{avg. number of photons per seed pulse, contrast (%)}
{{1., 27.947567746963266}, {1.4523195075603106, 39.95966273140963}, 
 {2.1092319520402234, 56.763793418863386}, 
 {3.06327870991753, 79.91936971297638}, {4.4488594275074105, 
  111.18906194174814}, {6.461165332962608, 152.32678628456378}, 
 {9.383676454634008, 204.71672542541043}, {13.628096367699344, 
  268.92208059747765}, {19.792350205721572, 344.3067749381619}, 
 {28.744816304234764, 428.95001575968877}, {41.746657459877824, 
  519.9850926650131}, {60.629485004418726, 614.2875683201951}, 
 {88.05338380525264, 709.2323786296996}, {127.88164700706359, 
  803.2049397552621}, {185.72501060730002, 895.7021382559196}, 
 {269.7320559468275, 987.0784228364442}, {391.73712666592667, 
  1078.1361992042991}, {568.9274708925498, 1169.7578414791208}, 
 {826.2644643642006, 1262.6850529562178}, {1200., 1357.4494526620579}}