Update Spectral data
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## Channel list
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## Channel & device list
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All PSSS data channels are listed in the following sheet:
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A standard channel naming is applied to the following devices:
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[Sheet of PSSS data channels](https://docs.google.com/spreadsheets/d/16Hz7MZR3E7-OmLHfakkT2K6yPMFUzp4eIFZxrzXWjFk/edit?usp=sharing)
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- SARFE10-PSSS059
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- SARFE10-PSSS059-LB
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- SAROP21-PMOS127-1D
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- SAROP21-PMOS127-2D
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- SAROP31-PMOS132-1D
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- SAROP31-PMOS132-2D
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- SATOP11-PSAS079
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All spectrometer data channels are listed in the following sheet:
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[Sheet of spectrometer data channels](https://docs.google.com/spreadsheets/d/16Hz7MZR3E7-OmLHfakkT2K6yPMFUzp4eIFZxrzXWjFk/edit?usp=sharing)
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## Nomenclature
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| Style | Meaning |
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|-------|---------|
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| SARFE10-PSSS059:**SPECTRUM**\* | Raw spectral data |
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| SARFE10-PSSS059:**FIT**\* | Results of Gaussian fit |
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| SARFE10-PSSS059:**SPECT**\* | Statistics from the raw (without fit) spectrum |
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| SARFE10-PSSS059:**AVG**\* | Data calculated from average (not single shot) spectra |
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| \<device name\>:**SPECTRUM**\* | Raw spectral data |
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| \<device name\>:**FIT**\* | Results of Gaussian fit |
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| \<device name\>:**SPECT**\* | Statistics from the raw (without fit) spectrum |
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| \<device name\>:**AVG**\* | Data calculated from average (not single shot) spectra |
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## Concepts
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@ -46,16 +57,16 @@ where the factor or 2.355 is included to allow these values to be comparable.
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**Spectral brightness**
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To quantify an increase in the spectral intensity in a narrowing bandwidth the so called Spectral brightness is calculated:
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To quantify an increase in the spectral intensity in a narrowing bandwidth, the so called Spectral brightness is calculated:
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$`\text{Spectral brightness} = \frac{\text{Single shot intensity [uJ]}}{\text{Single shot spectral FWHM [eV]}}`$
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At Aramis the current channel used for the single shot pulse intensity is:
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At Aramis, the current channel used for the single shot pulse intensity is:
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`SARFE10-PBPG050:FAST-PULSE-ENERGY`
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and the spectral FWHM uses the single shot spectral width. The result channel name is:
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`<SPECTROMETER:DEVICE>:FIT-BRT`
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indicating the data uses a Gaussian fit. Beware this data is only meaningful if the spectral intensity distribution is near Gaussian.
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and the spectral FWHM uses the single-shot spectral width. The result channel name is:
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`<device name>:FIT-BRT`
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indicating the data uses a Gaussian fit. Be aware that this data is only meaningful if the spectral intensity distribution is near Gaussian.
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## Data flow schematic
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@ -70,7 +81,7 @@ The PSSS has a dedicated server - sf-daqsync-11.psi.ch
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- SARFE10-PSSS059_store
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- 4 clients
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This pipeline sends the camera image directly to the image buffer
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This pipeline sends the camera image directly to the image buffer.
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**Channels**
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@ -81,7 +92,7 @@ This pipeline sends the camera image directly to the image buffer
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- SARFE10-PSSS059_psss
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- 13 clients
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This pipeline extracts the spectra, fits and produces the statistics
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This pipeline extracts the spectra, fits and produces the statistics.
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**Channels**
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