Devices for Blood inspection.

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.

Xenon lamps / mercury-xenon lamps

Xenon lamps emit a continuous spectrum with high luminance and high color temperature, ranging from the UV to visible to infrared range.

Hamamatsu Corporation Mercury Education Plan (US only)

Xenon flash lamps

Xenon flash lamps are more compact than continuous mode lamps and build up less heat. They provide a high-intensity continuous spectrum from deep ultraviolet light to ultraviolet light to visible light to infrared light.

Xenon flash lamp modules

Xenon flash lamp modules are compact devices that integrate a xenon flash lamp (2W or 5W), power supply, and trigger socket. They provide high intensity, high repetition flashes across a broad spectrum from ultraviolet to infrared.


The Immunochromato-Reader makes rapid, high sensitivity, quantitative measurements of color intensities for immunochromatographic reagents.

Si photodiodes


Featuring high sensitivity and low dark current, these Si photodiodes are specifically designed for precision photometry and general photometry/visible range.



Si APDs are high-speed, high sensitivity photodiodes having an internal gain mechanism, and can be used in measurements at very low light levels.

APD modules


These are high-speed, high-sensitivity photodetectors using an APD. An APD, a low-noise amplifier, and a bias power supply are assembled together in a compact case. Simply connecting to a low voltage DC power supply allows light measurements with an S/N level dozens of times higher than PIN photodiodes.



The MPPC is one of the devices called silicon photomultipliers (SiPM). It is a photon-counting device using multiple APD (avalanche photodiode) pixels operating in Geiger mode. Although the MPPC is essentially an opto-semiconductor device, it has excellent photon-counting capability and can be used in various applications for detecting extremely weak light at the photon counting level. Various types of devices with different pixel sizes and package types are prepared.

MPPC modules


MPPC modules are photon-counting modules that contain an MPPC (multi-pixel photon counter) capable of detecting extremely low-level light. These modules deliver excellent photon-counting characteristics by extracting maximum MPPC performance.



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 through 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.

Optics modules


Optics modules for absorbance measurement featuring high blocking performance and low noise. It is composed of Si photodiodes, beam splitters, filters, and current-to-voltage conversion circuit.



Light emitting diodes (LED) are opto-semiconductors that convert electric energy into light energy. Compared to laser diodes (LD), LEDs offer advantages such as lower cost and longer service life. Hamamatsu provides high output power LED ideal for optical switches, encoders, surveying and optical communication.

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