High Absorption Rare Earth Fiber
High absorption rare earth fiber is designed for high-power fiber lasers, with excellent thermal stability and high conversion efficiency. It is suitable for 1.5μm laser applications and is available in two wavelength ranges: 980nm to 1480nm and 1480nm to 1550nm.
Specification Snapshot
Core Diameter (μm) EDF-540
4.0±0.5μm
Core Diameter (μm) EDF-640
4.0±0.5μm
Core Diameter (μm) EDF-1400
4.0±0.5μm
Core Diameter (μm) EDF-1510
4.0±0.5μm
Cladding Diameter (μm) EDF-540
125±1.0μm
Cladding Diameter (μm) EDF-640
125±1.0μm
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Overview
High absorption rare earth fiber is designed for high-power fiber lasers, with excellent thermal stability and high conversion efficiency. It is suitable for 1.5μm laser applications and is available in two wavelength ranges: 980nm to 1480nm and 1480nm to 1550nm.
Specifications
| Parameter | Value |
|---|---|
| Absorption Coefficient (dB/m) EDF-540 | 50±10dB/m |
| Absorption Coefficient (dB/m) EDF-640 | 50±10dB/m |
| Absorption Coefficient (dB/m) EDF-1400 | 50±10dB/m |
| Absorption Coefficient (dB/m) EDF-1510 | 50±10dB/m |
| Core Diameter (μm) EDF-540 | 4.0±0.5μm |
| Core Diameter (μm) EDF-640 | 4.0±0.5μm |
| Core Diameter (μm) EDF-1400 | 4.0±0.5μm |
| Core Diameter (μm) EDF-1510 | 4.0±0.5μm |
| Cladding Diameter (μm) EDF-540 | 125±1.0μm |
| Cladding Diameter (μm) EDF-640 | 125±1.0μm |
| Cladding Diameter (μm) EDF-1400 | 125±1.0μm |
| Cladding Diameter (μm) EDF-1510 | 125±1.0μm |
| Coating Diameter (μm) EDF-540 | 245±10μm |
| Coating Diameter (μm) EDF-640 | 245±10μm |
| Coating Diameter (μm) EDF-1400 | 245±10μm |
| Coating Diameter (μm) EDF-1510 | 245±10μm |
| Numerical Aperture EDF-540 | 0.22±0.02 |
| Numerical Aperture EDF-640 | 0.22±0.02 |
| Numerical Aperture EDF-1400 | 0.22±0.02 |
| Numerical Aperture EDF-1510 | 0.22±0.02 |
Applications
1. Optical fiber lasers 2. Optical fiber amplifiers
Key Features
1. High thermal stability and conversion efficiency 2. Excellent electrical and mechanical properties
Datasheet
Product Datasheet
PDF
Supplier Information
Wuhan Changjin Photonics Technology Co., Ltd. is a high-tech enterprise mainly engaged in the research, development, production, and sales of specialty optical fibers.
After years of deep cultivation in the professional field and continuous technological accumulation, the company has formed an independent and controllable core technology system. The company has a complete R&D strength and system covering rare-earth-doped fibers and other specialty optical fibers, mastering all core process technologies from fiber design, fiber preform preparation, fiber drawing to fiber performance characterization, and has the ability to deliver specialty optical fibers in batches with high quality, high performance, and high consistency.
The company mainly focuses on the bottleneck problems in the research and application of active fibers, helping to promote the localization of key materials in the fields of fiber lasers and communication amplifiers. The company continues to introduce high-end talents, deepen technological research and development, expand production capacity, and is committed to building a specialty optical fiber technology platform integrating large-scale preparation and advanced applications.
The company always adheres to customer demand orientation and aims for high-value services. Guarding every detail with scientific height, preparing every optical fiber with a professional attitude, and becoming a first-class provider of specialty optical fibers and solutions.
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