Uniformity of Concentration Factor and BFL in Microlens Array for Image Detectors Applications

Giuseppe Martini,Enrico Randone,Mohammad Taghi Fathi,Silvano Donati

Uniformity of Concentration Factor and BFL in Microlens Array for Image Detectors Applications

2009

Giuseppe Martini
Enrico Randone
Mohammad Taghi Fathi
Silvano Donati

We report a 35x gain for a 32x32, 50-micron diameter polymer cast microlens array used to recover fill-factor loss in a SPAD array. Concentration spread is < 6% and BFL spread is <0.5µm.

Keywords:

Detector
Photon counting
Microlens
Materials science
Optoelectronics
Optics
concentration factor
optical testing

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