photomultiplier

The company compiled and published an authoritative and very-widely used Photomultiplier Handbook.

PM tube, Photomultiplier tube.

Photomultiplier cosmic-ray observatories often make use of these mirrors for inexpensive large (1.0 m and above), lightweight mirror surfaces for sky-sector low and medium energy cosmic ray research.

Engstrom, Ralph W., Photomultiplier Handbook, RCA/Burle (1980).

All these near 8000 tiles in total are read out individually by wavelength-shifter fibers which illuminate small Silicon Photomultiplier(SiPM) mounted on each tile and insensitive to large magnetic field.

Flyckt, S.O. and Marmonier, C., Photomultiplier Tubes: Principles and Applications, Philips Photonics, Brive, France (2002).