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Optical Isolator

Polarization-insensitive optical isolators have a variety of uses, which is their greatest benefit. They are applicable in a variety of applications where the polarization condition of the incoming light is unknown or varies.

Specification

GEZHI in-lin Polarization Insensitive Fiber Optical Isolator utilizes Faraday effect of Magneto optical crystal. It guides optical light in one direction and eliminates back reflection and back scattering in the reverse direction at any polarization sate. They are used to protect sensitive optical components, such as laser diodes, from damage caused by back reflections. A polarization-insensitive optical isolator is one that operates effectively regardless of the polarization state of the incident light.

It has been widely used in EDFAs, Raman amplifiers, DWDM systems, Fiber lasers, transmitters and other fiber optic communication equipments to suppress back reflection and back scattering.

Features

Low Insertion Loss
Low PDL
High Isolation & Return Loss
High Stability and reliability

Applications

Fiber Laser
Fiber Sensor
CATV Fiberoptic Links
Optical Amplifier

Specifications

Parameter	Unit	Specification
Wavelength	nm	1310, 1480, 1550, 1585, 1590		C+L Band	S+C+L Band
Bandwidth	nm	±15		1530~1610	1460~1620
Stage	/	Single stage	Dual stage	Single stage	Single stage
Typical Isolation	dB	0.35	0.4	0.5	0.6
Maximux Insertion Loss	dB	≤0.55	≤0.6	≤0.8	≤0.9
Peak Isolation	dB	42	56	58	58
Minimux Isolation	dB	≥28	≥46	≥35	≥32
Return Loss	dB	≥60/55		≥50/50	≥50/50
Polarization Dependent Loss	dB	≤0.05		≤0.1	≤0.1
Power	mW	300
Fiber Type	/	SMF-28e
Operating Temperature	℃	-5~+70
Storage Temperature	℃	-40~+85
Dimensions	mm	Φ5.5x35

Note: 1. Customization is available.

2. Specified without connector, and add an additional 0.2dB loss per connector.

Mechanical Drawing

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Ordering Information

PN: ISO-X-XX-X-XX-XX-X-XX

Isolator

Wavelength

Package

Fiber Diameter

Fiber Length

Fiber Type

Connector

S=Single Stage

D=Dual Stage

13=1310nm

14=1480nm

15=1550nm

58=1585nm

59=1590nm

CL=C+L Band

SCL=S+C+L Band

S1=Φ5.5x35mm

A9=90x20x10mm

X=Others

25=250um

90=900um

20=2.0mm

30=3.0mm

X=Others

05=0.5m

10=1.0m

15=1.5m

X=Others

9=9/125

X=Others

OO=None

FP=FC/PC

FA=FC/APC

SP=SC/PC

SA=SC/APC

LP=LC/PC

LA=LC/APC

X= Others

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