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PDF QD800-pQ Data sheet ( Hoja de datos )
| Número de pieza | QD800-pQ | |
| Descripción | Single Photon Detection Module | |
| Fabricantes | Roithner | |
| Logotipo |  |
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QD800-pQ
Single Photon Detection Module
Description
QD800-pQ series of Single Photon Counting Modules offers a
unique combination of low dark count rates and very low jitter in
a miniature package. The special mechanical design allows a
flexible combination with existing systems in the laboratory.
Incoming photons generate corresponding electrical pulses
which may be conveniently read out at the digital output.
Features
• Low dark rates
• Very low jitter
• High detection efficiency (400 nm to 1000 nm)
• digital output pulse (0,4V) at SMA connector
• Single 5 V DC supply operation
• 42x42 mm (wxh) package suitable with „multicube"
Applications
• Quantum optics, quantum cryptography
• Fiber optics characterization
• Time Correlated Single Photon Counting (TCSPC)
• Fluorescence, fluorescence life time spectroscopy, Raman spectroscopy
• Single photon source characterization
• Eye-safe laser ranging (lidar)
• Time-of-flight measurements (ranging)
• Time-resolved fluorescence spectroscopy
• Fluorescence Lifetime Imaging (FLIM)
• Fluorescence Correlation Spectroscopy (FCS)
• Fluorescence Lifetime Correlation Spectroscopy (FLCS)
• Single molecule spectroscopy
• Optical Time Domain Reflectometry (OTDR)
• Optical tomography
DEVELOPED IN COOPERATION WITH
www.roithner-laser.com
LICENSED THROUGH…
1
1 page  
Connector Description
SMA connector:
Output Pulse: 0,4V on 50 Ohm (positive edge)
5-pole board connector:
(Molex 22-03-5055)
… Digital Output LVTTL (Low if the SPAD temperature has not reached the set point)
… Analog Ground
… Analog Output 0-1,5V (represents the temperature of the SPAD. See formula below)
…Power Ground
…Power in (+5V DC)
Formula:
T[°C] = 3200/ln( (U[V]*89877 / (1,5 - U[V] ) - 273,15
Adjustments procedure:
The SPAD temperature and the overvoltage can be adjusted with two potentiometers.
Step 1: adjust Pot-T clockwise until the desired Temperature is achieved.
Step 2: adjust Pot-HV clockwise until the desired dark count rate or detection efficiency is achieved
Factory settings:
Pot-T
… -20° (Temp Analog Output = 1,16V)
Pot-HV … dark count rate accordingly to the device extension 500, 50, 20 Counts/s
DEVELOPED IN COOPERATION WITH
www.roithner-laser.com
LICENSED THROUGH…
5
5 Page | ||
| Páginas | Total 5 Páginas | |
| PDF Descargar | [ Datasheet QD800-pQ.PDF ] | |
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