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analytica China 2026German Exhibitors Weinert Fiber Optics GmbH

Weinert Fiber Optics GmbH

Booth number: N2-2829
www.weinert-industries.com/en

About us

WEINERT has engaged systematically with photonics, which is one of the key technologies of the 21st century.

The Business Unit Fiber Optics of the WEINERT Group is a leading provider of ultrapure Fused Silica, preforms, and rods, as well as optical fibers, cables, assemblies, and special components.

We see photonics as an enabling technology for our customers’ ideas and problem-solving solutions. Whether standardized with corresponding regional approvals or specific and entirely novel approaches to problem-solving, we provide you with competent, professional support.

In doing so, we offer a unique product portfolio at every stage along the value chain: from Fused Silica to preform and the drawn fibers through to fiber optical cables and complete fiber optic systems with optical components that we have developed in-house. Along this value chain, we can adjust and optimize many factors independently according to your requirements without needing support from external partners.

 

Our philosophy

· Global fiber optics experts

· Extended vertical integration means we can intervene anywhere in the value chain without external support

· Fiber optical products for an integrated system solution

Our advantages

· All components for passive optical networks from a single source

· Joint system and solution development projects

· Future-oriented data and signal transmission systems

Our strengths

· Joint development projects and early involvement in product research and development

· Customized according to customer requirements

· Fiber optics experts with many years of experience

Company Building Weinert China

Address

Weinert Fiber Optics GmbH
Mittlere-Motsch-Str. 26
96515 Sonneberg
Germany

E-mail: info@weinert-industries.com
Phone:  +49 367 6481100
Internet: www.weinert-industries.com/en
Weinert Optic Electric Technology Co., Ltd.
No. 58 Yangguang Avenue
Changfu Str.
215557 Changshu
China

E-mail: sales-china@weinert-industries.com
Phone:  +86 512 5203-8008
Internet: www.weinert-industries.com/zh

Contact person:

Weiqing Chen
Director Sales
E-mail: weiqing.chen@weinert-industries.cn
Phone: +86 512 52038010

Xiaozhe Gou
Sales Manager
E-mail: xiaozhe.gou@weinert-industries.cn
Phone: +86 180 51781001

Pan Tian
Manager of Sales Engineer
E-mail: pan.tian@weinert-industries.cn
Phone: +86 199 51281001

Yiran Liu
Manager of Business Development
E-mail: yiran.liu@weinert-industries.cn
Phone: +86 199 51331001

Products & Services

Instrumental Analysis
Laboratory Apparatus (incl. Consumables)
Biotechnology
Diagnostics
Test, Measurement and Quality Control

Our product and service portfolio from our own extensive value chain:

Photonic Material

SQ-Fused Silica, Preforms, Rods and Capillary

Optical Fiber

  • Special Optical Fibers: AmbientFiber, Radiation-Hard Fibers, High-Temperature Fibers, PCF - Plastic Clad Fiber, POF - Polymer Optical Fiber, HPCS and PCS Fibers, Multimode Special Optical Fibers, Singlemode Special Optical Fibers, Multi-clad High Power Fibers, NCS (non-circular core) fibers

  • Optical Fiber Bundles: Optical Glass Fiber Bundles, Silica Fiber Bundles

Fiber Optic Cable

  • Special FO Cables: LE.X.CO, Special Fiber Cables, POF and PCF Cables, Cables with approval (UL, DNV, GL, MIL, NPP, etc.), Industiral Cables & Media-Resistant Cables, Maritime Cables, Sensor Cables, Hybrid-Cables

  • Standard Cables: CPR Cables, A-DQ Outdoor Cables, U-DQ Universal Cables, Multifiber Indoor Cables I-F(ZN)H, Breakou Cables I-V(ZN)H, Mini Breakout Cables I-V(ZN)H, Simplex/Duplex Cables I-V(ZN)H, Tight Buffered Fiber V

Assembly

  • Medical Devices, Fiber Bundle Assemblies, Tubes and Plastic Tubes, Tele & Data Communication Assemblies, Special Fiber Assemblies (Silica, POF,PCF, Large Core), Industrial Laser Assemblies

Optical Component

  • Optical Switches, Optical Probes, Special Optical Components, Arrays / Cross-Section Converters

