1. 1x3 1x4 3x3 Single Mode Wideband Optical Coupler
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    1x3 1x4 3x3 Single Mode Wideband Optical Coupler

    Model SWB
    Price:   US$44.99 US$39.99
    Available Options:
    Center Wavelength:
    Connector Type:
    Port Number:

1x3 and 1x4 single mode monolithic star couplers have compact package size, low insertion loss, wide bandwidth and high reliability in performance. These couplers are designed for applications in compact optical modules, fiber sensors and optical testing instruments.


  • Ultra compact size
  • Low excess loss
  • Low PDL
  • Low wavelength dependence
  • Environmentally stable


  • Optical Fiber Communication Systems
  • Fiber sensors
  • Test Instruments


1x3 Coupler

1x4 Coupler

Ordering Information:

w: Center Wavelength in nm; w=1550 for 1550nm, etc.
a: Port Number of the coupler; a=1x3; a=1x4, etc.
b: Quality Grade of the coupler; b=A for standard grade coupler; b=P for premium grade coupler.
c: Fiber Pigtail Type; c=0 for 250 micron bare fiber; c=1 for 0.9mm loose tube pigtail, etc.
d: Connector Type, d=FA for FC/APC, d=SU for SC/UPC, d=N for no connectors, etc.

Example: SWB-1310-1x4-P-1-FU

1x3 1x4 optical couplers 1*3 1*4 fiber couplers fused fiber single mode 1310 1550nm