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Fiber Optic Attenuators

PM VOA is an useful tool for the optical components and systems test. The 1.0 m Polarization Maintaining Mechanical Variable Optical Attenuator is designed and manufactured to reduce the output optical power, get the power suitable. It is with low insertion loss, high extinction ration, high return loss and low Adjustment ...

Specifications

Number Of Channels: Single Channel
Operating Wavelength Range: 980-1060nm
Dynamic Attenuation Range (max): 0.6-60 dB
Insertion Loss (max): 0.6 dB
Return Loss (min): 50 dB
Data Sheet
The MCDD-1000 is a compact, rugged, and low-cost benchtop digital multichannel attenuator offered by OZ Optics. It features high power handling, a wide attenuation range, low PDL and wavelength dependency, low insertion loss and back reflection, high resolution, and a rugged and compact design. The attenuator can be calibrated for ...

Specifications

Number Of Channels: Multi Channel
Operating Wavelength Range: 350-2050nm
Dynamic Attenuation Range (max): 40 dB
Insertion Loss (max): 4.0 dB
Return Loss (min): 35 dB
...
Data Sheet
The Digital Variable Attenuator by OZ Optics is a compact, rugged, and low-cost attenuator designed for various fiber optic applications. It offers high resolution, high speed, a wide attenuation range, and high power handling. The attenuator has low insertion loss, low back reflection, low polarization dependent loss, and a wide ...

Specifications

Number Of Channels: Single Channel
Operating Wavelength Range: 350-2050nm
Dynamic Attenuation Range (max): 60 dB
Insertion Loss (max): 2.0 dB
Return Loss (min): 40 dB
...
Data Sheet
The MEMS-based variable optical attenuators (VOAs) offered by OZ Optics are fast, low-cost, and available as single units or arrays. They feature independent continuous attenuation control for each channel, low insertion loss, high dynamic range, and stable and repeatable open-loop operation. The attenuation is controlled by an ...

Specifications

Number Of Channels: Single Channel, Multi Channel
Operating Wavelength Range: 780-2000nm
Dynamic Attenuation Range (max): 40 dB
Insertion Loss (max): < 0.8 dB
Return Loss (min): 45 dB
...
Data Sheet
The Multichannel Electrically Controlled Variable Attenuator is a compact, rugged, and low-cost attenuator designed for various fiber optic applications. It features high power handling, wide attenuation range, low insertion loss, and back reflection. The attenuator offers high resolution and can be calibrated for dual wavelengths ...

Specifications

Number Of Channels: Multi Channel
Operating Wavelength Range: 350-2050nm
Dynamic Attenuation Range (max): 40 dB
Insertion Loss (max): 2.0 dB
Return Loss (min): 35 dB
...
Data Sheet
The Electrically Controlled Variable Fiber Optic Attenuator offered by OZ Optics is a compact and low-cost device designed for precise control of optical signal attenuation. It features a stepper motor-driven mechanism, high power handling capabilities, high speed, and a wide attenuation range from 350nm to 2050nm. With low ...

Specifications

Number Of Channels: Single Channel
Operating Wavelength Range: 350-2050nm
Dynamic Attenuation Range (max): 60 dB
Insertion Loss (max): 1.0 dB
Return Loss (min): 40 dB
...
Data Sheet
The Fixed Neutral Density Attenuators - Expanded Beam Style by OZ Optics are designed to provide mode-independent fixed attenuation for multimode applications. These attenuators offer a rugged and compact design, making them suitable for a wide range of applications. They are available in pigtail and receptacle styles, with options ...

Specifications

Number Of Channels: Single Channel
Operating Wavelength Range: 440-1625nm
Dynamic Attenuation Range (max): 30 dB
Insertion Loss (max): -- dB
Return Loss (min): 35 dB
...
Data Sheet
The Variable Fiber Optic Attenuator - Reflective Style offered by OZ Optics is a compact and low-cost attenuator designed for optical power equalization and control. It is mountable on PC boards and patch panels, making it suitable for various applications in telecommunications, CATV, LAN, test and measurement, and receiver ...

