1. Optical Fiber Isolators - 2 in 1
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    Optical Fiber Isolators - 2 in 1

    Model ISO21
    Price:   US$129.00 US$109.99
    Available Options:
    Connector Type:
    Isolator Stages:
    Pigtail Type:
    Wavelength Range:
Optical isolators (two in one) integrate two independent high performance single stage or dual stage optical isolators into one compact package of a single isolator. It is a cost-effective solution for fiber optical systems with strict limitation on size.


  • Wide operating wavelength and temperature range
  • Low insertion loss
  • High isolation
  • Ultra-low PDL and PMD
  • Compact size (only half size of two ordinary isolators)


  • EDFA
  • CATV fiber optic links
  • WDM and DWDM systems
  • Fiber optical instruments
  • Transmitters and fiber lasers



Single Stage:

Dual Stages:

Ordering Information:

a: Center Wavelength of the isolator, a=1550.
b: ID - Number of Isolator Stage; b=S for single stage isolators; b=D for dual stage isolators.
e: Quality Grade; e=A or e=P.
c: Pigtail Type, c=0 for 250 micron bare fiber; c=1 for 900 micron loose tube pigtail, etc.
d: Connector Type, d=FA for FC/APC, d=SU for SC/UPC, d=N for no connectors, etc.

Example: ISO21-1550-D-P-0-N

See also: Isolators at special wavelengths, WDM Coupler and Isolator Hybrid dual stage isolator, double stage, single stage optical fiber isolators