4 Port Polarization Maintaining Optical Circulator

Availability: In Stock

Operating Wavelength *

Type *

Fiber Diameter *

Fiber Length *

Connector *

Volume Price :$70 - $95

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Description

Features
Applications
 
  • Low Insertion Loss
  • High Extinction Ratio
  • Compact In-Line Package
  • High Stability and Reliability
  • Fiber Optic Instruments
  • Fiber Sensors
  • Coherent Detecting
  • Research

 

Performance Specifications

Parameter Values
Type Type   A Type B
Center Wavelength(nm) 1310 or 1550
Operating Wavelength Range(nm) ± 30 ± 20
Min. Isolation(dB) 40 20
Typ. Isolation(dB) 50 30
Peak Isolation(dB) 55 40
Typ. Insertion Loss(dB) 0.8 0.7
Max. Insertion Loss(dB) 1.1 1.0
Min. Extinction Ratio(dB) 20 20
Min. Return Loss(dB) 55
Min. Cross Talk(dB) 50
Max. Optical Power (CW) (mW) 500
Max. Tensile Load(N) 5
Fiber Type PM Panda Fiber
Operating Temperature(℃) -5 to +70
Storage Temperature(℃) -40 to +85
Package Dimensions (mm) Ø5.5 x L35

1. Above specifications are for device without connector.

2. For devices with connectors, IL will be 0.3dB higher, RL will be 5dB lower and ER will be 2dB lower.

3. The PM fiber and the connector key are aligned to the slow axis and fast axis is blocked.

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Characterized with low insertion loss, broad band high isolation, high extinction ratio and high stability and optical path epoxy free, the Polarization Maintaining Fiber Circulators have a wide range of applications in Polarization Maintaining Fiber Amplifiers, Fiber Lasers, high speed communication systems and instrumentation applications.

A fiber optic circulator is used to separate optical signals that travel in opposite directions in an optical fiber, analogous to the operation of an electronic circulator.An optical circulator is a three- or four-port device designed such that light entering any port exits from the next. This means that if light enters port 1 it is emitted from port 2, but if some of the emitted light is reflected back to the circulator, it does not come out of port 1 but instead exits from port 3.

Optical Circulators can be used to achieve bi-directional transmission over a single fiber. Because of their high isolation of the input and reflected optical powers and their low insertion loss, optical circulators are widely used in advanced communication systems and fiber-optic sensor applications.

Optical circulators are non-reciprocal optics, which means that changes in the properties of light passing through the device are not reversed when the light passes through in the opposite direction. This can only happen when the symmetry of the system is broken, for example by an external magnetic field. A Faraday rotator is another example of a non-reciprocal optical device, and indeed it is possible to construct an optical circulator based on a Faraday rotator.

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