Specifications

Number Of Channels: Single Channel
Operating Wavelength Range: 800-1620nm
Dynamic Attenuation Range (max): 40 dB
Insertion Loss (max): 1.5 dB
Return Loss (min): 40 dB
...
Data Sheet
Adjustable optical attenuator uses high precision adjustable attenuator, combined with embedded data processing platform, to provide a maximum of 30/60 dB of accurate attenuation. The RS232 communication interface is built in the attenuation meter, and the user can realize remote control of the attenuation meter through the RS232 ...

Specifications

Number Of Channels: Multi Channel
Operating Wavelength Range: 1250-1650nm
Dynamic Attenuation Range (max): 0-60 dB
Insertion Loss (max): 1.0 dB
Return Loss (min): 1.0 dB
Data Sheet
ST-UPC Singlemode Optical Plug-Type Attenuator 1310 And 1550nm 1.0dB
Go4Fiber Ltd
Adopting advanced attenuation fiber technology, Go4Fiber plug-type fixed value attenuator features high power endurance and low backreflection, suitable for high speed digital transmission and analog applications.

Specifications

Number Of Channels: Single Channel
Operating Wavelength Range: 1310-1550nm
Dynamic Attenuation Range (max): 1.0 dB
Insertion Loss (max): 65 dB
Return Loss (min): 55 dB
Data Sheet
SC-UPC Singlemode Optical Plug-Type Attenuator 1310 And 1550nm 3.0dB
Go4Fiber Ltd
Adopting advanced attenuation fiber technology, Go4Fiber plug-type fixed value attenuator features high power endurance and low backreflection, suitable for high speed digital transmission and analog applications.

Specifications

Number Of Channels: Single Channel
Operating Wavelength Range: 1310-1550nm
Dynamic Attenuation Range (max): 3.0 dB
Insertion Loss (max): 65 dB
Return Loss (min): 55 dB
Data Sheet
FC-UPC Singlemode Optical Plug-Type Attenuator 1310 And 1550nm 1.0dB
Go4Fiber Ltd
Adopting advanced attenuation fiber technology, Go4Fiber plug-type fixed value attenuator features high power endurance and low backreflection, suitable for high speed digital transmission and analog applications.  

Specifications

Number Of Channels: Single Channel
Operating Wavelength Range: 1310-1550nm
Dynamic Attenuation Range (max): 1 dB
Insertion Loss (max): 65 dB
Return Loss (min): 55 dB
Data Sheet
LC Inline Fixed Attenuator A771-00-15
The Light Brigade Inc
Adding loss to a fiber optic system requires an optical attenuator. These devices perform system checks and reduce the optical power levels in order to minimize oversaturation, which can lead to system errors or degraded circuit quality. Optical attenuators are available in two basic styles: fixed and variable. Fixed attenuators are ...

Specifications

Number Of Channels: Single Channel
Operating Wavelength Range: 800-1600nm
Dynamic Attenuation Range (max): 15 dB
Insertion Loss (max): -- dB
Return Loss (min): -- dB
Data Sheet
LC Inline Fixed Attenuator A771-00-10
The Light Brigade Inc
Adding loss to a fiber optic system requires an optical attenuator. These devices perform system checks and reduce the optical power levels in order to minimize oversaturation, which can lead to system errors or degraded circuit quality. Optical attenuators are available in two basic styles: fixed and variable. Fixed attenuators are ...

Specifications

Number Of Channels: Single Channel
Operating Wavelength Range: 800-1600nm
Dynamic Attenuation Range (max): 10 dB
Insertion Loss (max): -- dB
Return Loss (min): -- dB
Data Sheet
LC Inline Fixed Attenuator A771-00-05
The Light Brigade Inc
Adding loss to a fiber optic system requires an optical attenuator. These devices perform system checks and reduce the optical power levels in order to minimize oversaturation, which can lead to system errors or degraded circuit quality. Optical attenuators are available in two basic styles: fixed and variable. Fixed attenuators are ...

