Unifiber's polarization maintaining (PM) fiber-optic tap isolator
combines the functionality of PM isolator, PM fiber coupler and PM
FWDM into one compact package to saving cost and device dimension.
it has extremely low insertion loss, and can improve the fiber
amplifier,fiber laser performance.
| Parameter | Unit | Value |
| Stage | - | Single | Dual | Single | Dual |
| Signal Wavelength | nm | 1064±5 | 1550±15 |
| Signal Wavelength Range | nm | 1020~1080 | 1520~1580 |
| Max. Excess Loss, λc, at 23℃ (Input to Output) | dB | 2.5 | 3.5 | 1.3 | 1.4 |
| Min. Signal Isolation, λc,±15 at 23℃(Output to Input) | dB | 35 | 45 | 28 | 45 |
| Isolation for Channels | Signal Channel | dB | 30 |
| Pump Channel | dB | 12 |
| Tap Ratio | % | 1~50 |
| Pump Wavelength Range | nm | 980±10 |
| Max. Insertion Loss (Pump Channel) | dB | 0.7 |
| Min. Extinction Ratio at 23℃, only for PM Channel | dB | 20 |
| Min. Return Loss | dB | 50 |
| Max. Optical Power(CW) | mW | 300 |
| Max.Tensile Load | N | 5 |
| Operating Temperature | ℃ | -5~+50 |
| Storage Temperature | ℃ | -40~+85 |
Working Axis Type:
Option 1, Forward pump: Input to Tap: Both axis working; Input to Output: Fast axis
blocked
Option 2, Forward pump: Input to Tap: Both axis working; Input to Output: Both aixs
working
Option 3, Backward pump: Input to Tap: Fast axis blocked; Input to Output: Fast axis
blocked
Option 4, Forward pump: Input to Tap: PM to SM, PI; Input to Output: Fast axis blocked
Option 5, Forward pump: Input to Tap: PM to SM, PI; Input to Output: Both axis working
Option 6, Backward pump: Input to Tap:PM to SM, PS; Input to Output: Fast axis blocked
PI: Polarization Insensitive
PS: Polarization Sensitive
| Part Number: PMTIWDM-1111-2344-555-666-777-89A-BCDE |
| 1111 | -Operating Wavelength: | 1598=T1550/R980nm,0398=T1030/980nm |
| 2 | -Axis Alignment: | 1=Option 1, 2=Option 2, 3=Option 3, 4=Option 4, 5=Option 5,
6=Option 6 |
| 3 | -Core Stage: | S=Single-core Stage, D=Dual-core Stage |
| 44 | -Tap ratio: | 01=1%, 02=2%, ......, 50=50% |
| 555 | -Fiber type for In & Out: | 001=PM1550, 002=PM1310, 003=PM980, 004=Hi1060, 008=SMF-28E |
| 666 | -Fiber type for Pump: | 001=PM1550, 002=PM1310, 003=PM980, 004=Hi1060, 008=SMF-28E |
| 777 | -Fiber type for Tap: | 001=PM1550, 002=PM1310, 003=PM980, 004=Hi1060, 008=SMF-28E |
| 8 | -Package Dimension: | 0=φ5.5x35mm, 1=φ5.5x50mm, S=Specified |
| 9 | -Pigtail Type: | 0=250μm bare fiber, 1=900μm loose tube |
| A | -Fiber Length: | 0=0.8m,1=1m |
| B | -Connector Type for Input-Output-Pump-Tap | 0=FC/UPC,1=FC/APC,2=SC/UPC,3=SC/APC,4=LC/UPC,5=LC/APC, N=None |
