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Optical Components

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Custom Optical Glass Products for Industrial Imaging and Laboratory Optical Systems

High-precision custom optical components including optical domes, lenses, prisms, beam splitters, filters and optical mirrors machined from N-BK7, H-K9L, fused silica and other optical substrates for laboratory, laser and industrial imaging equipment.

Felix Glass combines 19+ years of precision optical component manufacturing experience with CNC grinding, precision polishing, vacuum coating and interferometer optical testing capability for drawing-based custom optical glass projects.

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Custom Optical Glass Components for Machine Vision & Precision Optical Systems
Page scope

Optical Glass Substrate Types, Optical Properties and Application Scenarios

This page provides an overview of commonly used optical glass materials, optical component types, coating options, manufacturing capabilities and typical industrial applications. Individual product specifications depend on material selection, optical design and customer engineering requirements.

Typical customization ranges and parameters shown for reference. Actual specifications depend on material selection and engineering requirements.

75000? manufacturing baseIndependent optical precision manufacturing base for custom component production.
Integrated process linesFull CNC grinding, precision polishing and vacuum coating production lines.
Inspection laboratoryIndependent optical inspection laboratory with complete interferometer testing equipment.
Material selection

Optical Glass Substrate Types, Optical Properties and Application Scenarios

Values are typical reference data and may vary depending on material grade, geometry and coating design. Material selection should be based on optical design, operating wavelength, environmental conditions and manufacturing requirements rather than a single performance parameter.

Material TypeTypical Transmission SpectrumTypical Optical PropertiesCommon Tolerance RangeTypical Industrial Applications
N-BK7 / H-K9L Optical Glass0.35-2.5?mHigh visible transmittance, low bubble and inclusion content, uniform refractive index?0.01mmGeneral machine vision, visible light imaging, laboratory standard optics
Fused Silica (Quartz) Optical Material0.18-3.5?m UV-VIS-NIRLow thermal expansion, excellent UV transmission, high temperature stability?0.01mmUV laser equipment, ultraviolet detection, high-temperature optical assemblies
SF Series Flint GlassVisible to near IR spectrumHigh refractive index, low dispersion matching capability?0.01mmBeam splitting, achromatic lens groups, spectroscopic analysis
Borosilicate Optical Glass0.3-2.2?mGood thermal stability, low cost, uniform optical performance?0.02mmLow-cost industrial observation windows, basic optical assemblies
Sapphire Optical Material0.15-5.0?mExtreme hardness, scratch resistance, high pressure endurance?0.01mmProtective optical domes, high-temperature and outdoor optical systems
Product architecture

Customizable Optical Domes, Lenses, Prisms, Filters, Beam Splitters and Optical Mirrors

Typical customization ranges shown for reference. Actual specifications depend on material selection and engineering requirements.

Custom Spherical Hemispherical Optical Domes LiDAR Vision Protection Machining

Optical Domes

Optical dome manufacturer support for custom optical dome and protective optical dome parts used in surveillance camera protection, LiDAR sensors, industrial vision housing and environmental monitoring equipment.

  • Related materials: N-BK7, H-K9L, fused silica, sapphire
  • Typical size: OD 10mm-400mm, wall thickness 1mm-30mm
  • Custom options: hemispherical/full spherical shapes, AR/anti-fog coating, edge chamfering, high pressure resistance polishing
Custom Spherical Aspherical Optical Lenses Machine Vision Machining

Optical Lenses

Optical lens manufacturer support for custom optical lens and machine vision lens projects requiring spherical, aspherical, achromatic or laser focusing geometry.

  • Typical materials: N-BK7, H-K9L, fused silica, SF flint glass
  • Typical size: diameter 3mm-250mm, thickness 0.2mm-60mm
  • Custom options: AR/HR coating, edge blackening, achromatic lens assemblies
Precision Multi-Type Optical Prisms Light Deflection Components

Optical Prisms

Optical prism manufacturer capability for right angle prism, dove prism, penta prism and beam splitter prism components used in light path turning and precision measurement systems.

  • Typical materials: N-BK7, H-K9L, fused silica
  • Typical size: 5mm-150mm side length customizable
  • Custom options: reflective metal coating and safety edge chamfering
Custom Bandpass ND Optical Filters Spectroscopy Equipment

Optical Filters

Optical filter manufacturer support for bandpass filter, neutral density filter, longpass, shortpass and dichroic spectral coating designs.

  • Typical materials: N-BK7 substrates and fused silica blanks
  • Typical size: round, square and rectangular custom dimensions
  • Typical applications: spectroscopy, machine vision color sorting, fluorescence detection
Cube Plate Beam Splitters Laser Optical System Processing

Beam Splitters

Cube beam splitter, plate beam splitter and custom optical beam splitter manufacturing for laser beam division, optical interferometers and precision measurement instruments.

