High Reliability C Band ASE Source 1528-1565nm 50mW - China Suppliers & Factory with <2dB Flatness
Key features
Excellent Spectral Characteristics
Broad Spectrum: Wavelength range typically 1528nm-1563nm, covering the C-band, suitable for applications requiring broad spectrum (e.g., signal detection at different wavelengths in spectral analysis).
High Spectral Flatness: Uses special optical processes and flattening techniques, achieving flatness around 1.5dB. Ensures relatively uniform power distribution across the C-band, guaranteeing consistency and accuracy for measurements/applications at different wavelengths.
High Spectral Flatness: Uses special optical processes and flattening techniques, achieving flatness around 1.5dB. Ensures relatively uniform power distribution across the C-band, guaranteeing consistency and accuracy for measurements/applications at different wavelengths.
High Output Power
Offers high output power with options like 13dBm, 15dBm, 17dBm. Provides sufficient energy for optical signal transmission, meeting needs of long-haul fiber transmission and complex networks.
Strong Stability
Incorporates global optical feedback control and PWM-based precise temperature control technologies, ensuring stability of output power and spectral shape. Reduces impact of temperature changes on performance for stable operation in various environments.
Low Polarization Degree
Emits naturally unpolarized light with very low Degree of Polarization (DOP), typically ≤5%. Suitable for polarization-insensitive applications (e.g., certain fiber sensing measurements), reducing interference from polarization-related factors.
Ease of Use
Provides communication interfaces (e.g., RS-232, LVTTL) and PC software for monitoring source status, enabling remote control and data acquisition, improving work efficiency.
Compact Structure
WSEE laser products adopt a classic compact MSA (90*70*15mm) modular design, small size, easy integration into other systems, saving space. Suitable for applications with strict volume requirements.
Working environment indicators
| Parameters | Min | Typ | Max | Unit | Remarks |
|---|---|---|---|---|---|
| Operating Temperature | -5 | 55 | ℃ | ||
| Storage Temperature | -40 | 85 | ℃ | ||
| Working Relative Humidity | 5 | 85 | % | 40° non-condensable | |
| Store relative Humidity | 5 | 90 | % |
Optical indicators
| Parameters | Min | Typ | Max | Unit | Remarks | ||
|---|---|---|---|---|---|---|---|
| Parameters | 1528 | 1565 | nm | ||||
| Operating Wavelength | (W*L*H)90*70*15 | mm | |||||
| Size | SMF-28e,900um, white pine sleeve | nm | |||||
| Output Fiber | FC/APC | custom made | |||||
| Output fiber Connector | 0.49 | 0.5 | 0.51 | m | 0.5+/-0.01m, including head, custom | ||
| Output Fiber Length | APC/ACC | ||||||
| Work Pattern | -60 | dBm | |||||
| No Optical Reported | - | - | 13 | dBm | |||
| Output Power | - | - | 2 | dB | @Test at typical values | ||
| Gain Flatness | - | - | ±0.01 | dB | Fifteen minutes | ||
| Short-term Output Power Stability | - | - | ±0.03 | dB | Eight hours | ||
| Long-term Output Power Stability | - | - | 5 | % | |||
| Full Temperature Power Stability | 45 | - | - | dB | |||
| Return Loss | - | 35 | - | dB | |||
| Insulation | 0 | - | 13 | dBm | Set the precision to 0.1dB | ||
Electrical indicators
3.1 Power supply parameters
| Parameters | Min | Typ | Max | Unit | Remarks |
|---|---|---|---|---|---|
| Service Voltage | 4.75 | 5.0 | 5.25 | V | |
| Supply Current | - | - | 0.6 | A | |
| Power Dissipation | - | - | 3 | W |
3.2 Pin definition:
3.2.1 Communication interface type: 30/34Pin optional 2.00mm spacing, male socket
3.2.1.1 30pin pin definition, 2.00mm spacing, male socket
| Pin | Name | Attribute | Level Type |
