always saved (PBD)//
212 -(% style="color: rgb(0,0,0);" %)DOOCS prop : {{code language="none"}}FLASH.FEL/XGM.PHOTONFLUX/FL1.TUNNEL/PHOTONFLUX.UJ{{/code}} (%%)
213 -(% style="color: rgb(0,0,0);" %)DAQ channel: {{code language="none"}}FLASH.FEL/XGM.PHOTONFLUX/FL1.TUNNEL/PHOTONFLUX.UJ{{/code}}
214 -
215 -desc : calibrated average SASE Energy/pulse measured in the TUNNEL upstream the gas attenuator
216 -units : microJ
217 -
218 -\\
219 -
220 -{{code language="none"}}/FL1/Photon Diagnostic/GMD/Pulse resolved energy/energy tunnel{{/code}}
221 -//always saved (PBD)//
222 -
223 -(% style="color: rgb(0,0,0);" %)DOOCS prop : 
224 -{{code language="none"}}FLASH.FEL/XGM.INTENSITY/FL1.TUNNEL/INTENSITY.TD{{/code}}DAQ channel: {{code language="none"}}FLASH.FEL/XGM.INTENSITY/FL1.TUNNEL/INTENSITY.TD{{/code}}
225 -
226 -desc : Energy per pulse measured in the Tunnel.  In addition measurement errors and beam position are included for EACH pulse in the pulse train  !! (see below)
227 -units : a.u. (more or less µJ but need to be calibrated with the "Average energy" for good precision)** [[see here for help>>doc:FLASHUSER.jddd-linked help pages.Calibrating the pulse resolved (electron) data from GMD.WebHome]]**
228 -
229 -{{info title="GMD pulse resolved data structure"}}
230 -For every pulse in the pulse train the information is saved:
231 -
232 -
233 -1. **Intensity per pulse** (a.u. (more or less µJ ))
234 -1. Intensity per pulse (auxillary GMD) - not used
235 -1. Position horizontal (mm, for a single pulse the position information may be very noisy  - talk to your local contact)
236 -1. Position vertical (mm, for a single pulse the position information may be very noisy  - talk to your local contact)
237 -1. **Intensity per pulse sigma** (a.u. (more or less µJ ), (% style="color: rgb(0,0,0);" %)This parameter gives an indication of the error of the measurement of the pulse energy. This takes signal to noise,  detector resolution, uncertainties in crossection etc into account. (it is NOT the measurement of the statistical fluctuation of the SASE pulses)(%%))
238 -1. Position horizontal sigma  (mm, indicates the error (RMS, sigma) of the measurement according to known uncertainties and signal to noise)
239 -1. Position vertical sigma  (mm, indicates the error (RMS, sigma) of the measurement according to known uncertainties and signal to noise)
240 -1. Combined warning and error flags
241 -
242 -The pulse energy and the error are plotted for the first bunch of the pulse trains saved in this 
243 -file
244 -
245 -
246 -[[image:attach:image2021-2-9_10-51-6.png||height="250"]]
247 -
248 -\\
249 -{{/info}}
250 -
251 -All values for the GMD are also available for the** BDA GMD **which is located in the experimental hall down stream the gas attenuator. If the attenuator is on the ratio between BDA and Tunnel signal shows the attenuation. **BUT NOTE** that the filter units  are downstream the GMD. So if filters  are used this influence is NOT measured by the GMD BDA !
252 -
253 -\\
254 -
255 -Besides  pulse energy the GMD also provides information about the beam position
256 -
257 257  {{code language="none"}}/FL1/Photon Diagnostic/GMD/Beam position/position BDA horizontal{{/code}}
258 258  //always saved (PBD)//
259 259  DOOCS prop : {{code language="none"}}FLASH.FEL/XGM.POSMON/FL1.BDA/IX.POS{{/code}}
... ... @@ -282,10 +282,6 @@
282 282  desc :Beam position of the photon Beam determined by the GMD (TUNNEL, y=vertical)
283 283  units : mm
284 284  
285 -\\
286 -
287 -==== Spectrometer (FLASH1) ====
288 -
289 289  {{code language="none"}}/FL1/Photon Diagnostic/Wavelength/Tunnelspectrometer/wavelength{{/code}}
290 290  _always saved (when Spectrum is measured !!) (PBD) _
291 291  DOOCS prop : {{code language="none"}}TTF2.EXP/PHOTONWL.ML/WAVE_LENGTH/VAL.TD{{/code}}
... ... @@ -684,14 +684,13 @@
684 684  desc : Energy per pulse measured in the Tunnel  (in front of the gas attenuator and the apertures in the Hall) In addition measurement errors and beam position are included for EACH pulse in the pulse train  !! (see below)
685 685  units : a.u. (more or less µJ but need to be calibrated with the "Average energy" for good precision)** [[see here for help>>doc:FLASHUSER.jddd-linked help pages.Calibrating the pulse resolved (electron) data from GMD.WebHome]]**
686 686  
687 -{{info title="GMD pulse resolved data structure"}}
688 688  For every pulse in the pulse train the information is saved:
689 689  
690 690  
691 691  1. **Intensity per pulse** (a.u. (more or less µJ ))
692 692  1. Intensity per pulse (auxillary GMD) - not used
693 -1. Position horizontal (mm, for a single pulse the position information may be very noisy  - talk to your local contact)
694 -1. Position vertical (mm, for a single pulse the position information may be very noisy  - talk to your local contact)
645 +1. Position horizontal (mm, for a single pulse the position informytion may be very noisy  - talk to your local contact)
646 +1. Position vertical (mm, for a single pulse the position informytion may be very noisy  - talk to your local contact)
695 695  1. **Intensity per pulse sigma** (a.u. (more or less µJ ), (% style="color: rgb(0,0,0);" %)This parameter gives an indication of the error of the measurement of the pulse energy. This takes signal to noise,  detector resolution, uncertainties in crossection etc into account. (it is NOT the measurement of the statistical fluctuation of the SASE pulses)(%%))
696 696  1. Position horizontal sigma  (mm, indicates the error (RMS, sigma) of the measurement according to known uncertainties and signal to noise)
697 697  1. Position vertical sigma  (mm, indicates the error (RMS, sigma) of the measurement according to known uncertainties and signal to noise)
... ... @@ -703,10 +703,8 @@
703 703  
704 704  [[image:attach:image2021-2-9_10-51-6.png||height="250"]]
705 705  
706 -\\
707 -{{/info}}
708 708  
709 -\\
659 +{{code language="none"}}{{/code}}
710 710  
711 711  All values for the GMD are also available for the** HALL GMD **which is located in the experimental hall down stream the gas attenuator. If the attenuator is on the ratio between Hall and Tunnel signal shows the attenuation. **BUT NOTE** that the filter unit and the Aperture 4 are downstream the GMD. So if filters and aperture are used this influence is NOT measured by the GMD hall !
712 712