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The TruePhase 1550 Polarization-Maintaining Optical Fibres are optimized for operation in the 1550 nm band which is of interest for usage with premium photonic devices such as phase-sensitive Lithium Niobate Modulators, with Silicon Photonics and as the output fiber in 1550 nm source lasers.

The TruePhase 1550 is available in 2 versions with respect to Optical Birefringence. The standard option (HBL – High Beat Length) is specified with a Beat Length of 3.7 mm – 4.7 mm @ 1550 nm, while the Low Beat Length (LBL) version has a Beat Length < 4.2 mm @ 1550 nm.

The standard option is available with coating having a diameter of 250 µm and 400 µm respectively, both proof tested to 200 kpsi. The improved version can be supplied with a 250 µm or 400 µm coating proof tested to 100 and 200 kpsi respectively.

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Item #

Item Name

Mode Field Diameter

Attenuation

Beat Length

Cladding Diameter

Coating/Buffer Diameter

Proof Test Level

BF06734 N/A TRUEPHASE® 1550 400 Fibres N/A @ 1550 nm, 10.5 ± 1.0 µm N/A @ 1550 nm, ≤ 1 dB/km N/A @ 1550 nm, ≤ 4.5 mm N/A 125 ± 1 µm N/A 400 ± 15 µm N/A ≥ 100 kpsi0.689 GPa
BF06734-01 N/A TRUEPHASE® 1550 250 Fibres N/A @ 1550 nm, 10.5 ± 1.0 µm N/A @ 1550 nm, ≤ 1 dB/km N/A @ 1550 nm, ≤ 4.5 mm N/A 125 ± 1 µm N/A 250 ± 10 µm N/A ≥ 100 kpsi0.689 GPa
BF06734-02 N/A TRUEPHASE® 1550 250 Fibres N/A @ 1550 nm, 10.5 ± 1.0 µm N/A @ 1550 nm, ≤ 1 dB/km N/A @ 1550 nm, ≤ 4.5 mm N/A 125 ± 1 µm N/A 250 ± 10 µm N/A ≥ 200 kpsi1.38 GPa
BF06734-03 N/A TRUEPHASE® 1550 400 Fibres N/A @ 1550 nm, 10.5 ± 1.0 µm N/A @ 1550 nm, ≤ 1.0 dB/km N/A @ 1550 nm, 4.5 mm N/A 125 ± 1 µm N/A 400 ± 15 µm N/A ≥ 200 kpsi1.38 GPa
BF06734-05 N/A TRUEPHASE® 1550 250 Fibres N/A @ 1550 nm, 10.5 ± 1.0 µm N/A @ 1550 nm, ≤ 0.8 dB/km N/A @ 1550 nm, 4.2-5.0 mm N/A 125 ± 1 µm N/A 250 ± 10 µm N/A ≥ 200 kpsi1.38 GPa
BF06734-06 N/A TRUEPHASE® 1550 400 Fibres N/A @ 1550 nm, 10.5 ± 1.0 µm N/A @ 1550 nm, ≤ 0.8 dB/km N/A @ 1550 nm, 4.2-5.0 mm N/A 125 ± 1 µm N/A 400 ± 15 µm N/A ≥ 200 kpsi1.38 GPa
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