Responding from 200nm

DH_3 Multi-Alkali Photomultiplier (200-850nm)
S20 end-window photocathode PMT

DH_3_BI Bi-Alkali End-Window Photocathode (200-600nm)
End-window KCs photocathode bi-alkali PMT

DH_30 Multi-Alkali Photomultiplier (200-850nm)
Side-window S20 photocathode PMT

DH_30_TE Cooled Multi-Alkali Photomultiplier (200-900nm)
Thermo-electrically cooled, side-window S20 photocathode PMT

DH_50 Cooled Multi-Alkali Photomultiplier (200-930nm)
Thermo-electrically cooled, end-window S20 photocathode PMT (200-930nm)

DH_Si Silicon Photodiode (200-1100nm)
10x10mm UV enhanced silicon photodiode