The module integrates a high-speed low-noise analog photoelectric balance detector and a preamplifier small-signal fiber amplifier. In the fabrication process, the splitting ratio and length of the coupler are strictly controlled to further improve the common mode rejection ratio. The preamplifier fiber amplifier uses a special amplifier structure to amplify weak backscattered light. It has the characteristics of low ASE and small NF, and can improve the optical signal-to-noise ratio. The module is suitable for optical fiber sensing, laser wind radar and other fields.
Name | Model | Description | Parameter | Price |
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● Low Noise
● High Bandwidth
● High Transimpedance Gain
● Compact Structure
● Customizable Products
Product Model | CRM-100M-A | CRM-200M-A | CRM-300M-A | CRM-800M-A | CRM-1.6G-A | Unit | |
Wavelength | C-band | C-band | C-band | C-band | C-band | nm | |
Bandwidth | 100M | 200M | 300M | 800M | 1.6G | MHz | |
Detector Responsivity | 0.95@1550nm | 0.95@1550nm | 0.95@1550nm | 0.95@1550nm | 0.95@1550nm | A/W | |
Transimpedance Gain | 10k | 10k | 10k | 10k | 10k | V/A | |
Optical Input | Local | <7 | <7 | <7 | <7 | <7 | dBm |
Signal | -50(Typical) | -50(Typical) | -50(Typical) | -50(Typical) | -50(Typical) | dBm | |
Output Coupling Mode | DC/AC | DC/AC | DC/AC | AC | AC | ||
Supply Voltage | 5 | 5 | 5 | 12 | 12 | V | |
Supply Current | 3(max) | 3(max) | 3(max) | 3(max) | 3(max) | A | |
Optical Fiber Type | SMF-28( or PM) | ||||||
Optical Input | FC/APC | ||||||
Radio Frequency Output | SMA | Communication Interface | RS232 | ||||
Shape Size | 120*100*25mm |
Test Result
Coherent Receiving Optical Path Map
Comparisons of Coherent Beat Frequency Signals
Signal local details
● Optical Fiber Sensing
● Doppler Wind Lidar
● OCT
● Laser Ranging
● Spectrometry