EyeSafe Delivery Fibers
Nufern has specifically engineered a unique range of single-mode 2μm beam delivery fibers for the long wavelength EyeSafe window from 1850-2200nm, available in both PM and non-PM versions. By applying extensive fiber manufacturing expertise, this family of fibers has excellent uniformity and high fatigue failure resistance. These fibers are aimed at emerging fiber applications for the 2μm wavelength, including medical, military/aerospace, and industrial fiber laser markets.
Specification Snapshot
Cutoff SM1950
1720±80nm
Cutoff PM1950
1720±80nm
Cladding Diameter SM1950
125.0±1.0μm
Cladding Diameter PM1950
125.0±1.0μm
Core Diameter SM1950
7.0μm
Core Diameter PM1950
7.0μm
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Overview
Nufern has specifically engineered a unique range of single-mode 2μm beam delivery fibers for the long wavelength EyeSafe window from 1850-2200nm, available in both PM and non-PM versions. By applying extensive fiber manufacturing expertise, this family of fibers has excellent uniformity and high fatigue failure resistance. These fibers are aimed at emerging fiber applications for the 2μm wavelength, including medical, military/aerospace, and industrial fiber laser markets.
Specifications
| Parameter | Value |
|---|---|
| Operating Wavelength SM1950 | 1850–2200nm |
| Operating Wavelength PM1950 | 1850–2200nm |
| Core NA SM1950 | 0.200 |
| Core NA PM1950 | 0.200 |
| Mode Field Diameter SM1950 | 8.0μm@1950nm |
| Mode Field Diameter PM1950 | 8.0μm@1950nm |
| Cutoff SM1950 | 1720±80nm |
| Cutoff PM1950 | 1720±80nm |
| Beat Length PM1950 | ≤2.5mm@1950nm |
| Birefringence PM1950 | nominal 3.5×10^-4 |
| Cladding Diameter SM1950 | 125.0±1.0μm |
| Cladding Diameter PM1950 | 125.0±1.0μm |
| Core Diameter SM1950 | 7.0μm |
| Core Diameter PM1950 | 7.0μm |
| Coating Diameter SM1950 | 245.0±15.0μm |
| Coating Diameter PM1950 | 245.0±15.0μm |
| Coating Concentricity SM1950 | <5.0μm |
| Coating Concentricity PM1950 | <5.0μm |
| Core/Clad Offset SM1950 | ≤0.50μm |
| Core/Clad Offset PM1950 | ≤0.50μm |
| Coating Material SM1950 | UV Cured |
| Coating Material SM1950 | Dual Acrylate |
| Coating Material PM1950 | UV Cured |
| Coating Material PM1950 | Dual Acrylate |
| Operating Temperature Range SM1950 | -40 to 85°C |
| Operating Temperature Range PM1950 | -40 to 85°C |
| Proof Test Level SM1950 | ≥100kpsi(0.7GN/m²) |
| Proof Test Level PM1950 | ≥100kpsi(0.7GN/m²) |
Applications
1. Pigtailed 2μm components 2. 2μm-fiber lasers/amplifiers 3. 2μm beam delivery
Key Features
1. Optimized for 2μm wavelengths — Higher performance 2. Low bend loss at 2μm — Tighter packaging 3. Tight tolerances — High product yield
Datasheet
Product Datasheet
PDF
Supplier Information
Shanghai Minyi Optoelectronics Technology Co., Ltd. is a high-tech enterprise engaged in the R&D, production and sales of specialty fiber optic connectors, passive fiber optic components, large-core fiber fusion splicing equipment, fiber optic test and measurement instruments, and common tools and materials for fiber optic laboratories. It also acts as an agent for well-known domestic and international specialty fiber brands, maintaining regular stock for timely delivery. The company is located in the Minhang Science and Technology Innovation Industrial Park in Shanghai, adjacent to Shanghai Jiao Tong University and Zizhu High-Tech Park.
Minyi's optoelectronic devices cover most UV, visible and near-infrared wavelengths, including the 190nm~2050nm band: specialty patch cord connectors and adapters, fiber collimators, fiber isolators, fiber circulators, fiber couplers, fiber combiners, fiber polarizers, wavelength division multiplexers, bandpass filters, fiber mirrors, fiber rotators, fiber attenuators and fiber gratings, etc. Standard, high-power and polarization-maintaining devices, as well as small and ultra-small packages, can be custom-produced. We have the capability to produce devices using different types of fibers. Our fiber inventory includes: single-mode fiber, multimode fiber, polarization-maintaining fiber, laser/pump power delivery fiber, double-clad rare-earth doped fiber, passive matching fiber, biomedical fiber, sensing fiber, etc.
Since its establishment, the company has been guided by technological innovation, committed to continuously introducing advanced global technologies and products, fully supporting and helping domestic users, and providing products and services at the forefront of technology and future trends to facilitate scientific research and production applications for domestic users. After years of partner accumulation and joint development, the company now has the capability to provide innovative, customized products and solutions, such as: laser light sources of various wavelengths, fiber lasers, fiber amplifiers, optical power meters, etc., as well as various tools and auxiliary materials for scientific research experiments and special laser industrial applications.
The fiber optic device application fields we comprehensively serve include: optical fiber communication, fiber lasers/amplification, optical/spectral analysis and measurement, biomedical OCT, radar detection, aerospace, fiber sensing/fiber optic gyroscopes, coherent combining, machine vision, quantum communication, ultrafast lasers and scientific research, etc.
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