Polarization Maintaining Fused Coupler

DK Photonics uses unique fusing technique and polarization maintaining fiber to build the polarization maintaining fused coupler (PMC).The coupling ratio could be selected according to customer’s request.

DK Photonics uses unique fusing technique and polarization maintaining fiber to build the polarization maintaining fused coupler (PMC).The coupling ratio could be selected according to customer’s request. It features low excess loss, small size and high polarization extinction ratio. PMC is widely used for optical sensors and optical gyro.

The Polarization Maintaining Fused Coupler is a polarization maintaining coupler which either splits the light from the input PM fiber into two output PM fibers, or combines light signals from two PM fibers into a single PM fiber. The rugged stainless steel package is designed for high optical performance and stability. This compact device offers low excess insertion loss, low back reflection, and high extinction ratio. Split ratios from 1 to 50% are available.

The device can be used to split high power linearly polarized light into multiple paths without perturbing the line are state of polarization (SOP).It can also be used as a power tap to monitor signal power in a PM fiber system without disturbing the linear SOP of light propagating in the PM fiber. Applications include PM fiber interferometers, power sharing in polarization sensitive systems, and signal monitoring in PM fiber systems.

DK Photonics offers a large selection of PM Filter or Fused  Coupler. These devices can handle powers rang from 300mW to 2W(fused type) or other on request, available in 1×2 and 2×2 types, and have center operating wavelengths ranging from 850 nm to 1650nm.

If you do not see a standard PM Fused Coupler that meets your needs, we welcome the opportunity to review your desired specification and quote a custom PM Fused Coupler. Requests for custom fiber pigtails,different coupling ratio, different wavelengths and handling power of operation or other specific needs will be readily addressed.

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

Polarization Maintaining Fused Coupler(1x2.2x2)1

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