PHOTOMULTIPLIER TUBES
PRELIMINARY DATA
FEB. 2001
R8486, R8487
For Vacuum Ultraviolet Light Detection
Cs-Te (R8486), Cs-I (R8487) Photocathode, MgF
2
Window,
28 mm (1-1/8 Inch) Diameter, 9-stage, Side-on Type
FEATURES
Sensitivity in the Vacuum Ultraviolet Region
R8486.............................................................115 to 320 nm
R8487.............................................................115 to 195 nm
High Quantum Efficiency (at 121.6 nm)
R8486...............................................................22.5 % (Typ.)
R8487...............................................................26.0 % (Typ.)
High Anode Sensitivity
R8486 (at 254 nm)................................5.2
脳
10
5
A/W (Typ.)
R8487 (at 121.6 nm).............................1.0
脳
10
5
A/W (Typ.)
APPLICATIONS
Emission Spectroscopy, etc.
PMSF0093
GENERAL
Parameter
R8486
R8487
Spectral Response
115 to 320 115 to 195
Wavelength
200
130
of Maximum Response
Photocathode Material
Cs-Te
Cs-I
Window Material
MgF
2
Minimum Effective Area
8
脳
12
Circular-cage
Structure
Dynode
9
Number of Stage
Sb-Cs
Material
Direct
Approx. 4
Anode to Dynode No.9
Interelectrode Anode to
Approx. 6
Capacitances All Other Electrodes
Base
11-pin base JEDEC No. B11-88
Weight
45
Suitable Socket for Base (option)
E678-11A
Unit
nm
nm
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mm
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pF
pF
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g
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Figure 1: Typical Spectral Response
TPMSB0199EA
100
PHOTOCATHODE RADIANT SENSITIVITY (mA/W)
QUANTUM EFFICIENCY (%)
CATHODE
RADIANT
SENSITIVITY
10
1 QUANTUM
EFFICIENCY
R8486
R8487
0.1
0.01
100
200
300
WAVELENGTH (nm)
Subject to local technical requirements and regulations, availability of products included in this promotional material may vary. Please consult with our sales office.
Information furnished by HAMAMATS U 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.
漏
2001 Hamamatsu Photonics K.K.
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