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Table 2 Influence of experimental factors on the effective excitation PSF (eff. exc. PSF)

From: Focusing characteristics of a 4 πparabolic mirror light-matter interface

Simulation

Lateral

Axial

  

HSA

FSA

HSA

FSA

Exc. PSF

ideal mirror (i.m.)

139 nm

142 nm

412 nm

253 nm

 

aberrated mirror (a.m.)

135 nm

135 nm

536 nm

 
 

i.m. with ion-extent

189 nm

192 nm

418 nm

266 nm

 

a.m. with ion-extent

189 nm

189 nm

542 nm

 

Eff. exc. PSF (measurement)

209±20 nm

237±10 nm

551±27 nm

 
  1. The full width at half maximum is given for illuminating full solid angle (FSA) and half solid angle (HSA) of the 4 π-PM, respectively. In case of illuminating the full solid angle and considering optical aberrations, no distinct peak can be identified along the axial direction