![Photomultipliers, explained by RP Photonics Encyclopedia; photon multiplier, photoelectric effect, multiplication, secondary emission, microchannel plates Photomultipliers, explained by RP Photonics Encyclopedia; photon multiplier, photoelectric effect, multiplication, secondary emission, microchannel plates](https://www.rp-photonics.com/previews/photomultipliers.png)
Photomultipliers, explained by RP Photonics Encyclopedia; photon multiplier, photoelectric effect, multiplication, secondary emission, microchannel plates
![Photomultipliers, explained by RP Photonics Encyclopedia; photon multiplier, photoelectric effect, multiplication, secondary emission, microchannel plates Photomultipliers, explained by RP Photonics Encyclopedia; photon multiplier, photoelectric effect, multiplication, secondary emission, microchannel plates](https://www.rp-photonics.com/img/photomultiplier.png)
Photomultipliers, explained by RP Photonics Encyclopedia; photon multiplier, photoelectric effect, multiplication, secondary emission, microchannel plates
![Photomultiplier Tube | Array Detector, Construction & Diagram - Video & Lesson Transcript | Study.com Photomultiplier Tube | Array Detector, Construction & Diagram - Video & Lesson Transcript | Study.com](https://study.com/cimages/videopreview/videopreview-full/how-photomultiplier-tubes-and-array-detectors-work_141509.jpg)
Photomultiplier Tube | Array Detector, Construction & Diagram - Video & Lesson Transcript | Study.com
![Molecular Expressions Microscopy Primer: Digital Imaging in Optical Microscopy - Concepts in Digital Imaging - Photomultiplier Tubes Molecular Expressions Microscopy Primer: Digital Imaging in Optical Microscopy - Concepts in Digital Imaging - Photomultiplier Tubes](https://micro.magnet.fsu.edu/primer/digitalimaging/concepts/images/photomultiplier.jpg)
Molecular Expressions Microscopy Primer: Digital Imaging in Optical Microscopy - Concepts in Digital Imaging - Photomultiplier Tubes
![A working curve is a plot of the analytical signal (the instrument or detector response) as a function of analyte concentratio A working curve is a plot of the analytical signal (the instrument or detector response) as a function of analyte concentratio](https://web.nmsu.edu/~esevosti/detector_files/image002.jpg)