Capillary Tubing

  • Linear Capillary: Introducing 19 standart products, ID´s ranging from 20µm to 530µm

  • Capillary Pieces and Assemblies: Induvidual designs to meet customer requirements

Service

  • Fiber Manufacturing and Engineering

  • Fiber Services

  • Development and Consulting

Photonic Materials

Building Blocks for High-Performance Optical Fiber Solutions

WEINERT Industries offers a comprehensive portfolio of high-purity photonic materials that serve as the foundation for manufacturing specialty optical fibers, optical components, and advanced photonic systems. The product range includes Fused Silica, Preforms, Rods, and Capillaries, all designed for demanding applications from telecommunications to high-power laser systems.

Product Portfolio

SQ Fused Silica

Ultra-pure synthetic fused silica with exceptional optical and physical properties, suitable for applications from deep ultraviolet (DUV) to near infrared (NIR). Available in various forms such as rods, discs, plates, blocks, and customized semi-finished products. Key benefits include high laser resistance, excellent transmission, thermal stability, and extremely low fluorescence.

Preforms

Customized fiber preforms used as the starting material for optical fiber production. Designs can be tailored in terms of core geometry, dopants, numerical aperture, and wavelength requirements, enabling optimized fiber performance for specific applications.

Fused Silica Rods

High-quality silica rods used in the production of optical fibers and components. They offer excellent transmission properties, especially in the UV range, high homogeneity, and precise dimensional control.

Manufacturing Expertise

WEINERT utilizes advanced production technologies to ensure outstanding material purity and optical performance:

  • Flame Hydrolysis Deposition (FHD)

  • Plasma Outside Vapor Deposition (POVD)

  • Modified Chemical Vapor Deposition (MCVD)

These processes enable the production of ultra-pure fused silica materials with customized optical characteristics.

Key Advantages

  • Ultra-pure optical materials

  • Customized geometries and dopings

  • UV to IR wavelength compatibility

  • Excellent transmission and laser resistance

  • High thermal and mechanical stability

  • Strict quality control and parameter verification

  • Suitable for prototype development through high-volume production

Typical Applications

  • Optical fiber manufacturing

  • Telecommunications and data networks

  • High-power laser systems

  • Optical sensing and metrology

  • Industrial automation

  • Healthcare and biomedical technology

  • Semiconductor and lithography systems

  • Energy and infrastructure applications

Photonic Materials

WEINERT Industries provides high-purity photonic materials including Fused Silica, Preforms and Fused Silica Rods for the production of specialty optical fibers and optical components. Leveraging advanced manufacturing technologies and customized material engineering, these products deliver exceptional optical performance, UV-to-IR compatibility, high laser resistance, and application-specific solutions for telecommunications, industrial automation, healthcare, sensing, and laser technologies.

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High-Quality Fiber Preforms for Custom Optical Fibers

SQ Fused Silica

Fused Silica Rods

Optical Components

Optical Components

Advanced Optical Signal Routing and Fiber Management Solutions

WEINERT Industries offers specialized optical components for precise optical signal control, efficient fiber coupling, and optical system integration. The portfolio includes Optical Switches and Fiber Arrays / Cross-Section Converters, supporting applications in telecommunications, sensing, industrial automation, measurement technology, and laser systems.

Product Portfolio

Optical Switches

High-performance fiber-optic switching solutions for directing optical signals between different fiber paths with minimal loss and high reliability.

Key Features

  • Fast switching times (< 5 ms)

  • Low insertion loss

  • Long service life

  • High optical performance

  • Singlemode and multimode compatibility

  • Matrix configurations (1×N, NxN, MxN)

  • Multiple communication interfaces (USB, Ethernet, RS232, I²C)

Fiber Arrays & Cross-Section Converters

Precision optical components used to arrange, combine, and transform fiber geometries for improved coupling efficiency and beam shaping.

