Custom Sapphire Optical Windows Manufacturer
Custom Sapphire Optical Windows Manufacturer
Custom Sapphire Optical Windows Manufacturer
Custom Sapphire Optical Windows Manufacturer
Custom Sapphire Optical Windows Manufacturer
Custom Sapphire Optical Windows Manufacturer
Price
US $0.98-6.68
Model
FE-LBS-0102001
MOQ
1 piece

Item specifics

Material
Optical-grade single-crystal sapphire
Crystal Orientation
C-plane, A-plane, R-plane by review
Shape
Round, square, rectangular or custom geometry
Diameter / Size
Custom sizes according to drawing
Thickness
Custom thickness according to application
Dimensional Tolerance
Precision tolerance according to drawing requirements
Surface Quality
80-50, 60-40, 40-20, 20-10 available
Surface Flatness
Up to λ/10 depending on size and specification
Parallelism
Precision parallelism available upon request
Surface Roughness
Optical polished; project-specific
Clear Aperture
Typically ≥90%, customizable
Transmission Range
Approx. 0.2–5.5 μm depending on thickness and coating
Coating
AR, BBAR, IR AR and custom optical coatings
Hardness/Edge Treatment
Mohs 9/Ground, polished, chamfered or beveled
Application
Camera, sensor, laser, protection window, aerospace, industrial optics

Review

Description

Custom Sapphire Optical Window Manufacturer
OEM Sapphire Windows for Industrial Cameras, Sensors and High-Temperature Systems

Dongguan Felix Glass Co., Ltd. manufactures precision sapphire optical windows for demanding industrial applications. Our sapphire solutions combine single-crystal material, optical polishing, custom dimensions and coating capability from prototype development to volume production.

Submit Custom RFQ View Technical Spec
Custom sapphire optical window manufacturer Felix Glass
Single‑Crystal Sapphire | Mohs 9 Hardness | UV‑IR Transmission
OEM Manufacturing | Custom Processing
19+Years Industry Experience
OEMCustom Sapphire Solutions
Mohs 9Scratch Resistance
UV‑IROptical Transmission
GlobalIndustrial Supply

Your Sapphire Optical Engineering Contact

Direct communication with Felix Glass engineering and sales team for custom sapphire window projects.

James Fu International Sales Director Felix Glass

James Fu

International Sales Director

James supports global OEM customers with custom sapphire optical windows,sapphire domes and precision optical components for industrial cameras,sensors and high temperature optical systems.

Our engineering team assists customers from drawing review,material selection and prototype development through final production.

19+ Years Experience OEM Sapphire Manufacturing AR Hard Coating Global Supply

Custom Sapphire Window Product Solutions

Precision sapphire windows manufactured according to industrial application requirements.

Sapphire Optical Window Technical Datasheet

Engineered sapphire windows manufactured according to customer drawings with precision processing,custom dimensions and optical coating options.

Engineering Parameter Manufacturing Capability
Material Single Crystal Sapphire (Al₂O₃)
Crystal Structure Single Crystal Aluminum Oxide
Crystal Orientation Custom Available
Transmission Range UV to Approximately 5μm IR
Hardness Mohs 9 Scratch Resistance
Diameter Range 5mm‑300mm Custom Size
Thickness Range 0.3mm‑50mm Custom Thickness
Surface Quality 10/5‑60/40 Scratch & Dig Available
Surface Flatness λ/10 Precision Available
Parallelism Customized According To Requirement
Edge Processing Chamfering,Grinding and Polishing
Coating AR Coating and Protective Coating Available
Production Capability Prototype Samples to Mass Production

Why Engineers Choose Sapphire Optical Windows

Superior mechanical and optical performance for harsh industrial, optical and high-temperature environments.

Extreme Scratch Resistance

With Mohs hardness 9,sapphire provides outstanding surface durability for outdoor cameras,sensors and optical protection systems.

High Temperature Capability

Sapphire maintains excellent mechanical and optical performance in demanding high temperature environments.

Excellent Optical Transmission

Optical grade sapphire provides excellent transmission from ultraviolet wavelengths into infrared applications.

Sapphire Window Material Comparison

Engineers select optical materials according to hardness, temperature resistance, optical performance and application environment.

Engineering Requirement Sapphire Fused Silica BK7 Glass
Hardness ★★★★★ Excellent ★★★ Good ★★ Average
Scratch Resistance Excellent Good Limited
High Temperature Performance ★★★★★ Excellent ★★★★ Very Good ★★★ Good
Mechanical Strength High Medium Medium
UV Transmission Excellent Excellent Good
Industrial Protection Excellent Good Limited
Typical Applications Industrial Cameras,Sensors,Furnace Windows UV Optics,Laboratory Systems General Optical Components

How Engineers Select Custom Sapphire Windows

Felix Glass engineers evaluate application conditions before production to recommend suitable sapphire window specifications.

Operating Environment

Temperature, pressure, chemical exposure and outdoor conditions determine sapphire window design requirements.

Optical Requirement

Wavelength range,transmission requirement and coating specification influence optical performance.

Mechanical Requirement

Size, thickness, mounting method and impact resistance determine final window structure.

Manufacturing Requirement

Tolerance, surface quality, quantity and production requirements are reviewed before manufacturing.

Sapphire Window Application Solutions

Custom sapphire optical windows designed for industrial systems requiring durability,optical clarity and environmental resistance.

Sapphire flame detection window solution

Gas Turbine Flame Detection Window

Solution: High‑temp resistant sapphire optical window

Application: Flame monitoring systems operating under continuous high‑temperature conditions.

