Description
1850nm High Power SM Tap Isolator Hybrid
1850nm High Power SM Tap Isolator Hybrid is a fiber passive component which integrated with the function of Tap Filter Coupler and Optical Isolator, Tap Coupler can separate the signal power for monitoring, Optical Isolator for avoiding the backward reflection light, It’s widely used in Optical Quantum Communication and Fiber Laser System, if need pulse type please contact us to confirm.
| Application: | Features: | ![]() |
| Quantum Communication | Compact Package | |
| Fiber Laser | High Isolation | |
| Testing System | Low Insertion Loss | |
| Lab And Research | High Reliability |
Specification:
| Parameter |
Symbol | Value |
Unit | |
| Center Wavelength | λ | 1850 |
nm | |
| Bandwidth | BW | ±10 | nm | |
| Stage | Single Stage | Dual Stage | – | |
| Typ. Peak Isolation | ISO | 32 | 42 | dB |
| Min. Isolation | ISO | 25 | 36 | dB |
| Max. Excess Loss | EL | 1.2 | 1.5 | dB |
| Tap Ratio | 1±0.2, 2±0.4, 5±1, 10±2 | % | ||
| Max. Polarization Dependent Loss | PDL | 0.1 | 0.15 | dB |
| Min. Return Loss | RL | 50 | dB | |
| Min. Directivity | 50 | dB | ||
| Max. Optical Power (CW) | P | 0.5, 1, 3, 5, 10, 20, 30, 50 or customized | W | |
| Max. Peak Power | P | 5, 10, 20 or customized | KW | |
| Max. Tensil Load | 5 | N | ||
| Fiber Type | SMF-28e, SM 1950, SM-GDF-1550, 10/130DC, 25/250DC, 25/400DC or customized |
– | ||
| Operating Temperature | T | -5~75 | ℃ | |
| Storage Temperature | T | -40~85 | ℃ | |
| Package Dimension | Φ5.5×L35 |
mm | ||
| Notice: Above specifications are tested at center wavelength without connector in room temperature @23℃. |
| For devices with connectors, IL will be 0.3dB higher, RL will be 5dB lower. EL will be 0.2dB higher, connectors only 1W CW guarantee. |
Drawing:

Contact us to get package information for optical power above 5W CW.
Ordering Information (Part Number):
| HSTI-WWWW-CC-S-TT-HH-FF-J-LL-CC |
||||||||
| WWWW | CC | S | TT | HH | FF | J | LL | CC |
| Wavelength | Configuration | Stage | Tap Ratio | Handling Power | Fiber Type | Fiber Jacket | Fiber Length | Connector |
| 1850 – 1850nm | 21 – 2×1 | S – Single Stage | T1 – 0.1% | Z5 – 0.5W | S1 – SM 1950 | B – 250um Bare Fiber | 05 – 0.5m | NE – None |
| 1860 – 1860nm | 12 – 1×2 | D – Dual Stage | 01 – 1% | 01 – 1W | S2 – SMF-28e | 9 – 900um Loose Tube | 08 – 0.8m | FA – FC/APC |
| 1870 – 1870nm | 02 – 2% | 03 – 3W | D1 – SM-GDF-1550 | 10 – 1.0m | FU – FC/UPC | |||
| 1880 – 1880nm | 03 – 3% | 05 – 5W | D2 – 10/130 DC | 15– 1.5m | SS – Specify | |||
| 1890 – 1890nm | 05– 5% | 10 – 10W | D3 – 25/250 DC | 20 – 2.0m | ||||
| SSSS – Specify | 10 – 10% | 20 – 20W | D4 – 25/400 DC | SS – Specify | ||||
| SS – Specify | 30 – 30W | SS – Specify | ||||||
| 50 – 50W | ||||||||
| SS – Specify | ||||||||
Example: HSTI-1850-12-S-01-05-S2-B-10-NE is the PN for 1850nm High Power SM Tap Isolator Hybrid, 1×2 (first isolation, then tap), Single Stage, 1% Tap, 5W Optical Power, 1.0m SM bare fiber, no connector