  • Typical materials: N-BK7 and fused silica optical glass
  • Typical size: 10mm-100mm cube or plate blank sizes
  • Custom options: 50/50 equal split, polarized beam split, multi-layer AR coatings
Optical Glass Vacuum Coating and Interferometer Inspection Process

Optical Mirrors

Precision optical mirror, aluminum coated mirror and high reflection optical mirror processing for laser light reflection, optical path adjustment and multi-band surveillance optical systems.

  • Typical materials: N-BK7 and fused silica substrate blanks
  • Typical size: 5mm-300mm flat optical blanks
  • Custom options: Al, Ag, Au metal coatings, dielectric HR coatings, edge blackening
Coating options

Custom Vacuum Coating Solutions for All Optical Glass Substrates & Protective Domes

Felix Glass provides customizable optical coating options matched to customer working wavelength and light transmission requirements. Coating availability depends on substrate material, wavelength range and optical design requirements.

AR Anti-Reflection CoatingVisible / UV / NIR spectrum for imaging lenses and optical domes
HR High-Reflection CoatingCustom wavelength bands for laser reflection mirrors
BBAR Broadband Anti-ReflectionMulti-spectrum general optical assemblies
Metal Coatings (Al/Ag/Au)For visible and near-infrared beam reflection
Edge Blackening CoatingReduce stray light for precision imaging optical systems
Application fields

Typical Industrial Applications of Precision Optical Glass Components

Machine Vision & Automated Industrial Inspection

Custom optical lenses, filters and protective domes support image capture, color sorting, dimensional inspection and equipment protection.

Laboratory Spectroscopy & Scientific Research Equipment

Prisms, filters and beam splitters help control wavelength selection, light path direction and measurement repeatability.

Industrial Laser Processing & Laser Measurement Systems

Fused silica, N-BK7 and coated mirrors are used in laser focusing, beam splitting, reflection and protective window assemblies.

Medical Imaging & Diagnostic Optical Devices

Precision optical glass parts can be manufactured with inspection documentation and drawing support for medical device suppliers.

Aerospace & Surveillance Optical Detection Systems

Protective domes, filters and optical windows support surveillance, sensing and aerospace-related detection systems.

Semiconductor Wafer Inspection Optical Equipment

Low-defect optical substrates, filters and lenses support inspection paths in semiconductor metrology and wafer review systems.

OEM customization

OEM Custom Machining Service for Special-Shaped Optical Glass Parts & Spherical Domes

Custom available optical glass materials include N-BK7 / H-K9L optical glass, fused silica (quartz) optical material, SF series flint glass, borosilicate optical glass and sapphire optical material.

Non-standard processing can cover ultra-thin optical blanks, large-size optical domes and windows, aspherical lens customization, special-shaped prisms and multi-element integrated optical assemblies.

Drawing EvaluationEngineering FeedbackPrototype TrialMass Production
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Production and inspection

Precision Manufacturing and Full-Spec Inspection Standards for Optical Glass

Felix Glass supports custom optical glass systems through structured production routing, drawing review and complete inspection documentation when specified by the project requirement.

Optical Glass Blank CuttingCNC Precision GrindingDouble-Side Fine PolishingVacuum Optical CoatingInterferometer Optical Performance TestingDust-Free Clean Room Packaging
Surface Quality & Scratch-Dig Testing
Flatness & Surface Figure Interferometer Test
Dimensional Tolerance Calibration
Parallelism & Angle Precision Inspection
Light Transmittance & Reflectance Spectral Test
Coating Uniformity & Adhesion Test
Stray Light Control Inspection
Dome Wall Thickness & Spherical Roundness Test
Selection guide

How To Select Optical Glass Substrates

Choosing suitable optical glass substrates relies on operating wavelength range, light transmission demand, mechanical stability and project budget constraints.

N-BK7 / H-K9L optical glass is widely used for visible light machine vision and laboratory equipment. Fused silica supports UV laser and high-heat optical environments. SF series flint glass supports achromatic lens groups and spectroscopic beam splitting. Borosilicate glass is used for general industrial observation assemblies with lower precision requirements. Sapphire is prioritized for domes requiring scratch resistance, pressure resistance and wide temperature operation.

Operating wavelength range of the optical system
Required refractive index and dispersion performance
Thermal expansion and temperature working conditions
Mechanical strength, hardness and impact resistance
Surface quality and scratch-dig specification requirements
External environmental conditions including humidity, pressure and abrasion
Case study matrix

Complete Case Study Matrix for Optical Glass Product Selection

Optical Dome for LiDAR Surveillance System Case
Optical Lens for Machine Vision Inspection Case
Optical Prism for Laboratory Spectroscopy Case
Beam Splitter for Laser Interferometer Case
Optical Filter for Fluorescence Imaging Device Case
Fused Silica Window for UV Laser Equipment Case
RFQ preparation

Standard RFQ Conversion Section

Please specify glass material, dimension tolerance, target wavelength range, coating type and application environment for engineering quotation evaluation.

