The PM isolator is a two port micro optic device build with PM fiber. PM isolator guides optical light in one direction and eliminates back reflection and back scattering in the reverse direction.
| Parameter | Single Stage | Dual Stage |
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Operating Wavelength (nm) |
1310, 1480, or 1550 |
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Typical Peak Isolation (dB) |
40 |
58 |
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Minimum Isolation * (dB) |
>30 |
>46 |
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Typical Insertion Loss** (dB) |
0.4 |
0.6 |
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Maximum Insertion Loss (dB) |
<0.6 |
<0.8 |
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Minimum Return loss (In/Out) (dB) |
55/50 |
55/50 |
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Min. Extinction Ratio(dB) |
18~20 |
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Bandwidth (nm) |
+15 +30 |
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Operating Temperature (° C) |
-5 ~ +70 |
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Storage Temperature (° C) |
-40 ~ +85 |
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Fiber Type |
250um or 400um PM Fiber |
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Fiber Length (Min.) |
1 meter each end |
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Dimensions (mm) |
ø5.5xL35 (50mm Including rubber boots) |
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Power Handling (mW) |
300 |
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* At 23° C over bandwidth
** Does not include connector, splice and fiber-end fresnel losses.
***Including PDL, center wavelength ±15nm, -5°C to +70°C.
Ordering Information for PM isolator
|
Isolator Type |
Wavelength |
Grade |
Pigtail Style |
Fiber Length |
Package |
In/Out Connector |
|
PMIS=Single stage |
13=1310nm |
P=Premium |
1=Bare Fiber |
1=0.75m |
B=Package B |
0=None |
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PMIU=Dual stage |
14=1480nm |
2=900um Jacket |
2=1.0m |
1=FC/APC |
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15=1550nm |
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3=1.5m |
2=FC/PC |
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LB=L Band |
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S=Custom Length |
3=SC/APC |
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4=SC/PC |
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5=ST |
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6=LC |