Specifications

Number Of Channels: Single Channel
Operating Wavelength Range: 800-1600nm
Dynamic Attenuation Range (max): 5 dB
Insertion Loss (max): -- dB
Return Loss (min): -- dB
Data Sheet
FOTEC A400 Variable Fiber Optic Attenuators
Metrotek
he ATT100 series variable attenuators are identical to the old FOTEC A400 series variable attenuators. The ATT100 series are ideal for simulating cable loss for lab testing of link power margin or reducing power in links where receivers are being overloaded. The ATT100 variable attenuators are of the gap-loss type. The loss is ...

Specifications

Number Of Channels: Multi Channel
Operating Wavelength Range: 1310-1550nm
Dynamic Attenuation Range (max): 30 dB
Insertion Loss (max): 70 dB
Return Loss (min): 70 dB
Data Sheet
Metrotek SM Variable Attenuator
Metrotek
Fiber Systems offers a SM variable attenuator that is adjustable from 1 to 30db using a non calibrated knurled knob. The attenuator uses a micro-bending technique to produce a back reflection of < -70dB. Operating temperature is -10 to +70 degree C. The attenuator comes standard with 1 meter 900u pigtails that can be terminated ...

Specifications

Number Of Channels: Multi Channel
Operating Wavelength Range: 1310-1550nm
Dynamic Attenuation Range (max): 30 dB
Insertion Loss (max): 70 dB
Return Loss (min): 70 dB
Data Sheet
Metrotek MM Variable Attenuator
Metrotek
Fiber Systems offers a variable attenuator that is adjustable from 1 to 30db using a non calibrated thumb wheel. The attenuator uses angled ferrules and air gap technologies to produce a back reflection of < -70dB. This method also allows the device to be wavelength independent. The attenuation range will increase when used at ...

Specifications

Number Of Channels: Multi Channel
Operating Wavelength Range: 1310-1550nm
Dynamic Attenuation Range (max): 30 dB
Insertion Loss (max): 70 dB
Return Loss (min): 70 dB
Data Sheet
ST Attenuators
Senko Advanced Components
A fiber optic attenuator is a passive device used to reduce the amplitude of a light signal without significantly changing the wave form itself. This is often a requirement in Dense Wave Division Multiplexing (DWDM) and Erbium Doped Fiber Amplifier (EDFA) applications where the receiver cannot accept the signal generated from a ...

Specifications

Number Of Channels: Single Channel, Multi Channel
Operating Wavelength Range: 1250-1625nm
Dynamic Attenuation Range (max): 30 dB
Insertion Loss (max): N/A dB
Return Loss (min): 50 dB
Data Sheet
MU Attenuators
Senko Advanced Components
A fiber optic attenuator is a passive device used to reduce the amplitude of a light signal without significantly changing the wave form itself. This is often a requirement in Dense Wave Division Multiplexing (DWDM) and Erbium Doped Fiber Amplifier (EDFA) applications where the receiver cannot accept the signal generated from a ...

Specifications

Number Of Channels: Single Channel, Multi Channel
Operating Wavelength Range: 1250-1625nm
Dynamic Attenuation Range (max): 30 dB
Insertion Loss (max): N/A dB
Return Loss (min): 50 dB
Data Sheet
FC APC Attenuators
Senko Advanced Components
A fiber optic attenuator is a passive device used to reduce the amplitude of a light signal without significantly changing the wave form itself. This is often a requirement in Dense Wave Division Multiplexing (DWDM) and Erbium Doped Fiber Amplifier (EDFA) applications where the receiver cannot accept the signal generated from a ...

Specifications

Number Of Channels: Single Channel, Multi Channel
Operating Wavelength Range: 1250-1625nm
Dynamic Attenuation Range (max): 30 dB
Insertion Loss (max): N/A dB
Return Loss (min): 50 dB
Data Sheet
FC Attenuators
Senko Advanced Components
A fiber optic attenuator is a passive device used to reduce the amplitude of a light signal without significantly changing the wave form itself. This is often a requirement in Dense Wave Division Multiplexing (DWDM) and Erbium Doped Fiber Amplifier (EDFA) applications where the receiver cannot accept the signal generated from a ...

