SPR and photon yield for different designs. See gallery for different geometries.
Different expansion volumes with 2 component spherical lens:
Different expansion volumes with 3 component spherical lens:
Different lenses with prism EV (15 MCP):
Different number of bars in bar-box with prism EV (15 MCP, 3 component lens):
Different number of MCPs per prism (3 component lens):