1310nm&1550nm 4 Port Polarization Insensitive Optical Circulator

Availability: In Stock

Operating Wavelength *

Grade *

Fiber Diameter *

Fiber Length *

Connector *

Volume Price :$70 - $95

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Description

Features
Applications
  • Low Insertion Loss
  • Wide Band High Isolation
  • Low PDL
  • High Stability and Reliability
  • Epoxy Free Optical Path
  • Compact In-Line Package
  • Optical Amplifier
  • Metro Area Network
  • Dispersion Compensation
  • Wavelength Add / Drop
  • Bi-Direction Communication

Performance Specifications

Parameter P Grade         A Grade
Configuration Port 1 to Port 2 to Port 3 to Port 4
Operation Wavelength (nm) 1310, 1550±30
Insertion Loss (dB) Typical 0.8 1.0
Maximum 1.0 1.2
Channel Peak Isolation (dB) 50
Channel Minimum Isolation (dB) 38
Channel Cross Talk (dB) >50
Polarization Dependent Loss (dB) <0.15
Polarization Mode Dispersion (p s) <0.1
Return Loss (dB) >50
Maximum Power Handling (mw) 300
Operating Temperature (°C) 0 ~+70
Storage Temperature (°C) -40 ~+85
Package Dimension (mm) OD5.5 x L60 or L63

**Specifications may change without notice.

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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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