THORLABS PMTSS, Руководство пользователя

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PMTSS Chapter 8: Specifications
Rev B, August 9, 2016 Page 13
Chapter 8
Specifications
8.1. General Specifications
Specification Value
Module Dimensions PMTSS 5.20
” x 1.26” x 2.50”
(132.0 mm x 32.1 mm x 63.5 mm)
PMTSS2
10.18” x 8.09” x 3.40”
(258.5 mm x 205.5 mm x 86.4 mm)
PMTSS2-SCM
8.09” x 2.43” x 3.40”
(205.5 mm x 61.8 mm x 86.4 mm)
Operating Temperature
+15 to +40

C
Storage Temperature
-20 to +50

C
Input Voltage
+ 15 V DC
Input Current (Max)
7 mA
Output Signal Current
10 µA (Max)
Weight
PMTSS 0.3 kg
PMTSS2 1.4 kg
PMTSS2-SCM 0.9 kg
8.2. Performance Specif i cations
Specification Value
PMT Type Multialkali
Photocathode Geometry Side On
Spectral Response 185
– 900 nm
Peak Wavelength
(λ
p
) 450 nm
Radiant Sensitivity
at λ
p
a
(Typical) 105 mA/W
Quantum Efficiency at λ
p
a
(Calculated) >28%
Photocathode Active Area 0.15" x 0.51"
(3.7 mm x 13.0 mm)
Dark Current 2.0 nA (Typical); 10 nA (Max)
Warm-Up Time Before Control Voltage
b
30
– 60 minutes
Rise and Fall Time 1.4 ns
Settling Time
c
10 s
Gain (Max) >1.0 x 10
7
PMT Voltage +250
– 1000 V
PMT Control Voltage +0.25
– 1.2 V via M8 x 1 Power Connector
Recommended Control Voltage Adjustment
Range
+0.25
– 1 V
Window UV-Transmitting Glass ( n = 1.48)
a. Radiant Sensitivity (RS) is related to quantum efficiency (QE) by the following expression:
𝑄𝐸 (%) =
𝑅𝑆 (𝑚𝐴/𝑊)
𝜆 (𝑛𝑚)
𝑥 124
b. The dark current rate specification is valid when the PMT has been turned on in the dark, no control voltage has
been applied during the specified warm-up time, and no signal has been incident during the specified warm-up time.
c. The time required for the output to reach a stable level for control voltage adjustment from +1 V to +0.5 V.