Benefit: UV‑IR transmission and long service lifetime.

Sapphire furnace observation window

Industrial Furnace Observation Window

Solution: High‑strength sapphire observation window

Application: Industrial furnace monitoring systems.

Benefit: Thermal stability and scratch‑resistant surface.

Sapphire camera protection window solution

Industrial Camera Protection Window

Solution: Scratch‑proof sapphire protective window

Application: Outdoor cameras,machine vision and optical sensors.

Benefit: Weather resistance and high optical clarity.

Typical Sapphire Window Engineering Scenarios

These application scenarios show how specifications may be developed. Final materials, tolerances and coatings are confirmed against each customer's drawing and operating conditions.

High Temperature Flame Detection Sapphire Window

Customer Requirement: Optical window for industrial flame monitoring equipment operating under continuous high temperature conditions.

Challenge: Standard glass could not provide sufficient thermal stability and service lifetime.

Solution: Custom sapphire optical window with precision polishing and protective coating options.

Engineering objective: Improve system reliability and maintain optical performance over the specified service conditions.

Outdoor Industrial Camera Protection Window

Customer Requirement: Protective optical window for outdoor monitoring equipment exposed to dust,impact and abrasion.

Challenge: Conventional glass required frequent replacement due to surface damage.

Solution: Sapphire protection window with high hardness and optical polishing.

Engineering objective: Increase equipment durability and reduce avoidable maintenance caused by surface abrasion.

Industrial Furnace Observation System

Customer Requirement: Observation window for high temperature manufacturing equipment.

Challenge: Required stable optical performance under elevated temperatures.

Solution: Sapphire window optimized for thermal resistance and optical transmission.

Engineering objective: Support reliable optical observation during continuous operation.

Sapphire Window Manufacturing Capability

Felix Glass provides coordinated sapphire window processing for industrial imaging, vacuum equipment, sensing and semiconductor systems.

Sapphire window CNC machining Felix Glass

CNC Machining

Precision cutting & shaping for custom sapphire blanks with strict dimensional tolerance.

Sapphire optical surface grinding process

Surface Grinding

Material removal process to achieve flatness and parallelism for sapphire optics.

Sapphire window ultra‑precision polishing

Ultra‑Precision Polishing

High‑grade surface finish for IR / UV transmitting sapphire windows.

Sapphire optics thin‑film optical coating

Optical Coating

AR anti‑reflective and hard coating for improved transmission & durability.

Sapphire window clean‑room metrology inspection

Clean‑room Inspection

Dimensional and surface-quality verification against the approved drawing and inspection criteria before shipment.

Custom Sapphire Window Manufacturing Process

Our controlled production workflow supports prototype development,sample validation and long‑term OEM manufacturing.

Drawing Review

Engineering team evaluates dimensions,tolerance,application environment and optical requirements.

Material Selection

Optical grade single crystal sapphire material is selected according to project requirements.

Precision Processing

Cutting,grinding and polishing create the required optical geometry and surface quality.

Surface Treatment

AR coating and protective surface treatments are available for different applications.

Sapphire Window Quality Assurance

Felix Glass applies strict quality control throughout manufacturing to support industrial OEM optical applications.

Dimension Inspection

Diameter,thickness,shape and tolerance are inspected according to customer specifications.

Surface Quality Inspection

Optical surfaces are checked for scratches,digs,polishing quality and appearance requirements.

Optical Performance Verification

Transmission and coating requirements can be evaluated according to wavelength and system requirements.

Packaging Protection

Clean packaging methods minimize contamination and protect precision optical surfaces.

Certification & Technical Documents

Felix Glass provides supporting documents for international industrial OEM customers.

Drawing Review

Specification Confirmation

Material Data

Available When Agreed

Inspection Data

Available When Agreed

Material Report

Sapphire Spec Sheet

Coating Report

Available When Agreed

Frequently Asked Questions About Sapphire Windows

Can Felix Glass manufacture custom sapphire windows?

Yes. Felix Glass manufactures custom sapphire optical windows according to customer drawings,dimensions,tolerances and application requirements.

What applications use sapphire optical windows?

Sapphire windows are widely used in industrial cameras,sensors,furnace observation systems,flame detection equipment and optical protection applications.

What sizes of sapphire windows can you manufacture?

Felix Glass supports customized sapphire windows in different diameters,thicknesses and shapes according to customer specifications.

Can you provide AR-coated sapphire windows?

Yes. AR coating and protective coating options are available according to wavelength requirements and application conditions.

Do you support prototype and volume production?

Yes. Felix Glass supports prototype evaluation,sample development and long‑term OEM production programs.

Related Optical Solutions

Compare related dome, window and infrared optical solutions for your application.

Request Custom Sapphire Window Engineering Evaluation

✓ Engineering review based on your drawing and application
✓ Sapphire window material solution recommendation
✓ Prototype & mass‑volume manufacturing
✓ Optical coating & full‑range inspection available

Submit your specifications, application info or technical drawing. Our optical engineers will evaluate your project and offer suitable sapphire window solutions.

Upload a drawing, specification or reference image if available.

Your information will be used only to evaluate and respond to this RFQ. Prefer email? Contact james@felixglass.com.

Dongguan Felix Glass Co., Ltd.
Core Products: Sapphire Windows, Fused Silica Optics, BK7 Optical Components
Service: Custom OEM, Prototype Processing, Mass Production, Global Export
© 2026 Dongguan Felix Glass Co., Ltd. All Rights Reserved.