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638nm Polarization Maintaining Isolator

The 638nm Polarization Maintaining Isolator is a passive device that guides lights at 638nm in only one direction while minimizing unwanted feedback. It is characterized with low insertion loss, high extinction ratio, high isolation, and excellent environmental stability and reliability.?


Key Features

Low insertion loss

High extinction ratio

High isolation

Excellent stability and reliability?


Applications

Fiber Sensors?

Instrumentation



  • Details
  • Picture

638nm?Polarization Maintaining?Isolator(PMISO).pdf


Specifications

??????????????????????? Type

Parameter

Unit

Value

Center ? wavelength

nm

638

Operating ? bandwidth

nm

±10

Typ. ? Insertion loss @23

dB

≤1.3

Max. ? Insertion loss @23

dB

≤1.6

Extinction ? ratio

dB

≥20

Min. ? Isolation?λc, 23, all polarization states

dB

≥23

Return ? loss

dB

≥45

Handling ? power

mW

≤300

Fiber ? type

/

PM ? Panda Fiber

Operating ? temperature

+23 ? ~ +45

Storgae ? temperature

-20 ? ~ +70

Dimensions

mm

20 x L66

* IL is 1.5dB higher, RL is 5dB lower and ER is 3dB lower for each connector added. The default connector key is aligned to slow axis.


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