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Hi-QE Photocathodes

UP TO 50% INCREASE IN QE DETECTION vs STANDARD

Photonis’ Hi-QE photocathode technology provides a unique combination of extremely low dark counts, fast response time, and a high quantum efficiency.
Hi-QE photocathodes are available in a variety of spectral detection ranges to fulfill specific application requirements.

Hi-QE photocathodes lower dark counts as much as 10X, while boosting QE 50% over traditional S20 or S25 photocathode technologies.
 

Photonis' Hi-QE photocathodes are available in four options, designed to heighten the spectral response across specific wavelengths when compared to broader spectral response photocathodes of S20 and S25.  The Hi-QE UV offers superior detection to 330nm, while the Hi-QE blue provides improved response through 400mn.  The Hi-QE green option provides unparalleled response from 400-550 nm, while the new Hi-QE Red photocathode is optimized for the 400-900nm spectral range, providing 50% greater quantum efficiency. At 650nm, Hi-QE Red provides 22% QE - versus 16% in the standard S25 photocathode. Notably, at 900nm the Hi-QE red photocathode offers a 50% improvement over the traditional S25 photocathode.

Hi-QE Photocathodes are available in these Photon Detectors:

Hybrid Photo Diodes

Image Intensifiers

MCP-PMT Detectors

Planacon Square MCP-PMT Detectors

Documentation


Hi-QE Brochure
Photon Detector Brochure