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Description

The DK Photonics L band ASE Broadband Light Source (DK-XS-DT-006-A/2) is a high-performance optical source designed to deliver stable, broadband emission across the L-band wavelength range of 1567 to 1603 nm. Utilizing advanced erbium-doped fiber technology, this light source achieves exceptional spectral flatness and high output power, making it an ideal solution for demanding applications in fiber optic sensing, medical imaging, and the testing of passive optical components. Engineered for reliability and precision, the L band ASE Broadband Light Source offers outstanding power stability, with short-term and long-term output fluctuations kept to a minimum.

The device maintains a spectral flatness of 2 dB (typical) and up to 3 dB (maximum), ensuring consistent performance across the entire emission spectrum. Output isolation exceeds 35 dB, and the degree of polarization is tightly controlled, supporting sensitive measurement and testing environments. The light source is available in both desktop and compact module configurations to suit various integration needs. The desktop version features intuitive button control, while the module variant supports remote operation via RS232 communication, enabling seamless integration into automated test setups. 

Optional adjustable power output (ranging from 10% to 100%) allows users to tailor the source to specific requirements without compromising spectral uniformity. Designed for versatility and ease of use, the DK Photonics L band ASE Broadband Light Source is equipped with standard SMF-28 fiber and FC/APC optical connectors, ensuring compatibility with a wide range of optical systems. Its robust construction and broad operating temperature and humidity ranges make it suitable for both laboratory and field environments. This combination of performance, flexibility, and reliability positions the DK-XS-DT-006-A/2 as a leading choice for professionals seeking a dependable L-band broadband light source for advanced photonics applications.

L Band ASE Broadband Light Source

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Specifications

Bandwidth: 36 nm
Center Wavelength: 1585 nm
Output Power: 100 mW
Polarization: Not Specified
Wavelength Range: 1567~1603 nm
Output Power: 10/20/50/100 mW
Spectral Flatness: 2 dB (Type), 3 dB (Max)
Output Isolation: >35 dB
Short-term Stability (15 Minutes): ≤ ±0.02 dB
Long-term Stability (8 Hours): ≤ ±0.05 dB
Degree Of Polarization (DOP): ≤ 0.2 dB
Fiber Type: SMF-28
Optical Connector: FC/APC
Control Mode (Desktop): Button
Control Mode (Module): RS232
Communication Interface: DB9 Female (Optional)
Power Supply (Desktop): 100~240V AC, <30W
Power Supply (Module): 5V DC, <15W
Dimensions (Desktop): 260(W)×280(D)×120(H) mm
Dimensions (Module): 125(W)×150(D)×20(H) mm
Operation Temperature Range: -5~+55°C
Operation Humidity Range: 0~70%

Got questions about specs? Use the inquiry form to ask.

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Features

  • Broad L-Band Wavelength Coverage: 1567–1603 nm, ideal for advanced optical applications.
  • High Output Power Options: Available in 10, 20, 50, and 100 mW; customizable to meet specific requirements.
  • Exceptional Spectral Flatness: ≤2 dB (typical), ≤3 dB (max) ensures uniform output across the L-band.
  • Outstanding Power Stability: Short-term stability ≤±0.02 dB (15 min), long-term stability ≤±0.05 dB (8 hours).
  • Adjustable Output Power (Optional): 10%–100% adjustment range without affecting spectral flatness.
  • High Output Isolation: >35 dB for reliable and interference-free operation.
  • Low Degree of Polarization (DOP): ≤0.2 dB for improved measurement accuracy.
  • Remote Monitoring & Control: Supports RS232 communication and optional DB9 interface for easy integration and remote operation.
  • Flexible Form Factors: Available as desktop or compact module to suit various installation needs.
  • Wide Operating Conditions: Operates from -5°C to +55°C and 0–70% humidity for robust field and lab use.
  • Standard Fiber & Connector: Uses SMF-28 fiber and FC/APC connector for broad compatibility.
  • Low Power Consumption: Desktop: <30W (100–240V AC); Module: <15W (5V DC).
  • Key Applications: Fiber optic sensing, medical imaging, and passive optical component testing.
  • Easy Integration: User-friendly control (button or remote), compact design, and comprehensive communication options.
  • Customizable Solutions: Tailored configurations available to meet unique project requirements.

Applications

  • Optical Fiber Sensing
    Ideal for distributed and point fiber optic sensor systems, including temperature, strain, and acoustic sensing in structural health monitoring, oil & gas pipelines, and perimeter security applications.
  • Medical Imaging
    Used as a stable broadband light source for Optical Coherence Tomography (OCT), endoscopy, and other biomedical imaging modalities requiring high spectral flatness and power stability.
  • Passive Optical Component Testing
    Provides a reliable L-band ASE source for testing and characterizing passive optical components such as filters, multiplexers, demultiplexers, isolators, and couplers.
  • Optical Communication System Development
    Supports research, development, and quality assurance of L-band optical amplifiers, WDM systems, and transmission equipment.
  • Metrology and Spectroscopy
    Serves as a broadband source for high-resolution spectral measurements, calibration, and laboratory research in photonics and material science.
  • Optical Device Manufacturing
    Enables production line testing and burn-in of fiber optic devices, ensuring performance and reliability in manufacturing environments.
  • Remote Sensing and Environmental Monitoring
    Utilized in remote monitoring systems for environmental sensing, including atmospheric and underwater optical measurements.
  • Research and Development in Photonics
    Provides a versatile, stable source for academic and industrial R&D projects involving fiber optics, nonlinear optics, and advanced photonic systems.
  • Calibration of Optical Instruments
    Acts as a reference light source for calibrating spectrometers, optical spectrum analyzers, and other precision optical instruments.

Frequently Asked Questions

What is the L band ASE Broadband Light Source from DK Photonics?
The L band ASE Broadband Light Source from DK Photonics is a high-performance light source utilizing erbium-doped optical fiber spectral flatness technology. It provides high output power across the L-band wavelength range (1567–1603 nm) and is designed for applications such as fiber sensing, medical imaging, and passive optical component testing.
What are the key features of the DK Photonics L band ASE Broadband Light Source?
Key features include excellent power stability, high spectral flatness (2 dB typical, 3 dB max), remote monitoring capabilities, adjustable output power (10%–100% optional), high output isolation (>35 dB), and low degree of polarization (≤0.2 dB). It is available in both desktop and module packages.
What applications is the L band ASE Broadband Light Source suitable for?
This broadband light source is ideal for fiber optic sensing, medical imaging, and testing of passive optical components. Its stable and flat spectrum makes it particularly useful in environments where consistent and reliable broadband illumination is required.
How do I control and monitor the DK Photonics L band ASE Broadband Light Source?
The desktop version is controlled via a button interface, while the module version uses RS232 communication (DB9 Female connector). Remote monitoring and control are supported, and host computer software can be provided for convenient state monitoring.
What are the available output power options and can they be customized?
Standard output power options are 10 mW, 20 mW, 50 mW, and 100 mW. Custom output power levels are available upon request, and an adjustable power option (10%–100%) can be specified without affecting spectral flatness.
What are the physical and electrical specifications of the L band ASE Broadband Light Source?
The desktop version measures 260×280×120 mm and operates on 100–240V AC (
What type of fiber and optical connector does the DK Photonics L band ASE Broadband Light Source use?
The device uses SMF-28 single-mode fiber and is equipped with an FC/APC optical connector as standard.

Got more questions? Use the inquiry form to ask the supplier directly.

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