Devices for Plasma Process.

PMT (photomultiplier tubes)

In the photosensor field, photomultiplier tubes (or PMT) are known to have particularly high sensitivity. PMT also have dozens of other advantages such as high-speed response time.

PMT modules

The PMT module is basically comprised of a photomultiplier tube to convert light into electrical signals, a high-voltage power supply circuit, and a voltage divider circuit to distribute the optimum voltage to each dynode, all assembled into a single compact case. In addition to these basic PMT modules, Hamamatsu also provides modules having various additional functions such as signal processing, cooling and interface to PC.

Mini-spectrometers

k_mini-spectrometer.jpg

HAMAMATSU mini-spectrometers are polychromators integrated with optical elements, an image sensor and a circuit. Light to be measured is guided into the entrance port of ï½”hrough an optical fiber and the spectrum measured with the built-in image sensor is output from the USB port to a PC for data acquisition.

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