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| Coad | 666579 | Type | 1x2 Single-Mode Fiber Coupler | |
| Wavelength(nm) | 1030 | Connector Type | FC/UPC | |
| Fiber Model | HI1060 900µm Loose Hytrel® Tube | Fiber Length（m） | 1 | |
| Central Wavelength | - | Bandwidth | ±15nm | |
| Operating Temperature | -40 - 85℃ | Storage Temperature | -40 - 85℃ | |
| Operating Mode | - | Splitting Ratio | 50:50 | |
| Extinction Ratio | - | Insertion Loss | ≤3.5dB（Port1）≤3.5dB（Port2） | |
| Return Loss | ≥55dB | Excess Loss | ≤0.2dB | |
| Polarization-Dependent Loss | ≤0.1dB | Polarization Mode Dispersion | - | |
| Directionality | - | Package Size | 3.0 x 60.0mm | |
| Uniformity | ≤0.5dB | Isolation | - | |
| Maximum Optical Power | 2W(with connector 300mW) | Maximum Tension | 5N | |
| Minimum Crosstalk | - | Rotation Angle | - | |
| Port Configuration | 1 x 2 | |||
The LBTEK 1×2 single-mode fiber coupler is fabricated using the fused biconical taper (FBT) technique, which allows light signals transmitted in the fiber to couple in a specially designed coupling region, distributing and combining optical power according to a specified ratio. LBTEK fiber couplers cover a wavelength range of 405–2000 nm and feature low insertion loss, low excess loss, high return loss, and excellent stability. They are widely used in fiber-optic communications, underwater laser communications, fiber lasers, fiber amplifiers, and other applications. LBTEK also offers various customization services, including different coupling structures (1×2, 1×4, 2×2, etc.), power handling, wavelength, coupling ratio, and connector types. For specific customization requirements, please contact us.
The LBTEK 1:99 single-mode fiber coupler can split the optical power transmitted in a single fiber into two outputs with a 1:99 ratio. It is primarily used for optical path monitoring in optical systems, where a small portion of light is extracted and analyzed to monitor the quality of the main optical path. The coupler provides precise splitting ratios, low excess loss, high return loss, and stable performance.
The LBTEK 50:50 single-mode fiber coupler can evenly split the optical power transmitted in a single fiber into two outputs with a 50:50 coupling ratio. It is mainly used in applications such as light source splitting, fiber interferometers, and other fields. The coupler provides uniform splitting, low excess loss, high return loss, and stable performance.
The LBTEK 10:90 single-mode fiber coupler can split the optical power transmitted in a single fiber into two outputs with a 10:90 coupling ratio. Depending on the customer’s actual application requirements, it can be used for optical path monitoring, split transmission, and other applications. The coupler offers precise splitting ratios, low excess loss, high return loss, and stable performance.
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