780nm Polarization Beam Splitter/Combiner
P/N: FIR-780-PBS/PBC|SKU: 10356
Unit Price
MOQ: 1 pcs
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780nm Polarization Beam Splitter/Combiner
The 780nm Polarization Beam Splitter/Combiner (PBS/PBC) is a passive fiber optic polarization management device designed for separating or combining orthogonal polarization states at the 780nm wavelength. It can split randomly polarized input light into two orthogonally polarized output signals or combine two orthogonally polarized input signals into a single output fiber with low insertion loss and high extinction ratio.
Built using polarization-maintaining (PM) fiber technology, this 780nm PBS/PBC provides stable polarization performance, high directivity, and reliable optical characteristics for precision photonic and laser applications. Port 1 and Port 2 are configured with PM fiber, while Port 3 is available with either single mode fiber (SMF) or all-PM fiber configurations according to system requirements.
Featuring compact package dimensions, low insertion loss, and excellent polarization handling capability, the device is widely used in quantum optics, atomic physics experiments, cold atom systems, optical sensing, fiber laser systems, and polarization-maintaining fiber applications.
Specifications
Parameter | Unit | Value |
|---|---|---|
Center Wavelength | nm | 780 |
Operating Wavelength Range | nm | ±20 |
Insertion Loss (Max.) | dB | 1.0 |
Return Loss (Min.) | dB | 50 |
Extinction Ratio (Min.) | dB | 18 |
Directivity (Min.) | dB | 50 |
Max Optical Power (CW) | W | 0.5/1/2/5/10 |
Fiber Type | - | Port 1 and Port 2 PMF; Port 3 SMF or All PMF |
Tensile Load | N | 5 |
Package Dimensions | mm | Φ5.5 x L35 (<5W)/14 x 12 x 8 (>5W) |
Operating Temperature | °C | -5 to +70 |
Storage Temperature | °C | -40 to +85 |
Notes: Tested at 25 °C. Data exclude connectors. Adding connectors will increase insertion loss by approximately 0.6 dB, reduce return loss by 5 dB, and decrease extinction ratio by 2 dB. The fiber slow axis is aligned to the key by default.
Dimensions
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