The ULN-PDB module is a plug-and-play ultralow noise balanced photodetector in a compact and user-friendly package. It is proposed with InGaAs photodiode and offers a bandwidth of 100 MHz with a high gain of 39 kV/A in a DC-coupled version.
YOUR ULTRALOW NOISE SYSTEMS.
SILENTSYS develops, produces, and commercializes solutions in photonics, microwave/THz, and electronics. With patented designs and extensive expertise, the products are compact and user-friendly. SILENTSYS targets emerging industrial and lab needs, especially in quantum technologies, metrology, sensing, and communications, offering cutting-edge performance tailored to modern applications.
ULN-PDB: Ultralow Noise Balanced Photodetector
from €1 190
When every photon matters, trust the detector that captures them clean!
SPECIFICATIONS
| Number of outputs | 1 |
| Trans-impedance gain | 39 kV/A (customizable) |
| Noise equivalent power (NEP) | 3 pW/√Hz |
| Output impedance | 50 Ω |
| Bandwidth | 100 MHz (customizable) |
| Output voltage range | -3 V to +3 V |
| InGaAs responsivity | 0.9 A/W at 1550 nm |
| Quantum efficiency (QE) | 91% at 1560 nm |
| Spectral range | InGaAs (800 nm to 1700 nm) (customizable) |
| Photodiode damage threshold | typ. 5 mW |
| CMRR | 50 dB |
| Output connector | SMA female |
| Input connectors | FC/PC (customizable) |
| Product dimensions | 108 x 79 x 33 mm³ |
| Product weight | 300 g |
| Display | Mono-color LED |
| Datasheet |
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| User guide |
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PERFORMANCES
FUNCTIONAL DIAGRAM
The functional diagram is a simple view of what the instrument does. It enables a fast and simple understanding of the internal functionalities in respect to the system inputs and outputs.
DRAWINGS
The dimensions of the device are presented here with a simplified view. It also shows the connections from the front and back view of the instrument.
Dimensions are in [mm]
Related Application Notes.
Gallery.
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