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Tapered Fiber

Tapered Fiber

Tapered fiber lens Conical fiber lens

Tapered Fiber

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No.Parameter NameSpecificationTypical ValueTolerance
1Fiber TypeSM/MM/PM/Specified   FiberN/AN/A
2Fiber Length (L)Specified by CustomerN/AN/A
3Fiber Outer Diameter   (D1)165μm–900μm165μm/250μm/320μmN/A
4Bare Fiber Diameter   (D2)80μm–600μm80μm/125μm/220μmN/A
5Taper Angle (A3)70°–165°75°/90°/100°Typical: ±3°
6Taper Radius (R)4μm–50μm5μm–12μm±1μm
7Bevel Width of Lens   Shoulder (D3)25μm × 2/Custom25μm±10μm
8Stripped Fiber Length   (SL)10mm/Custom10mm±0.5mm
9Connector Key   Orientation Angle (PM Fiber Only)Aligned with   KEY/CustomN/A±5°
10Taper PM Fiber   Orientation (PM Fiber Only)Along or   Perpendicular to TaperN/AN/A
11Connector (Optional)FC/PC; FC/APC/CustomN/AN/A
12Protection Tubing   (Optional)900μm Various Colors900μm White TubingN/A
13AR Coating (Optional)R<0.2% @ Customer   Specified WavelengthR<0.2%N/A
14Bare Fiber   Metallization (Optional)Metal Layer   Thickness: 3–4μmCustomN/A

Features:

The conical fiber lens is designed to expand the numerical aperture (NA) of the fiber, thereby enhancing its light collection capability. This makes it particularly suitable for coupling with laser diodes (LDs), distributed feedback lasers (DFBs), superluminescent diodes (SLDs), and VCSELs, where the output beam profile is circular or nearly circular.
High-precision conical fiber lenses are also used in the development of laser microsurgery systems and micro-illumination systems in medical applications.
Furthermore, with the increasing maturity of silicon photonic integration, conical fiber lenses are becoming essential components to improve the coupling efficiency between optical fibers and waveguides.

Applications:




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