|---|---|---|---|
| 1 | +5V | P | |
| 2 | +5V | P | |
| 3 | +5V | P | |
| 4 | +5V | P | |
| 5 | the earth | P | |
| 6 | the earth | P | |
| 7 | NC | F | |
| 8 | NC | F | |
| 9 | the earth | P | |
| 10 | the earth | P | |
| 11 | NC | F | |
| 12 | NC | F | |
| 13 | NC | F | |
| 14 | NC | F | |
| 15 | NC | F | |
| 16 | NC | F | |
| 17 | NC | F | |
| 18 | NC | F | |
| 19 | NC | F | |
| 20 | NC | F | |
| 21 | GND | P | |
| 22 | GND | P | |
| 23 | Serial input | I | LVTTL |
| 24 | Serial output | O | LVTTL |
| 25 | GND | P | |
| 26 | GND | P | |
| 27 | +5V | P | |
| 28 | +5V | P | |
| 29 | +5V | P | |
| 30 | +5V | P |
3.2.1.3 34pin pin definition, 2.00mm spacing, male socket
| Pin | Name | Attribute | Level Type |
|---|---|---|---|
| 1 | NC | F | |
| 2 | NC | F | |
| 3 | +5V | P | |
| 4 | +5V | P | |
| 5 | +5V | P | |
| 6 | +5V | P | |
| 7 | the earth | P | |
| 8 | the earth | P | |
| 9 | NC | F | |
| 10 | NC | F | |
| 11 | the earth | P | |
| 12 | the earth | P | |
| 13 | NC | F | |
| 14 | NC | F | |
| 15 | NC | F | |
| 16 | NC | F | |
| 17 | NC | F | |
| 18 | NC | F | |
| 19 | NC | F | |
| 20 | NC | F | |
| 21 | NC | F | |
| 22 | NC | F | |
| 23 | GND | P | |
| 24 | GND | P | |
| 25 | Serial input | I | LVTTL |
| 26 | Serial output | O | LVTTL |
| 27 | GND | P | |
| 28 | GND | P | |
| 29 | +5V | P | |
| 30 | +5V | P | |
| 31 | +5V | P | |
| 32 | +5V | P | |
| 33 | NC | F | |
| 34 | NC | F |
Note 1: P: power; I: input; O: output; F: suspended.
Serial communication protocol: (Special protocol can be customized and developed)
Communication interface type: 2.00mm spacing, male socket
| Parameter | Price | Unit |
|---|---|---|
| Baud rate | 9600 | Bit/s |
| data bit | 8 | Bit |
| stop bit | 1 | Bit |
| check bit | not have |
4.2 Communication protocol: customizable
Communication protocol format: Downlink command start flag bit first byte 55, second byte AA, uplink command return start flag, first byte AA second byte 55.
Structure appearance
5.2 Mechanical size: 90*70*15mm
Frequently Asked Questions (FAQ)
What is the typical wavelength range covered by this laser source?
The laser source features a broad spectrum wavelength range typically spanning from 1528nm to 1563nm, covering the C-band. This makes it highly suitable for applications requiring signal detection at different wavelengths.
What output power options are available for this device?
This laser source provides high output power configurations with standard options including 13dBm, 15dBm, and 17dBm to meet the needs of long-haul fiber transmissions.
How does the system ensure output power and spectral stability?
The device integrates advanced global optical feedback control alongside PWM-based precise temperature control technologies. This minimizes the impact of external temperature variations and ensures consistent output power.
Is this laser source suitable for polarization-insensitive applications?
Yes. It naturally emits unpolarized light with a very low Degree of Polarization (DOP) typically ≤5%, which helps reduce polarization-related interference in sensitive fiber optic measurements.
What are the physical dimensions and structural standards of this module?
The laser module features a highly compact classic MSA modular design with mechanical dimensions of 90*70*15mm, allowing for easy integration into systems with strict space restrictions.
What communication interfaces and protocols are supported?
It features RS-232 and LVTTL serial interfaces using a 30-pin or 34-pin male socket with 2.00mm spacing. It operates at a default baud rate of 9600 Bit/s, and customized communication protocols can be developed upon request.

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