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Fused Optical Coupler

Applications Long-haul Telecommunications CATV Systems & Fiber Optic Sensors Local Area Network

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Mini Fused Optical Coupler

Applications Long-haul Telecommunications CATV Systems & Fiber optic Sensors Local Area Network

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1×3-3×3 Monolithic Single Mode Coupler (MSMC)

Applications 应用 Long-haul Telecommunications CATV Systems &Fiberoptic Sensors Local Area Network

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1×4-1×5 Monolithic Single Mode Coupler (MSMC)

Applications 应用 Long-haul Telecommunications CATV Systems & Fiber Optic Sensors Local Area Network

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Fused WDM (WDM)

Applications 应用 Erbium Doped Fiber Amplifiers (EDFA) WDM Systems Testing Instruments

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Mini Fused WDM (WDM)

Applications 应用 Erbium Doped Fiber Amplifiers (EDFA) Testing Instruments Wdm Systems

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Multi-Mode Coupler (MMC)

Applications 应用 Subscriber Loop CATV Systems & Fiber Optic Sensors Local Area Network

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1×3-3×3-1×4 Monolithic Multi-Mode Coupler (MMMC)

Applications应用 Subscriber Loop CATV Systems & Fiber Optic Sensors Local Area Network

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Polarization-Maintaining Coupler (PMC)

Applications Optical Amplifer Optical Networks Power Monitoring Fiber Sensors

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Special Fused WDM (SFW)

Applications Erbium Doped Fiber Amplifiers (EDFA) WDM Systems Testing Instruments

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news content

Review of Exhibitions at the 2023CDCE International Data Center Exhibition

On November 15-17, 2023, Aoxin Communication made its debut at the Shanghai 2023 CDCE International Data Center Exhibition.

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The company held the 2022 annual skill competition, the awarding of enterprise craftsmen and the of advanced figures

On the morning of January 15, 2023, the company held the 2022 annual skill competition, the awarding of enterprise craftsmen and the of advanced figures in front of the office building. be present company leaders successively issued honorary certificates and prizes to 208 skill competition winners, 169 advanced individuals and 20 activists of trade union league committees, and awarded honorary certificates and prizes to 9 outstanding team leaders and 12 annual innovation suggestion stars. Bonuses, honorary certificates and travel certificates were issued to 10 model workers, crystal trophies and honorary certificates were issued to 11 enterprise craftsmen, and pennants and bonuses were awarded to 7 advanced groups.

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Although the group birthday party is late, it is here!

In order to enhance employees' sense of identity and belonging to the company, enhance the knowledge and understanding among employees in various departments, and strengthen team cohesion, our company held a birthday party for employees in the club activity room on February 8, sublimating friendship and expressing Orte love and care.

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Table Tennis & Billiards Competition Briefing

In order to enrich and activate the cultural life of the company's employees, improve the physical fitness of the employees, and enhance the cohesion of the company's team, the table tennis and billiards competitions organized by our staff club kicked off on November 9th!

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[Good News] Warm congratulations to Orte Communication for winning the AA-level two-informatization integration management system assessment certificate

Recently, ORTE Photonics Co., Ltd., successfully passed the assessment of the State Information Center's two-industrialization integration management system - "Informatization and Industrialization Integration Management System Requirements" (GB/T23001-2017) "Informatization and Industrialization Integration Management System New Model Ability Classification Requirements" (GB/T23006-2022), won the AA-level two-informatization integration management system assessment certificate.

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Optical isolator

An optical isolator is a passive optical device that only allows light to pass through in one direction. Its working principle is based on the non-reciprocity of Faraday rotation. The light reflected by the fiber optic echo can be well isolated by the optical isolator. Optical isolators mainly use the Faraday effect of magneto-optical crystals. The characteristics of the optical isolator are: low forward insertion loss, high reverse isolation, and high return loss. An optical isolator is a passive device that allows light to pass in one direction and prevents it from passing in the opposite direction. Its function is to limit the direction of light so that the light can only be transmitted in one direction. Very good isolation, improve light transmission efficiency

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What is optical passive device CCWDM?

CCWDM is Compact CWDM (compact coarse wavelength division multiplexing), which is a wavelength division multiplexing technology based on TFF (thin film filter). It works in the same way as the CWDM module, the difference is that CCWDM uses free space technology (As shown in Figure 1), compared with the common CWDM optical fiber cascading method (as shown in Figure 2), the CCWDM package size is greatly reduced compared with the CWDM module, and the insertion loss is lower and the consistency is better; it can replace CWDM Products are used in telecommunications, enterprise networks, PON networks, cable TV and other fields. The lower insertion loss makes the CCWDM module have lower signal attenuation during operation, thereby reducing the power requirement for the signal transmitter.

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MUX and DEMUX

The basic idea of a Mux device is to integrate multiple signals into a bundle, and this bundle of signals is transmitted and processed in the model as a whole. Paired with Mux is Demux, which separates the signals from each other so that each signal can be processed separately.

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fiber optic coupler

A fiber optic coupler is a fiber optic connection device that uses the refraction properties of light in a waveguide to convert the optical signal at the input end into an optical signal available at the output end.

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EDFA equalization technology - GFF introduction

EDFA is the core functional device in the optical transmission system, which has the advantages of high gain, large bandwidth, low noise, gain characteristics insensitive to optical polarization state, transparent to data rate and format, and negligible channel crosstalk in multi-channel systems. . The combination of DWDM and EDFA can not only increase the capacity of the system, but also has high flexibility and economy. However, due to the dense multiplexing of channel wavelengths and the uniform broadening characteristics of EDFA, there is fierce competition between different channels, and the gain and spectral line shape of EDFA need to be kept stable, so the problem of EDFA gain control and flatness is introduced. At present, there are mainly technical means to achieve EDFA gain flatness, such as thin-film filtering, low-light sinusoidal filtering, and fiber grating filtering. Optical gain flattening filter GFF is based on mature thin-film filtering technology, which is used in EDFA to compensate the uneven gain amplification under different DWDM channels. Figure 1 shows the working principle of the GFF diaphragm.

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