Key Features

  • Precise fiber alignment and positioning

  • Linear, circular, and customized fiber arrangements

  • Optical beam shaping and redistribution

  • Compact and application-specific designs

  • Customer-tailored solutions for complex optical systems

Technical Capabilities

Optical Switches

  • Switching times below 5 ms

  • Low optical losses

  • High durability and reliability

  • Support for a wide range of wavelengths

  • Available in compact, tabletop, and rack-mounted versions

Fiber Arrays & Cross-Section Converters

  • High-precision assembly and alignment

  • Custom fiber geometries

  • Efficient light transmission between optical subsystems

  • Optimized for low-loss optical coupling

Key Advantages

Precise optical signal management

High-performance fiber integration

Low-loss optical transmission

Flexible and customizable designs

Reliable operation in demanding environments

Suitable for communication, sensing, and laser applications

Typical Applications

  • Telecommunications and Data Networks

  • Optical Measurement & Metrology

  • Industrial Automation

  • Sensor Technology

  • High-Power Laser Systems

  • Machine Vision Systems

  • Automotive Applications

  • Healthcare & Biomedical Technology

Optical Components

WEINERT Industries provides advanced Optical Switches and Fiber Arrays / Cross-Section Converters for efficient optical signal routing and fiber management. These components deliver precise optical control, low-loss transmission, and customized integration solutions, making them ideal for telecommunications, industrial automation, sensing, metrology, and high-performance laser applications.

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Fiber Arrays

Optical Switch

Fused Fiber Bundles

Fiber Bundle Assemblies

Customized Optical Fiber Bundles for Light Transmission, Sensing, and Imaging Applications

WEINERT Industries develops and manufactures customized fiber bundle assemblies designed for efficient light transmission, sensing, imaging, and optical measurement applications. The company offers complete in-house capabilities, ranging from raw materials and fiber production to bundle assembly and specialized optical components. Fiber bundles can be configured in customer-specific geometries, including multi-branch designs and cross-section converters from round to linear arrangements.

Product Portfolio

Fiber Bundle Assemblies

Customized optical fiber bundles optimized for challenging industrial, scientific, and medical environments.

Key Features

  • Customer-specific bundle geometries and layouts

  • Multi-branched fiber bundle configurations

  • Round-to-linear cross-section converters

  • Suitable for liquids, gases, and solid media

  • Designed for harsh industrial environments

  • Available with various connector and tubing options

  • Compatible with vacuum applications and feedthroughs

Fused Silica Fiber Bundles

High-performance fiber bundles manufactured from UV-VIS and VIS-IR fused silica fibers, optimized for low-loss optical transmission.

Key Features

  • UV-VIS versions (high OH fused silica)

  • VIS-IR versions (low OH fused silica)

  • Core diameters starting from 50 µm

  • Bundle lengths up to 20 m

  • High transmission efficiency

  • Flexible and low-loss design

  • Autoclavable and temperature-resistant versions available

Technical Capabilities

Fiber Bundle Assemblies

  • Individual fiber diameters from 20 µm to 105 µm (larger diameters available on request)

  • Numerical Aperture (NA):

    • Fused Silica Bundles: 0.10 – 0.38 (standard 0.22)

    • Optical Glass Bundles: 0.56 – 0.86

  • Small bending radii with high flexibility

  • Fluorescence-free bonding options

  • Standard and custom connectors (SMA, ST, FC, etc.)

  • Wide range of protective tubing solutions

Fused Silica Fiber Bundles

  • Standard individual fiber diameters:

    • 50 µm

    • 70 µm

    • 80 µm

    • 105 µm

  • Standard lengths:

    • 5 m

    • 10 m

    • 20 m

  • Customer-specific dimensions available

  • Polyimide coatings up to 300 °C

  • Glass-finish coatings for demanding environment

Customized End Faces & Optical Waveguide Assemblies

A key capability of WEINERT Industries is the integration of customized polished end faces. Fiber bundles can be supplied as fully assembled optical waveguides with precisely polished end faces to improve coupling efficiency, transmission performance, and integration into optical systems. This enables customer-specific solutions for spectroscopy, illumination, sensing, and imaging applications