FAQ

Frequently Asked Questions About Optical Glass Products

What common optical glass parts are used in industrial machine vision systems, including protective optical domes?

Common parts include optical lenses, filters, protective domes, prisms, beam splitters and mirrors used for imaging, wavelength control, light path adjustment and equipment protection.

What is the core difference between N-BK7 and fused silica optical glass?

N-BK7 is a common visible-light optical glass with balanced performance and cost. Fused silica provides stronger UV transmission, lower thermal expansion and better high-temperature stability.

Which optical glass material fits UV laser equipment applications?

Fused silica is commonly selected for UV laser equipment because it supports ultraviolet transmission and thermal stability, subject to wavelength, coating and power requirements.

Can custom optical domes, lenses and prisms be manufactured from customer technical drawings?

Yes. Felix Glass can review drawings for material, geometry, tolerance, surface quality, coating and inspection requirements before confirming production feasibility.

What coating options are available for precision optical glass components & optical domes?

Available options may include AR, HR, BBAR, metal reflective coatings, edge blackening and application-specific spectral coatings depending on substrate and wavelength range.

What dimensional tolerances can be achieved for custom optical glass parts and spherical domes?

Typical tolerance ranges include ?0.01mm for many precision optical glass components, while final tolerances depend on material, shape, size and inspection method.

What drawing file formats are required to launch OEM optical glass production?

Common RFQ files include 2D drawings, 3D models and coating specifications. Dimension, tolerance, material, wavelength and application notes should be provided together.

Can Felix Glass provide official optical transmittance test reports for finished products including optical domes?

Inspection documentation can be provided according to order requirements, including transmittance, reflectance, surface quality, dimensional and coating inspection items when applicable.

What optical glass substrate works best for spectroscopic analysis instruments?

Substrate selection depends on the spectral range and design. N-BK7, fused silica and SF flint glass are commonly evaluated for spectroscopy and beam splitting systems.

Is edge blackening treatment available for optical lenses to eliminate stray light?

Yes. Edge blackening can be applied to reduce stray light in precision imaging optical systems when the lens geometry and process route are suitable.

Can multi-element integrated optical assemblies including matching domes be customized as a complete set?

Custom assemblies can be reviewed as a complete set, including matching domes, lenses, filters, prisms and coating specifications for system-level optical integration.

Can optical coatings be customized to match unique target wavelength requirements for optical domes and lenses?

Yes. Coating design can be matched to target wavelength, angle, substrate material and operating environment after engineering evaluation.

How should I choose the most suitable optical glass material for my application?

Define the operating wavelength, confirm transmittance, refractive index and dispersion needs, evaluate temperature, pressure and abrasion, select a compatible substrate, match the coating type, then verify tolerance and surface quality requirements for production.

Learn more from our FAQ
What is your MOQ for custom optical glass and display glass parts?

Felix Glass offers highly flexible MOQ to support client projects, including prototype testing, small batch trial orders and large-volume mass production. All products can be fully customized according to your drawings, tolerances and application standards. Send us your specs to get an accurate price quote within 24 hours.

Can I get free glass samples for testing before bulk order?

Yes, our FELIX GLASS factory supports sample testing for a wide range of precision optical glass components and assemblies. The lead time for sample production is 3 to 7 working days. Please contact us today to arrange samples and obtain a customized solution that meets your needs.

What is the production lead time for custom optical glass components?

What is the production lead time for custom optical glass components?
Answer: The lead time for standard samples is 3–7 business days, while mass production takes 15–25 business days, depending on product complexity and order volume. We provide reliable, rapid delivery for orders serving the industrial, medical, automotive, and aerospace sectors. Please submit your project details to receive an accurate delivery schedule.

Are your optical glass products ISO, CE and RoHS certified?

All FELIX GLASS precision optical glass components comply with ISO quality system standards, as well as CE and RoHS requirements. We provide comprehensive test reports, material certificates, and inspection documentation for customer review. Please feel free to request full certification details and a formal quotation today.

Do you offer one-stop custom optical glass processing services?

Yes. We provide a full range of in-house processing services, including CNC machining, precision grinding, optical polishing, vacuum coating (AR, AF, AG, IR), tempering, and screen printing. Every step—from raw material to finished product—is carried out within our own facility. Please let us know your requirements, and we will provide you with the most cost-effective solution.

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A specialist in precision optical glass with 19 years of experience, providing comprehensive, satisfying custom solutions.


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