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Optical Signal Conditioning Products

Optical attenuators and switches are used to control signal power and routing. Keysight's variable optical attenuators combine high performance with advanced functionality.

The single-mode fiber N7761A, N7762A and N7764A provide 1, 2 or 4 attenuation channels in a compact remote-controlled instrument. These attenuators provide very fast adjustment and have built-in output power monitoring for accurate power setting and control, as needed for receiver sensitivity testing or in system simulations.

The new multimode fiber N7766A and N7768A are the 2 and 4 channel instruments for multimode applications. The minature bulk optics with parallel-beam path is designed for homogeneous attenuation of the mode distribution for well-controlled launch conditions to the device under test. Power settings times of under 200ms speed manufacturing processes.

The N7751A and N7752A combine one or two single-mode fiber attenuators with 2 power meter channels, for very convenient path loss calibration and power measurement. Built-in routines can directly use the power reading to set offset values for the attenuator.

The 8157xA-series modular attenuators are optimized for handling high power levels and wavelength-flat control of multiple wavelengths, especially for optical amplifier test and metrology applications. The 81576A and 81577A also include power monitoring and control.

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  • N7731A Two-Channel 1x4 Optical Switch - NEW! N7731A Two-Channel 1x4 Optical Switch - NEW! 

    N7731A Two-Channel 1x4 Optical Switch - NEW!

    The N7731A is a dual 1x4 fiberoptic switch, available for single-mode or multimode fiber connections.

  • N7734A 1x13 Optical Switch - NEW! N7734A 1x13 Optical Switch - NEW! 

    N7734A 1x13 Optical Switch - NEW!

    The N7734A is a 1x13 fiberoptic switch, available for single-mode or multimode fiber connections.

  • N7751A 1-Channel Optical Attenuator and Power Meter N7751A 1-Channel Optical Attenuator and Power Meter 

    N7751A 1-Channel Optical Attenuator and Power Meter

    The N7751A combines a power-monitored attenuator with two extra power meter channels. It is a compact remote-controlled instrument with fast attenuation and power adjustment, combined with fast power measurement capability.

  • N7752A 2-Channel Optical Attenuator and Power Meter N7752A 2-Channel Optical Attenuator and Power Meter 

    N7752A 2-Channel Optical Attenuator and Power Meter

    The N7752A combines a power-monitored attenuator with two extra power meter channels. It is a compact remote-controlled instrument with fast attenuation and power adjustment, combined with fast power measurement capability.

  • N7761A 1-Channel Variable Optical Attenuator N7761A 1-Channel Variable Optical Attenuator 

    N7761A 1-Channel Variable Optical Attenuator

    The N7761A is a power-monitored attenuator. It is a compact remote-controlled instrument with fast attenuation and power adjustment at an affordable price.

  • N7762A 2-Channel Variable Optical Attenuator N7762A 2-Channel Variable Optical Attenuator 

    N7762A 2-Channel Variable Optical Attenuator

    The Keysight N7762A variable optical attenuator offers exceptional performance at a low price.

  • N7764A 4-Channel Variable Optical Attenuator N7764A 4-Channel Variable Optical Attenuator 

    N7764A 4-Channel Variable Optical Attenuator

    The N7764A is a four-channel power-monitored attenuator. It is a compact remote-controlled instrument with fast attenuation and power adjustment at an affordable price.

  • N7766A Two-Channel Multimode Optical Attenuator N7766A Two-Channel Multimode Optical Attenuator 

    N7766A Two-Channel Multimode Optical Attenuator

    The N7766A is a two-channel power-monitored attenuator for multimode fiber applications. Speed, compactness and optical quality are optimized for manufacturing test.

  • N7768A Four-Channel Multimode Optical Attenuator N7768A Four-Channel Multimode Optical Attenuator 

    N7768A Four-Channel Multimode Optical Attenuator

    The N7768A is a four-channel power-monitored attenuator for multimode fiber applications. Speed, compactness and optical quality are optimized for manufacturing test.

  • 81570A Variable Optical Attenuator Module with Straight Interface 81570A Variable Optical Attenuator Module with Straight Interface 

    81570A Variable Optical Attenuator Module with Straight Interface

    The Keysight 81570A feature excellent wavelength flatness and can handle high input power levels.

  • 81571A Variable Optical Attenuator Module with Angled Interface 81571A Variable Optical Attenuator Module with Angled Interface 

    81571A Variable Optical Attenuator Module with Angled Interface

    The Keysight 81571A feature excellent wavelength flatness and can handle high input power levels.

  • 81576A Variable Optical Attenuator Modules with Power Control and Straight Interface 81576A Variable Optical Attenuator Modules with Power Control and Straight Interface 

    81576A Variable Optical Attenuator Modules with Power Control and Straight Interface

    The Keysight 81576A features excellent wavelength flatness and can handle high input power levels. Additionally, the 81576A features a power control to set the output power level of the attenuator.

  • 81577A Variable Optical Attenuator Modules with Power Control and Angled Interface 81577A Variable Optical Attenuator Modules with Power Control and Angled Interface 

    81577A Variable Optical Attenuator Modules with Power Control and Angled Interface

    The Keysight 81577A features excellent wavelength flatness and can handle high input power levels. Additionally, the 81577A features a power control to set the output power level of the attenuator.

  • 81578A Variable Optical Attenuator Module for Multimode Fiber Applications 81578A Variable Optical Attenuator Module for Multimode Fiber Applications 

    81578A Variable Optical Attenuator Module for Multimode Fiber Applications

    The Keysight 81578A is designed for 50um and 62.5um multimode fiber applications. It features excellent wavelength flatness and can handle input power levels up to +27dBm.

  • 81595B 1x4 Optical Switch Module 81595B 1x4 Optical Switch Module 

    81595B 1x4 Optical Switch Module

    Optical Switch modules for SM/MM fiber based signals