The _____ of a detector is the fraction of incident photons that produce a photoelectron or electron-hole pair
∙ a. Responsitivity
∙ b. Photon efficiency
∙ c. Aperture
∙ d. Quantum efficiency
∙ a. Responsitivity
∙ b. Photon efficiency
∙ c. Aperture
∙ d. Quantum efficiency