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Free Space Isolator (FSIE Series)

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Product Name: Free Space Isolator Epoxy (FSIE Series)

The GR-1221 qualified Miniature Free Space Isolators are made by sheet polarizer and  YIG crystal bonded together by epoxy. It's commonly used in laser diode packages for telcommunication transmitters. The physical dimensions and optical aperature can be designed to fit your needs. It comes in single stage or semi-double stage for higher isolation or wider temperature range.


Specifications

Parameter

Unit

Single Stage

Dual Stage

Center Wavelength (λc)

nm

1310 or 1550

Typ. Insertion Loss

dB

0.12

0.20

Max. Insertion Loss

dB

0.30

0.50

Peak Isolation

dB

40

55

Min. Isolation, 23

dB

30

40

Clear Aperture

mm

0.4-0.9

Max. Optical Power (Continuous Wave)

mW

300

Polarization Plane of Input

 

As Indicated

Tilt Angle of Input Plane

degree

6

Operating Temperature

-40 to +85

Storage Temperature

-40 to +85

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