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Polarization Maintaining Fiber Optical Isolator Dual Stage 900um

Categories Fiber Optical Isolator
Brand Name: Unifiber or OEM
Model Number: PM Optical Isolator
Certification: Rohs
Place of Origin: China
MOQ: 10
Price: Negotiable
Payment Terms: L/C, T/T
Supply Ability: 1000
Delivery Time: 3~5
Packaging Details: Blister case
Product: Polarization Maintaining PM Optical Isolator
Wavelength: 1310nm 1550nm
Axis Alignment: Fast Axis or Both Axis Working
Isolator Type: Single Stage or Dual Stage
Pigtail type: Bare Fiber or 900um Loose Tube
Fiber type: PM Panda Fiber
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Polarization Maintaining Fiber Optical Isolator Dual Stage 900um

Polarization Maintaining Fiber Optical Isolator Dual Stage 900um


Description of Polarization Maintaining PM Optical Isolator Single Stage or Dual Stage

The polarization-maintaining isolator uses panda polarization-maintaining fiber and maintains the input light polarization with a high extinction ratio, it is a passive optical device that allows only one-way light to pass through. Unifiber provides single stage and dual stage isolator with different wavelength including 1030nm 1040nm 1050nm 1053nm 1060nm 1064nm 1310nm 1480nm 1550nm or others, it usually used to protect lasers or amplifiers from back-reflected light.


Feature

High IsolationLow Insertion Loss
High Return Loss
High stability and reliability
Epoxy free on optical path


Application

Fiber sensor

Fiber Laser

Fiber optic Amplifiers

Optical network
Power monitoring


Specification

Parameter
Single Grade
Dual Grade
P
A
P
A
Operating wavelength (nm)
1310,1480, 1550
Bandwidth (nm)
±20
Peak isolation (dB)
42
40
58
55
Isolation (at 23℃) (dB)
≥28
≥26
≥48
≥45
Typ. Insertion Loss (at 23℃)
0.4
0.5
0.5
0.6
Insertion Loss (at-5 ~ +70 ℃)
≤0.55
≤0.65
≤0.65
≤0.80
Extinction Ratio (dB)
Type 2
(Both of axis working)
≥20
≥18
≥20
≥18
Type 1
(Fast axis blocked)
≥25
≥23
≥25
≥23
Return loss (Input/Output) (dB)
≥55
Power handling (mW)
≤300
Fiber Type
PM Panda fiber
Operating temperature (℃)
-5~+70
Storage temperature (℃)
-40 ~ +80
Dimensions (mm)
φ5.5×L35

Picture of Single/Dual Stage Polarization Maintaining PM Fiber Optic Isolator

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