GR-50/125-20CMTA Graded-Index Multimode Fiber

GR-50/125-20CMTA Graded-Index Multimode Fiber

Supplier
Shconnet
Part Number
GR-50/125-20CMTA
Category
Optical Fibers
Origin
China

Coherent/Nufern’s NuSENSOR graded-index multimode fibers suit Raman-scattering-based distributed temperature sensing. They use a graded-index core with NA=0.20, 50um core diameter, 125um cladding and a medium-temperature acrylic-polyester coating, with optional hermetic carbon coating. Design and manufacture are performed in-house, with all processing stages monitored and controlled for high bandwidth and low transmission loss. Tight optical and geometric tolerances are provided, with specifications tested at key wavelengths. The medium-temperature coating operates up to 150 degrees; carbon-coated versions suit hydrogen-rich environments.

Specification Snapshot
Operating Wavelength
850-1300 nm
Operating Temperature
-40 ~ +150 ℃
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Overview

Coherent/Nufern’s NuSENSOR graded-index multimode fibers suit Raman-scattering-based distributed temperature sensing. They use a graded-index core with NA=0.20, 50um core diameter, 125um cladding and a medium-temperature acrylic-polyester coating, with optional hermetic carbon coating. Design and manufacture are performed in-house, with all processing stages monitored and controlled for high bandwidth and low transmission loss. Tight optical and geometric tolerances are provided, with specifications tested at key wavelengths. The medium-temperature coating operates up to 150 degrees; carbon-coated versions suit hydrogen-rich environments.

Specifications

ParameterValue
Operating Wavelength850-1300 nm
Bandwidth (@850nm) [@850nm;@850nm)]>300 MHz-km
Bandwidth (@1300nm) [@1300nm;@1300nm)]>300 MHz-km
Core Numerical Aperture0.200
Core Attenuation @ 1300nm [@1300nm;@ 1300nm]≤0.70 dB/km
Core Attenuation @850nm [@850nm;@ 850nm]≤2.50 dB/km
Core Diameter50.0±5.0 μm
Coating Diameter245.0±15.0 μm
Cladding Diameter125.0±2.0 μm
Core/Cladding Concentricity Error≤1.50 μm
Core Noncircularity≤5.0 %
Cladding Noncircularity≤1.0 %
Core Refractive Index ProfileGraded-Index Type
Operating Temperature-40 ~ +150 ℃
Coating MaterialHermetic Carbon/Medium-Temperature Acrylic Polyester
Proof Test Level≥100 (0.7GN/m2)

Applications

Enhancing Oil Recovery Processes and Efficiency; Temperature Measurement in Hydrothermal Oil and Gas Wells; Oilfield Reserve Optimization; Raman Distributed Temperature Sensing Systems

Key Features

Medium-temperature acrylate coating: operating temperatures up to 150 degrees. Unmatched consistency: highly consistent and repeatable performance. Suitable for long-term permanent installation or short-term insertion and withdrawal applications. Low loss within the key wavelength range of DTS systems.

Datasheet

Product Datasheet
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Supplier Information

Sh
Shconnet
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Shanghai Connet Fiber Communication Technology Co., Ltd. was founded in 2003 and is a high-tech enterprise specializing in the research, development, and production of laser light sources, fiber lasers, fiber amplifiers, and related products. Currently, the company has formed four major series of products led by laser light sources, fiber lasers, fiber amplifiers, and fiber gratings, including laser light sources of various wavelengths, single-frequency lasers, high-power fiber amplifiers, single-frequency polarization-maintaining fiber amplifiers, continuous and pulsed fiber lasers, high-power fiber gratings, phase-shifted gratings, chirped gratings, and other related products, providing innovative products and solutions for the research and development of high-performance fiber lasers, LiDAR, fiber sensing, fiber communication, test and measurement, scientific research, and other fields. Shanghai Connet is committed to continuously providing globally leading technologies and products, serving fields including: special fiber applications, fiber laser research and industrialization, fiber sensing and fiber optic gyroscope research, LiDAR applications, and laser industrial applications. The philosophy of Shanghai Connet Fiber Communication Technology Co., Ltd. is: continuously introducing globally leading technologies and products, and fully providing support and assistance to domestic users. After years of accumulation and development, the company has formed a series of products led by single-frequency fiber lasers, pulsed fiber laser light sources, high-power fiber amplifiers, and special fiber lasers, providing innovative product solutions for LiDAR, fiber sensing, coherent and spectral synthesis, research, testing and measurement of high-performance fiber lasers, spectral analysis, fiber communication, and other fields. Shanghai Connet Laser Technology Co., Ltd. is a wholly-owned subsidiary of Shanghai Connet Fiber Communication Technology Co., Ltd. It is a high-tech enterprise specializing in the research, development, and production of laser light sources, fiber lasers, fiber amplifiers, and related products, founded in 2007. Since its establishment, Shanghai Connet Laser Technology Co., Ltd. has been guided by technological innovation, committed to providing products and services representing cutting-edge technology and future development trends for scientific research and production applications in industrial lasers, LiDAR, fiber sensing, fiber communication, and other fields. After years of accumulation and development, the company has formed three major series of products led by laser light sources, fiber lasers, and fiber amplifiers, including laser light sources of various wavelengths, high-power fiber amplifiers, single-frequency polarization-maintaining fiber amplifiers, continuous and pulsed fiber lasers, and other related products, providing innovative product solutions for the research and development of high-performance fiber lasers, test and measurement, spectral analysis, coherent synthesis, LiDAR, fiber sensing, fiber communication, and other fields. "Looking to the future, pursuing quality; independent innovation, striving for excellence" is the development philosophy that Shanghai Connet Laser Technology Co., Ltd. has adhered to since its founding. We take quality pursuit as the core, rely on a professional R&D team and advanced concepts, continuously develop and innovate, strive for excellence, and shoulder social responsibility, seeking long-term development.

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