Specifications

Number Of Channels: Single Channel, Multi Channel
Operating Wavelength Range: 1250-1625nm
Dynamic Attenuation Range (max): 30 dB
Insertion Loss (max): N/A dB
Return Loss (min): 50 dB
Data Sheet
LC Attenuators
Senko Advanced Components
A fiber optic attenuator is a passive device used to reduce the amplitude of a light signal without significantly changing the wave form itself. This is often a requirement in Dense Wave Division Multiplexing (DWDM) and Erbium Doped Fiber Amplifier (EDFA) applications where the receiver cannot accept the signal generated from a ...

Specifications

Number Of Channels: Single Channel, Multi Channel
Operating Wavelength Range: 1250-1625nm
Dynamic Attenuation Range (max): 30 dB
Insertion Loss (max): N/A dB
Return Loss (min): 50 dB
Data Sheet
SC APC Attenuators
Senko Advanced Components
A fiber optic attenuator is a passive device used to reduce the amplitude of a light signal without significantly changing the wave form itself. This is often a requirement in Dense Wave Division Multiplexing (DWDM) and Erbium Doped Fiber Amplifier (EDFA) applications where the receiver cannot accept the signal generated from a ...

Specifications

Number Of Channels: Single Channel, Multi Channel
Operating Wavelength Range: 1250-1625nm
Dynamic Attenuation Range (max): 30 dB
Insertion Loss (max): N/A dB
Return Loss (min): 50 dB
Data Sheet
SC Attenuators
Senko Advanced Components
A fiber optic attenuator is a passive device used to reduce the amplitude of a light signal without significantly changing the wave form itself. This is often a requirement in Dense Wave Division Multiplexing (DWDM) and Erbium Doped Fiber Amplifier (EDFA) applications where the receiver cannot accept the signal generated from a ...

Specifications

Number Of Channels: Single Channel, Multi Channel
Operating Wavelength Range: 1250-1625nm
Dynamic Attenuation Range (max): 30 dB
Insertion Loss (max): N/A dB
Return Loss (min): 50 dB
Data Sheet

Frequently Asked Questions

A Fiber Optic Attenuator is an optical device used to reduce the power level of an optical signal in a fiber optic communication system. Its primary function is to prevent signal overpowering and ensure that the signal strength is within the range that the receiver can accurately interpret.

Fiber Optic Attenuators help in maintaining signal integrity by reducing signal power to optimal levels, preventing saturation of the receiver. This ensures that the signal-to-noise ratio is maintained within acceptable limits, leading to a reduction in bit errors and improved overall communication quality.

The common types of Fiber Optic Attenuators include Fixed Attenuators, Variable Attenuators, Stepwise Variable Attenuators, and Continuously Variable Attenuators. Fixed Attenuators have a set attenuation level, while Variable Attenuators allow for adjustment of the attenuation level as needed.

Fiber Optic Attenuators are crucial in scenarios where the signal power is too strong for the receiver, such as in short-distance transmissions, and in test and measurement applications. They are also important in matching the power levels of different signals in Wavelength Division Multiplexing (WDM) systems.

When selecting a Fiber Optic Attenuator, consider the attenuation level (in dB), wavelength range, maximum input power, return loss, connector type (e.g., LC, SC, FC), and whether you need a fixed or variable attenuator. These specifications are vital to ensure compatibility and optimal performance in your fiber optic network.

Fixed Attenuators are used when a specific, constant level of attenuation is required. They are typically used in network applications where the transmission power and link losses are known. Variable Attenuators, on the other hand, are used in scenarios where the attenuation levels need to be adjusted, such as in testing environments or dynamically changing networks.

Yes, Fiber Optic Attenuators are available for both single-mode and multi-mode fibers. It is important to select the correct type of attenuator based on the fiber mode, as using an attenuator designed for a different mode can result in suboptimal performance and higher signal losses.

Fiber Optic Attenuators: Optimizing Signal Strength in Optical Communication

Fiber optic communication has revolutionized the way data is transmitted over long distances. A crucial component in the fiber optic network ecosystem is the Fiber Optic Attenuator. In this article, we delve into the intricate world of these devices, exploring their functionality, types, applications, and importance in the seamless operation of fiber optic networks.

