INDUSTRY COMPONENT

Lens/Optical Window

Precision optical component for light transmission, focusing, or protection in industrial systems.

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Component Specifications

Definition
A lens or optical window is a transparent optical component designed to transmit, focus, or protect light in industrial applications. In light source and magnetic field generator systems, it serves to direct illumination, protect sensitive internal components from environmental contaminants, and maintain optical clarity under operational conditions. These components are engineered with specific optical properties to minimize distortion, reflection, and absorption while withstanding mechanical stress, temperature variations, and potential chemical exposure.
Working Principle
Operates based on principles of refraction and transmission. Lenses bend light rays to focus or diverge beams, while optical windows provide a flat, transparent barrier that allows light to pass with minimal alteration. In industrial settings, they maintain optical paths, protect internal components from dust and debris, and can be coated to enhance performance (e.g., anti-reflective coatings).
Materials
Typically made from optical-grade materials such as fused silica, borosilicate glass, sapphire, or polycarbonate. Material selection depends on application requirements including wavelength transmission, thermal stability, mechanical strength, and chemical resistance. Common specifications include Schott B270, Corning 7980, or synthetic sapphire with hardness >9 Mohs.
Technical Parameters
  • Coating AR coating available (e.g., 400-700 nm)
  • Diameter 10-200 mm
  • Flatness λ/4 at 632.8 nm
  • Thickness 1-20 mm
  • Parallelism <3 arc minutes
  • Transmission >90% at specified wavelengths
  • Surface Quality 40-20 scratch-dig
Standards
ISO 10110, ISO 14997, DIN 3140, DIN 58750

Industry Taxonomies & Aliases

Commonly used trade names and technical identifiers for Lens/Optical Window.

optical window industrial lens light transmission component optical component machine vision lens protective window optical glass sapphire window AR coating ISO 10110 Lens/Optical Window Lens/Optical Window in Computer, Electronic and Optical Product Manufacturing

Parent Products

This component is used in the following industrial products

Light Source / Magnetic Field Generator

A dual-function component in encoders that provides either optical illumination for optical encoders or generates magnetic fields for magnetic encoders.

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Engineering Analysis

Risks & Mitigation
  • Scratches or contamination reducing transmission
  • Thermal expansion causing misalignment
  • Chemical degradation from cleaning agents
  • Mechanical failure under vibration or impact
FMEA Triads
Trigger: Improper handling during installation
Failure: Surface scratches or cracks
Mitigation: Implement cleanroom protocols, use protective coatings, and train personnel on proper handling techniques.
Trigger: Exposure to high temperatures beyond material limits
Failure: Thermal stress cracking or coating delamination
Mitigation: Select materials with appropriate thermal coefficients, incorporate cooling systems, and monitor operational temperatures.
Trigger: Incompatible cleaning chemicals
Failure: Chemical etching or haze formation
Mitigation: Use approved cleaning solutions (e.g., isopropyl alcohol), establish cleaning SOPs, and test chemical compatibility during design.

Industrial Ecosystem

Compatible With

Interchangeable Parts

Compliance & Inspection

Tolerance
±0.1 mm diameter, ±0.05 mm thickness, surface flatness λ/4
Test Method
Interferometry for flatness, spectrophotometry for transmission, visual inspection per ISO 14997

Buyer Feedback

★★★★☆ 4.5 / 5.0 (29 reviews)

"Reliable performance in harsh Computer, Electronic and Optical Product Manufacturing environments. No issues with the Lens/Optical Window so far."

"Testing the Lens/Optical Window now; the technical reliability results are within 1% of the laboratory datasheet."

"Impressive build quality. Especially the technical reliability is very stable during long-term operation."

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Frequently Asked Questions

What is the difference between a lens and an optical window in industrial applications?

A lens is designed to focus or diverge light, altering its path, while an optical window is a flat, transparent component that protects internal systems without changing light direction. Both are critical for maintaining optical integrity in industrial environments.

How do I select the right material for an optical window?

Consider wavelength requirements, environmental conditions (temperature, humidity, chemicals), mechanical stress, and cost. Fused silica offers high UV transmission, sapphire provides extreme durability, and polycarbonate is impact-resistant for less demanding applications.

What standards apply to industrial optical components?

ISO 10110 specifies optical drawing standards, ISO 14997 covers surface quality testing, and DIN 3140/58750 provide German standards for optical components, ensuring consistency in manufacturing and performance.

Can I contact factories directly?

Yes, each factory profile provides direct contact information.

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