BDSR Fused Silica Rods
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United States
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On FindLight:
since 2015
Description
The SQ High OH Fused Silica Rods from Leoni Fiber Optics are expertly crafted from undoped silica, designed specifically for applications within the UV and VIS range. This high-purity material is ideal for the efficient manufacturing of various optical components, including lenses, mirrors, and plates. Its exceptional optical and physical properties, coupled with a high degree of homogeneity in the refractive index, make it a preferred choice for producing special preforms. Utilizing a unique melting technology, the material achieves optimal concentrations of OH and H2, enhancing its transmission capabilities and laser durability.
The production process of these fused silica rods results in a material that offers superior transmission properties in the UV and VIS spectrum. This ensures that the material maintains high laser durability, making it suitable for demanding optical applications. The absence of inclusions and bubbles, combined with a high OH/H2 content, contributes to its excellent UV transmittance and very low fluorescence. Moreover, the material exhibits low residual stress and thermal expansion, alongside high thermal stability, which are critical for maintaining performance under varying environmental conditions.
Leoni Fiber Optics distinguishes its fused silica rods into three categories: SQ, j-plasil, and special dopings like BDSR. Each type is tailored for specific optical needs, with the SQ variant being recognized for its high OH content, making it particularly suitable for UV/VIS applications. These rods are fundamental in the design and production of preforms and the process-controlled manufacturing of optical high-power fibers. The specialized melting technology ensures that the rods meet the rigorous demands of modern optical component production.
BDSR Fused Silica Rods
Specifications |
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|---|---|
| Core Diameter: | 3 to 13 mm |
| Boron Content: | up to 20 wt. % |
| Length Of Rod: | 200 to 600 mm |
Features
- High Purity Material: Undoped fused silica with excellent homogeneity and low stress.
- Wide Spectral Range: Optimized for UV, VIS, NIR, and IR applications.
- High OH Content (SQ): Superior UV transmission and laser durability.
- Low OH Content (j-plasil): Ideal for VIS-IR range with low fluorescence.
- Boron-Doped Rods (BDSR): Up to 20 wt.% boron for PM Panda fibers.
- Tight Geometrical Tolerances: Ensures high precision and manufacturing yield.
- Excellent Thermal Stability: Very low thermal expansion for dimensional reliability.
- Customizable Dimensions: Diameter 25–80 mm, length 200–800 mm, with fire-polished or lapped faces.
Applications
- Fiber Preform Production: Essential for creating special optical fibers including PCF and PM fibers.
- Polarization Maintaining Fibers: BDSR rods for Panda design PM fiber manufacturing.
- Optical Component Fabrication: Suitable for lenses, mirrors, and precision plates.
- High-Power Fiber Manufacturing: Enables robust fibers for laser and telecom applications.
- Near Infrared Systems: Optimized materials for IR range transmission.
- Stress Elements in Preforms: Custom geometries for easy integration into Panda designs.
Frequently Asked Questions
The properties of SQ fused silica rods include absence of inclusions and bubbles, high OH/H2 content, excellent UV transmittance, very low fluorescence, high laser durability, low residual stress, very low thermal expansion coefficient, and high thermal stability.
The properties of j-plasil fused silica rods include undoped fused silica with high homogeneity, low OH content, diameter of 25 to 80 mm, rod length of 200 to 800 mm, and cylinder faces that are fire polished or lapped.
Undoped silica rods are used for efficient manufacturing of optical components such as lenses, mirrors, and plates, as well as for the production of special pre-forms.
BDSR Boron-doped fused silica rods are used for the production of polarization maintaining (PM) fibers in the so-called Panda design.
Various doping materials such as Germanium, Fluorine, and Boron are offered for specific applications.