GR-HI50/125-20PI Graded-Index Sensing Fiber

GR-HI50/125-20PI Graded-Index Sensing Fiber

Supplier
Shconnet
Part Number
GR-HI50/125-20PI
Category
Optical Fibers
Origin
China

Coherent/Nufern GR-HI50/125-20PI multimode fiber uses a graded-index, high-transmission-bandwidth design that resists the harmful effects of hydrogen ingress, making it suitable for temperature-sensing systems in harsh environments. NuSENSOR is the first fiber to offer these characteristics. This series can be deployed in environments combining high local hydrogen pressure with high temperatures of up to 300 degrees without additional background loss.

Specification Snapshot
Operating Wavelength
850-1300 nm
Operating Temperature
-65 ~ +300 ℃
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Overview

Coherent/Nufern GR-HI50/125-20PI multimode fiber uses a graded-index, high-transmission-bandwidth design that resists the harmful effects of hydrogen ingress, making it suitable for temperature-sensing systems in harsh environments. NuSENSOR is the first fiber to offer these characteristics. This series can be deployed in environments combining high local hydrogen pressure with high temperatures of up to 300 degrees without additional background loss.

Specifications

ParameterValue
Operating Wavelength850-1300 nm
Core Numerical Aperture0.200±0.015
Bandwidth at 1300 nm [@1300nm;@ 1300nm]≥200 MHz-km
Bandwidth at 850 nm [@850nm;@ 850nm]≥200 MHz-km
Core Attenuation at 1300 nm [@1300nm;@ 1300nm]≤0.50 dB/km
Core Attenuation at 850 nm [@850nm;@ 850nm]≤2.70 dB/km
Core Attenuation at 1060 nm [@1060nm;@ 1060nm]≤1.00 dB/km
Cladding Diameter125.0±2.0 μm
Core Diameter50.0±3.0 μm
Coating Diameter145.0±5.0 μm
Core/Cladding Concentricity Error≤3.00 μm
Proof Test Level≥100 (0.7GN/m2)
Coating MaterialPolyimide
Core TypeGrade Index
Operating Temperature-65 ~ +300 ℃
Short-Term Bend Radius≥12 mm
Long-Term Bend Radius≥25 mm

Applications

Distributed Raman temperature sensors; fiber-system interconnections in harsh environments.

Key Features

Resistance to hydrogen (H2) ingress enables low-cost deployment and long service life. Excellent consistency reduces spurious noise signals. Optional coating materials include high-temperature acrylic polyester, silicone and polyimide for a range of sensing environments.

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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