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Last modified by rangeadm on 2025-04-23 16:13
From version 8.1
edited by sndueste
on 2020-07-06 16:59
Change comment: There is no comment for this version
To version 9.1
edited by sndueste
on 2020-07-07 16:55
Change comment: There is no comment for this version

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1 -In order to simulate the temporal and spectral distribution of SASE pulses there is an easy way based random fluctuations filtered spectraly and temporally.
1 +In order to simulate the temporal and spectral distribution of SASE pulses there is an easy way based random fluctuations filtered spectrally and temporally.
2 2  
3 -The only input parameters are the spectral bandwidth and the pulse duration.
3 +The only input parameters are the center wavelength, spectral bandwidth and the pulse duration.
4 4  
5 -Here you can find a small python script (by (% class="twikiNewLink" %)MartinB(%%)) implementing the partial coherence methode as described in Thomas Pfeifer et al. //Partial-coherence method to model experimental free-electron laser pulse statistics,// Opt. Lett. 35, 3441-3443 (2010); [[link to the paper>>url:http://dx.doi.org/10.1364/OL.35.003441||shape="rect"]]
5 +Here you can find a small python script (by (% class="twikiNewLink" %)MartinB(%%)) implementing the partial coherence method as described in:
6 6  
7 -The pulse shapes in time AND corresponding spectral dstribution can be easily created with:
7 +* **Thomas Pfeifer et al. //Partial-coherence method to model experimental free-electron laser pulse statistics,// Opt. Lett. 35, 3441-3443 (2010);** [[link to the paper>>url:http://dx.doi.org/10.1364/OL.35.003441||shape="rect"]]
8 8  
9 +\\
10 +
11 +The pulse shapes in time AND corresponding spectral distribution can be easily created with:
12 +
9 9  * (((
10 10  a python script
11 11  
... ... @@ -68,19 +68,28 @@
68 68  plt.show()
69 69  {{/expand}}
70 70  )))
71 -* a Jupyter Notebook** [[attach:GenerateSASE.ipynb]] **
75 +* or the same as a Jupyter Notebook** [[attach:GenerateSASE.ipynb]] **
72 72  
77 +==
78 +Some examples: ==
73 73  
74 -Some examples of results:
80 +//CentralEnergy=80 # in eV//
75 75  
76 -\\
82 +//bandwidth=0.5 # bandwidth in %//
77 77  
78 -[[image:attach:partia__coherence2.png]] or: [[image:attach:image2020-2-5_15-14-4.png||width="480"]]
84 +//dt_FWHM=10, 30., 70  # FWHM of the temporal duration on average//
79 79  
80 -\\
81 81  
87 +
88 +
89 + [[image:attach:2020-07-07 16_51_14-Window.png||height="250"]]
90 +
82 82  \\
83 83  
93 +[[image:attach:2020-07-07 16_53_22-Window.png||height="250"]]
94 +
95 +[[image:attach:2020-07-07 16_52_27-Window.png||height="250"]]
96 +
84 84  \\
85 85  
86 86  \\