THORLABS SPDMA, Руководство по эксплуатации

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MTN025859_D02
SPDMA 5 Appendix
5 Appendix
5.1 Technical Data
All technical data are valid at 45 ± 15% rel. humidity (non condensing).
Item # SPDMA
Detector
Detector Type Si APD
Wavelength Range 350 nm - 1100 nm
Diameter of Active Detector Area
500
m
m
Typical Photon Detection Efficiency (PDE)
at Gain Max 58% (@ 500 nm)
66% (@ 650 nm)
43% (@ 820 nm)
Gain Adjustment Factor (Typ) 4
Count Rate @ Gain Max.
Min
Typ >10 MHz
20 MHz
Dark Count Rate
@ Gain Min
@ Gain Max < 75 Hz (Typ); < 400 Hz (Max)
< 300 Hz (Typ); < 1500 Hz (Max)
Dead Time @ Maximum Gain < 35 ns
Output Pulse Width @ 50 Ω load 10 ns (Min); 15 ns (Typ); 20 ns (Max)
Output Pulse Amplitude @ 50 Ω load
TTL High
TTL Low 3.5 V
0 V
Trigger Input TTL Signal
1
Low (closed)
High (open)
< 0.8 V
> 2 V
Afterpulsing Probability @ Gain Min. 1% (Typ)
General
Power Supply ±12 V, 0.3 A / 5 V, 2.5 A
Operating Temperature Range
2
0 to 35 °C
APD Operating Temperature -20 °C
APD Temperature Stability < 0.01 K
Storage Temperature Range -40 °C to 70 °C
Dimensions (W x H x D) 72.0 mm x 51.3 mm x 27.4 mm (2.83 '' x 2.02 '' x 1.08 '')
Weight 150 g
1
) Default in the absence of a TTL signal is > 2 V, allowing signal to the pulse output. The detector behavior is not
defined between 0.8 V and 2 V.
2
) Non-condensing