Multi-Channel Multi-Mode Optical Attenuator Attenuation Range 0-35dB

Multi-channel multi-mode optical attenuators work based on a variety of attenuation mechanisms, including but not limited to:

Light absorption: The optical material inside the attenuator (such as optical fibers doped with metal ions or special absorbing glass) absorbs a portion of the incident light, thereby reducing the intensity of the light signal.
Light scattering: The light is scattered through the microstructure of the material, thereby reducing the light intensity of linear propagation.
Light reflection: Usually involves multi-layer thin film technology that achieves attenuation by reflecting rather than absorbing the light signal, allowing precise control of reflectivity.
Dislocation technology: The core of the two optical fibers is misaligned by micro translation, so that the light core loss occurs in the transmission process, and the attenuation effect is achieved.
Displacement attenuation: The coupling loss of the optical fiber is used when the optical fiber is docked, and the transmission path of the light is changed by lateral or longitudinal displacement of the optical fiber to achieve attenuation.

Specification

Multi-channel and multi-mode optical attenuators are widely used in optical communication system testing, optical fiber device development and optical communication teaching experiments. To be specific:

Optical fiber communication system test: It can be used to test the attenuation characteristics of different optical fiber transmission paths to ensure the stability and reliability of system performance. By precisely adjusting the attenuation of optical signal in each channel, the optical signal transmission under different transmission conditions can be simulated, which provides strong support for system optimization.

Optical fiber device development: As an important test tool, it can be used to evaluate the attenuation performance of the device, transmission efficiency and other key indicators. Its multi-channel design allows researchers to test multiple devices simultaneously, greatly improving research and development efficiency.

Optical communication teaching experiment: provides a platform for students to deeply understand the principle and technology of optical communication. Through practical operation and experimental verification, students can more intuitively understand the attenuation mechanism of optical signals, regulation principles, and the composition and working mode of optical fiber communication systems.

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The full range of Youxi instrument products are:

8 series passive measuring equipment: light source series, optical power meter series, optical attenuator series, plug back loss meter series and optical polarization generator and optical switch series, etc.

9 series of active measuring equipment: BER series, optical oscilloscope series, clock recovery instrument series, LIV measuring system and 10G/100G/400G optical module test and evaluation board series.