Dual Port APD Receiver Module For Raman DTS
The dual-channel APD photoreceiver module, using InGaAs APD photodiodes, is customized for the DTS Raman temperature measurement system and is used to receive Anti-Stokes and Stokes Raman optical signals.
Huang
Email: Hqy@ybphotonics.com
Product Info
Introduction
The APD modules are based on low-noise avalanche photodiodes made of InGaAs with a built-in pre-amplifier and high voltage supply.A temperature compensation function allows the APD to be operated at constant gain across a wide operating temperature range.
1. Overview
APD-DTS is a dual avalanche photodetector for distributed fiber optic temperature measurement. It is internally based on low noise amplifiers, boost circuits, and temperature compensation circuits, featuring high gain and fast response. The module is powered by a single power supply for easy integration, and the outputs use SMA connectors to reduce size and maximize frequency response, with a maximum bandwidth of 100MHz.
2. Features
- Covering wavelength range 1000-1700nm
- DTS-specific, dual-channel
- M-factor temperature compensation
- Connects to singlemode (SM) or multimode (MM) fibers
- FC fiber input header
- Supports customization
3. Applications
- Distributed Fiber Optic Temperature
- Measurement System DTS
- OTDR
4.Specifications
Items DTS-APD-50M DTS-APD-100M
DTS-APD-200M
Materials InGaAs InGaAs
Wavelength 1000-1700nm 1000-1700nm
Input connector Multimode fiber with FC/APC connectors Multimode fiber with FC/APC connectors
Responsivity @M=1 0.9A/W @1550nm 0.9A/W @1550nm
Bandwidth（b） DC-50MHz DC-100MHz
DC-200MHz Rise time（b） 9ns 4ns
2ns Gain（a） 3.4x10^7V/W 4.9x107V/W
2.0x107V/W Saturated Optical power 94nW 65nW
160nW
NEP 0.16pW/√Hz 0.23pW/√Hz
Maximum output amplitude（a） 3.2V 3.2V
Operating voltage 9-12V 9-12V
Operating Current <500mA <500mA
Output Impedance 50Ω 50Ω
Output coupling mode DC DC
Output connector SMA female SMA female
Operating temperature -10~65℃ -10~65℃
Storage temperature -40~85℃ -40~85℃
Remarks:
a For high resistance loads
b For 50Ω loads
5. Mechanical dimensions
6. Response curve
Note: Response curves are typical values for reference only.
7. Shipping list
Item Name of material num unit note 1 photodetector 1 pcs 3 SMA to BNC RF Cable 2 pcs
Recommended Module Products for DTS Systems
Product Name
Model Description
Pulsed Laser 1550nm 30W Peak Power For DTS
DTS-LASER-1550-30
1550nm, pulsed laser, maximum power peak: 30W
Dual Port Raman DTS InGaAS APD Receiver Module
APD22-50M
Multiple bandwidth options, dual ports, built-in temperature compensation
100/200M DTS dedicated data acquisition card
GY-DTS-X
The GY-DTS-X is a special DAQ card for DTS system，With 100/200/250MSps sampling rate. It adopts 100Mbps network port for data transmission
The APD modules are based on low-noise avalanche photodiodes made of InGaAs with a built-in pre-amplifier and high voltage supply.A temperature compensation function allows the APD to be operated at constant gain across a wide operating temperature range.
1. Overview
APD-DTS is a dual avalanche photodetector for distributed fiber optic temperature measurement. It is internally based on low noise amplifiers, boost circuits, and temperature compensation circuits, featuring high gain and fast response. The module is powered by a single power supply for easy integration, and the outputs use SMA connectors to reduce size and maximize frequency response, with a maximum bandwidth of 100MHz.
2. Features
- Covering wavelength range 1000-1700nm
- DTS-specific, dual-channel
- M-factor temperature compensation
- Connects to singlemode (SM) or multimode (MM) fibers
- FC fiber input header
- Supports customization
3. Applications
- Distributed Fiber Optic Temperature
- Measurement System DTS
- OTDR
4.Specifications
| Items | DTS-APD-50M | DTS-APD-100M | DTS-APD-200M |
|---|---|---|---|
| Materials | InGaAs | InGaAs | |
| Wavelength | 1000-1700nm | 1000-1700nm | |
| Input connector | Multimode fiber with FC/APC connectors | Multimode fiber with FC/APC connectors | |
| Responsivity @M=1 | 0.9A/W @1550nm | 0.9A/W @1550nm | |
| Bandwidth（b） | DC-50MHz | DC-100MHz | DC-200MHz |
| Rise time（b） | 9ns | 4ns | 2ns |
| Gain（a） | 3.4x10^7V/W | 4.9x107V/W | 2.0x107V/W |
| Saturated Optical power | 94nW | 65nW | 160nW |
| NEP | 0.16pW/√Hz | 0.23pW/√Hz | |
| Maximum output amplitude（a） | 3.2V | 3.2V | |
| Operating voltage | 9-12V | 9-12V | |
| Operating Current | <500mA | <500mA | |
| Output Impedance | 50Ω | 50Ω | |
| Output coupling mode | DC | DC | |
| Output connector | SMA female | SMA female | |
| Operating temperature | -10~65℃ | -10~65℃ | |
| Storage temperature | -40~85℃ | -40~85℃ | |
Remarks:
a For high resistance loads
b For 50Ω loads
5. Mechanical dimensions
6. Response curve
Note: Response curves are typical values for reference only.
7. Shipping list
| Item | Name of material | num | unit | note |
|---|---|---|---|---|
| 1 | photodetector | 1 | pcs | |
| 3 | SMA to BNC RF Cable | 2 | pcs |
Recommended Module Products for DTS Systems
| Product Name | Model | Description |
|---|---|---|
| Pulsed Laser 1550nm 30W Peak Power For DTS | DTS-LASER-1550-30 | 1550nm, pulsed laser, maximum power peak: 30W |
| Dual Port Raman DTS InGaAS APD Receiver Module | APD22-50M | Multiple bandwidth options, dual ports, built-in temperature compensation |
| 100/200M DTS dedicated data acquisition card | GY-DTS-X | The GY-DTS-X is a special DAQ card for DTS system，With 100/200/250MSps sampling rate. It adopts 100Mbps network port for data transmission |
