High QE Multialkali Photocathode

New Electro–Optical Design

28 mm (1-1/8 Inch) Diameter, 9-stage, Side-on Type

GHigh Cathode Sensitivity

Luminous ................................................. 450

µA/lm (Typ.)

Radiant at 450 nm (peak) ........................ 85 mA/W (Typ.)

Quantum Efficiency at 260 nm (peak) .... 26.3 % (Typ.)

GHigh Anode Sensitivity at 1000 V

Luminous ................................................. 4500 A/lm (Typ.)

Radiant at 450 nm (peak) ........................ 8.5

GWide Spectral response ............................. 185 nm to 900 nm

GHigh Signal to Noise Ratio

GNewly Designed Electro Optical Structure

GBiomedical Fluorescence Detection

GLaser Scanning Detection

GSpectroscopy

GSemiconductor Inspection

GEnvironmental Monitoring

Figure 2: Typical Spectral Response

Figure 1: Electro optical Structure

TPMSB0201EA

TPMSC0024EB

PHOTOMULTIPLIER TUBE

R9220

FEATURES

APPLICATIONS

100

10

1

0.1

100

200

300

400

500

600

700

800

900 1000

WAVELENGTH (nm)

0.01

QUANTUM

EFFICIENCY

CATHODE

RADIANT

SENSITIVITY

LIGHT

PHOTOELECTRON

TRAJECTORIES

GRID

GLASS BULB

ANODE

9th DYNODE

PHOTOCATHODE

2nd DYNODE

1st DYNODE

Information furnished by HAMAMATSU is believed to be reliable. However, no responsibility is assumed for possible inaccuracies or omissions. Specifications are

subject to change without notice. No patent rights are granted to any of the circuits described herein. ©2006 Hamamatsu Photonics K.K.

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