Introduction to Fiber Optic Attenuators

Fiber Optic Attenuators are specialized devices designed to reduce the power level of an optical signal as it travels through a fiber optic communication system. This is often necessary to prevent signal overpowering, which can lead to data corruption or loss. By precisely controlling the strength of the optical signal, Fiber Optic Attenuators protect the receiver from being overwhelmed by too much light and ensure the fidelity of data transmission.

Working Principle

The fundamental working principle of a Fiber Optic Attenuator is to absorb or scatter a portion of the light signal, thereby reducing its power. The attenuator is usually positioned at the receiver end or in-line to deliberately weaken the signal to a level that matches the receiver's sensitivity.

Types of Fiber Optic Attenuators

There are several types of Fiber Optic Attenuators, each serving distinct functions and applications.

Fixed Attenuators: Fixed Attenuators have a preset optical attenuation level. These are typically used in networks where transmission power and link losses are known, and constant attenuation is needed. Fixed attenuators are reliable, low maintenance, and come in various connector types such as FC, SC, and LC.

Variable Attenuators: Variable Attenuators, as the name suggests, allow for the adjustment of the attenuation level. These are ideal for testing environments and applications where dynamic adjustments are necessary due to varying network conditions.

Stepwise Variable Attenuators: Stepwise Variable Attenuators allow users to adjust attenuation levels in discrete steps. These are particularly useful in laboratory settings for testing and calibrating equipment.

Continuously Variable Attenuators: Continuously Variable Attenuators offer the most flexibility, allowing for the fine-tuning of attenuation levels without discrete steps. These are widely used in research and development settings.

Applications of Fiber Optic Attenuators

Fiber Optic Attenuators have a wide range of applications across various industries.

Telecommunications: In telecommunications networks, Fiber Optic Attenuators are indispensable in ensuring signal integrity, especially in short-distance communications where the signal strength can be too high for the receiver.

Wavelength Division Multiplexing Systems: In Wavelength Division Multiplexing (WDM) systems, attenuators are used to balance the signal strength of different wavelengths, ensuring that none of the channels are overpowering or too weak.

Test and Measurement: Attenuators are essential tools in test and measurement applications. They are used to simulate different levels of signal loss and evaluate the performance of optical components under various conditions.

Selecting a Fiber Optic Attenuator

When selecting a Fiber Optic Attenuator for your network, several factors should be considered to ensure compatibility and optimal performance.

  • Attenuation Level: Determine the required attenuation level (in dB) to ensure that the signal power is compatible with the receiver's sensitivity.
  • Wavelength: Select an attenuator that is compatible with the operating wavelength of your system.
  • Connector Type: Choose the appropriate connector type (FC, SC, LC, etc.) that matches the connectors in your network.
  • Maximum Input Power: Ensure that the attenuator can handle the maximum power levels in your system without being damaged.

The Role of Fiber Optic Attenuators in Network Optimization

Fiber Optic Attenuators play an essential role in optimizing optical communication networks. By precisely controlling the power levels of optical signals, they protect the components from damage and ensure the integrity of data transmission. Whether it’s in telecommunications, WDM systems, or testing environments, Fiber Optic Attenuators prove to be indispensable in achieving high performance and reliability in fiber optic communications.

Did You know?

Did you know that Fiber Optic Attenuators are instrumental devices in ensuring the smooth flow of communication within fiber optic networks? By controlling the power level of optical signals, they serve as safeguards against overpowering, a common issue that can lead to signal distortion and data loss. These devices curtail signal strength, ensuring it remains within a range that receivers can accurately decipher. There are multiple types of Fiber Optic Attenuators, each designed to meet specific requirements. Fixed Attenuators offer a predetermined level of signal reduction, ideal for systems with known transmission power and link losses. On the other hand, Variable Attenuators offer the flexibility to adjust signal strength as needed, catering to dynamic network conditions and testing environments. Furthermore, Fiber Optic Attenuators play a vital role in both single-mode and multi-mode fiber systems, enabling optimal performance across diverse applications. Whether it's in short-distance transmissions, Wavelength Division Multiplexing systems, or test and measurement applications, these devices are truly the unsung heroes in maintaining signal integrity and quality in fiber optic communications.