Benefits of Customized End Faces

  • Improved optical coupling efficiency

  • Reduced insertion losses

  • Enhanced transmission performance

  • Application-specific optical interfaces

  • Ready-to-install optical waveguide assemblies

Key Advantages

  • Fully customized fiber bundle designs

  • In-house fiber manufacturing and assembly

  • UV, VIS, and IR wavelength compatibility

  • High flexibility and small bending radii

  • Temperature-resistant and autoclavable options

  • Vacuum-compatible configurations

  • Customized polished end-face solutions

  • Suitable for harsh industrial and medical environments

Typical Applications

  • Spectrometry

  • Endoscopy

  • Illumination Systems

  • Optical Sensors

  • Pyrometry

  • Monitoring Systems

  • Optical Measurement & Metrology

  • Healthcare & Medical Technology

Fiber Bundle Assemblies

WEINERT Industries provides customized Fiber Bundle Assemblies and Fused Silica Fiber Bundles for high-performance light transmission, sensing, imaging, and measurement applications. The solutions combine flexible bundle geometries, UV-to-IR capability, high transmission efficiency, and customer-specific polished end faces. With complete in-house manufacturing expertise, WEINERT delivers tailored fiber bundle systems for industrial, scientific, and medical applications.

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Fused Fiber Bundle

Customized end face of fiber bundle

Customized end face of fiber bundle

Customized end face of fiber bundle

Customized end face of fiber bundle

Capillary

Capillary

Ultra-Pure Synthetic Fused Silica Capillary for Precision Optical and Scientific Applications

WEINERT Industries manufactures high-quality capillary from the same ultra-pure, synthetic fused silica materials used in its specialty optical fibers. These capillary combine excellent optical properties, best in class dimensional control, mechanical robustness, and chemical inertness, making them suitable for demanding analytical, industrial, medical, and optical applications.

Product Portfolio

Fused Silica Capillaries

Precision capillaries designed for applications requiring high purity, dimensional accuracy, and reliable performance.

Key Features

  • Manufactured from ultra-pure synthetic fused silica

  • Inner diameters from 20 µm to 1,100 µm

  • Outer diameters from 150 µm to 2,000 µm

  • Customer-specific tolerances available

  • Custom lengths depending on diameter

  • Available with cut, cleaved, or snap-cut end-face processing

Technical Capabilities

Material & Optical Performance

  • Excellent transmission properties for UV and IR applications

  • Smooth inner surfaces

  • High mechanical strength

  • Consistent dimensional accuracy

  • Outstanding flexibility when externally coated

Coating Options

  • Standard polyimide with operation up to 350°C

  • Standard acrylate coating

  • Custom high-temperature acrylate coating for demanding environments

  • Custom sizes available with no external coating

Key Advantages

  • Ultra-pure synthetic fused silica material

  • High transmission from UV to  IR spectral range

  • Smooth inner surfaces for optimal performance

  • Tight dimensional tolerances yield precise flow rate control

  • Excellent mechanical stability with a low coefficient of thermal expansion

  • Inert internal surface for repeatable chemical performance

  • Customized dimensions and tolerances

  • Externally coated products proof tested to >100kpsi

Typical Applications

Analytical & Scientific Applications

  • Capillary Electrophoresis

  • Chromatography

  • Mass Spectrometry

  • Cytometry

Fiber Optic Applications

  • Fiber Connections

  • Fiber Splicing

  • Optical Components

  • Beam-guiding Optics

Industrial Applications

  • Factory Automation

  • Gas & Fluid Flow Management

  • Nozzles & Nebulizers

  • High Resistance Insulators

Medical Applications

  • Transfer Lines for Drug Delivery

  • Precision Flow Control

  • Bolus Management & Delivery

  • Pharmaceutical Packaging Leak Integrity Testing

Why WEINERT Capillary?

WEINERT capillary are manufactured from the same high-purity synthetic fused silica materials used for specialty optical fibers, ensuring superior optical quality, chemical stability, and mechanical durability. Their customizable dimensions and coating options enable application-specific solutions for analytical, industrial, medical and photonic systems.

Capillary

WEINERT Industries provides ultra-pure synthetic fused silica capillary for precision optical, analytical, medical, and industrial applications. Offering excellent UV/IR transmission, smooth inert inner surfaces,  durable external coating options, and customizable dimensions, these capillary are ideal for capillary electrophoresis, chromatography, fiber optic assemblies, optical components, medical devices, and advanced sensing systems.

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Capillary tubing

Optical Probes

Medical (Optical) Probes

WEINERT value chain

·         Our solutions can be found in nearly every market and every application – with the reliability and quality you need to run your mission critical measurements

·         Direct influence at every stage of the value chain, focus on customized solutions

WEINERT value chain

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