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Twin Polarization Maintaining Isolator
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Features |
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Applications |
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High Isolation |
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Fiber Optic Lasers |
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Low Insertion Loss |
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Fiber Amplifiers |
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High Extinction Ratio |
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Fiber Sensors |
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Low Cost |
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Research |
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Specifications |
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Parameters |
Unit |
Values |
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Stage |
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Single Stage |
Dual Stage |
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Center Wavelength |
nm |
1310, 1480 or 1550 |
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Operating Wavelength Range |
nm |
¡À20 |
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Typ. Peak Isolation (Port 4 to Port 1, Port 3 to Port 2) |
dB |
42 |
58 |
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Min. Isolation (Port 4 to Port 1, Port 3 to Port 2) at 23¡æ |
dB |
28 |
48 |
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Typ. Insertion Loss (Port 1 to Port 4, Port 2 to Port 3) at 23¡æ |
dB |
0.45 |
0.55 |
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Max. Insertion Loss (Port 1 to Port 4, Port 2 to Port 3) |
dB |
0.65 |
0.75 |
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Min. Return Loss (Input/Output) |
dB |
50 |
50 |
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Min. Directivity (Port 1 to Port 2, Port 3 to Port 4) at 23¡æ |
dB |
50 |
50 |
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Min. Crosstalk (Port 1 to Port 3, Port 2 to Port 4) at 23¡æ |
dB |
50 |
50 |
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Min. Extinction Ratio (only for B-Type) |
dB |
20 |
20 |
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Min. Extinction Ratio (only for F-Type) |
dB |
22 |
22 |
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Max. Optical Power (CW) |
mW |
500 |
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Max. Tensile Load |
N |
5 |
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Fiber Type |
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PM Panda Fiber |
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Operating Temperature |
¡æ |
-5 to +70 |
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Storage Temperature |
¡æ |
-40 to +85 |
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*Above specifications are for device without connector. |
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*For devices with connectors, IL will be 0.3dB higher, RL will be 5dB lower and ER will be 2dB lower. |
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*The PM fiber and the connector key are aligned to the slow axis. |
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Package Dimensions |
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Ordering Information |
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ATPMI-¢Ù¢Ù-¢Ú-¢Û-¢Ü¢Ü¢Ü¢Ü-¢Ý¢Ý¢Ý¢Ý-¢Þ |
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¢Ù¢Ù: Wavelength |
¢Û: Axis Alignment |
¢Ý¢Ý¢Ý¢Ý: Fiber Jacket on Port 1 & 2 |
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31 - 1310nm |
F - Fast Axis Blocked |
B - 250um Fiber |
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48 - 1480nm |
B - Both Axis Working |
D - 400um Fiber |
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55 - 1550nm |
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L - 900um Loose Tube |
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SS - Specify |
¢Ü¢Ü¢Ü¢Ü: Connector Type on Port 1 & 2 |
S - Specify |
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1 - FC/UPC |
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¢Ú: Stage |
2 - FC/APC |
¢Þ: Fiber Length |
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S - Single Stage |
3 - SC/UPC |
0.8 - 0.8 m |
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D - Dual Stage |
4 - SC/APC |
S - Specify |
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N - None |
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S - Specify |
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