Studies of Cookie/PMT Couplant


Measurements of M16 without couplant

Histograms of Signal and Cross-talk

   Single measurement without couplant

   Comparison of two measurements without couplant


Comparison of M16 with optical grease and no optical grease

Histograms of Signal and Cross-talk

   0.1 cc optical grease

   0.2 cc optical grease

   0.3 cc optical grease


Comparison of M16 with thin RTV film and dry

Histograms of Signal and Cross-talk

   thin RTV film placed between cookie and PMT face

   RTV cured between cookie and PMT face

   Second run of RTV cured between cookie and PMT face


Maps of fiber response relative to hottest fiber

   Dry Measurements

   Film and RTV Measurements

   Optical Grease Measurements