Wa ka ba'ate'el yéetel ya'ab sáasil ku saturartik a receptor u láaj jo'ochiko'obe' óptica, atenuador u láaj jo'ochiko'obe' óptica leti' le ku xu'ulsik u páajtalil jump'éel señal óptica. Yo'osal u búukinta'al atenuadores ópticos, je'el u páajtal u chukpachtik le utsil rendimiento t.u.m láaj jo'ochiko'obe' óptica.
Tu general, yaan ka'ap'éel ba'alo'ob tu'ux je'el u páajtal u k'a'abetkuunsa'al atenuadores u láaj jo'ochiko'obe' óptica ti' u t.u.m.
Yaan k'iine' le señal ku k'uchul ti' le receptor jach k'a'am yéetel je'el u páajtal u superar le elementos receptores. Le je'ela' je'el u páajtal u yúuchul tumen jump'éel desigualdad ichil le transmisores yéetel le receptores wa u búukinta'al convertidores medios comunicación diseñados utia'al u náachil jach asab chowak. Tu este caso, you can install optical attenuators in the fiber optic link to reduce the signal power and properly match the signal level.
During testing, attenuators can be temporarily added to the system to add a calibrated amount of signal loss and test power level margins in the fiber optic system. With the transmitter turned on and using a fiber optic power meter set to the system operating wavelength, you can use the attenuator to test the system power.
Fiber optic attenuators come in many different forms. In the market, you can find different types of optical attenuators classified by connector type, cable type and more.
Ku, they are grouped into fixed optical attenuators (FOA) and optical variable attenuators (VOA). You can also divide them into single-mode and multi-mode attenuators based on cable types.
As the name suggests, fixed attenuators are designed to have an unchanging level of attenuation in optical fiber, typically between 1dB and 30dB. The preferred optical attenuators often use either doped fibers, misaligned splices, or total power, while non-preferred attenuators often use gap loss or reflective principles.
There are two types of fixed value attenuators: in-line type y Bin yano'ob conector. In-line type looks like a plain fiber patch cable, while connector type attenuator looks like a bulkhead fiber connector. These attenuators can be used in telecommunication networks, optical fiber test facilities, Páawo'ob yo'osal ku (LAN) and CATV systems.
Optical variable attenuators, or variable optical attenuators (VOA), use a variable neutral density filter. They are generally use for testing and measurement, but they also widely adopt in Erbium-Doped Fiber Amplifier (EDFA) for equalizing the light power among different channels.
There are two types of optical variable attenuators: stepwise variable attenuators and continuously variable attenuators.
Stepwise variable attenuators can change the signal attenuation in known steps such as 0.1dB, 0.5Db, or 1dB.
Continuously variable optical attenuators can provide a precise level of attenuation through flexible adjustment.
This allows operators to adjust the attenuator quickly and precisely without any interruption to the circuit.
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