1 - 100 piece
101 - 999 piece
1000 - 4999 piece
5000 - 9999 piece
10000 - 99999 piece
group nameSapphire Optical Windows
Min Order1 piece
brand nameFELIX GLASS optical glass Manufacturing base
modelFE-LBS-0102001
payment methodL/C, D/A, D/P, Western Union
update timeTue, 15 Sep 2026 13:24:25 GMT
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
Size45cm x35cm x20cm
Min Order1 piece
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
Direct communication with Felix Glass engineering and sales team for custom sapphire window projects.
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.
Precision sapphire windows manufactured according to industrial application requirements.
Custom round sapphire windows for optical instruments,cameras and sensor protection systems.
OEM sapphire windows with custom dimensions for industrial equipment and optical applications.
Large size sapphire windows designed for demanding observation and protection applications.
Scratch resistant sapphire windows for outdoor cameras and industrial vision systems.
Anti‑reflection coated sapphire windows optimized for improved optical transmission.
Custom engineered sapphire components produced according to customer drawings.
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 |
Superior mechanical and optical performance for harsh industrial, optical and high-temperature environments.
With Mohs hardness 9,sapphire provides outstanding surface durability for outdoor cameras,sensors and optical protection systems.
Sapphire maintains excellent mechanical and optical performance in demanding high temperature environments.
Optical grade sapphire provides excellent transmission from ultraviolet wavelengths into infrared applications.
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 |
Felix Glass engineers evaluate application conditions before production to recommend suitable sapphire window specifications.
Temperature, pressure, chemical exposure and outdoor conditions determine sapphire window design requirements.
Wavelength range,transmission requirement and coating specification influence optical performance.
Size, thickness, mounting method and impact resistance determine final window structure.
Tolerance, surface quality, quantity and production requirements are reviewed before manufacturing.
Custom sapphire optical windows designed for industrial systems requiring durability,optical clarity and environmental resistance.
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.
Solution: High‑strength sapphire observation window
Application: Industrial furnace monitoring systems.
Benefit: Thermal stability and scratch‑resistant surface.
Solution: Scratch‑proof sapphire protective window
Application: Outdoor cameras,machine vision and optical sensors.
Benefit: Weather resistance and high optical clarity.
These application scenarios show how specifications may be developed. Final materials, tolerances and coatings are confirmed against each customer's drawing and operating conditions.
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.
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.
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.
Felix Glass provides coordinated sapphire window processing for industrial imaging, vacuum equipment, sensing and semiconductor systems.
Precision cutting & shaping for custom sapphire blanks with strict dimensional tolerance.
Material removal process to achieve flatness and parallelism for sapphire optics.
High‑grade surface finish for IR / UV transmitting sapphire windows.
AR anti‑reflective and hard coating for improved transmission & durability.
Dimensional and surface-quality verification against the approved drawing and inspection criteria before shipment.
Our controlled production workflow supports prototype development,sample validation and long‑term OEM manufacturing.
Engineering team evaluates dimensions,tolerance,application environment and optical requirements.
Optical grade single crystal sapphire material is selected according to project requirements.
Cutting,grinding and polishing create the required optical geometry and surface quality.
AR coating and protective surface treatments are available for different applications.
Felix Glass applies strict quality control throughout manufacturing to support industrial OEM optical applications.
Diameter,thickness,shape and tolerance are inspected according to customer specifications.
Optical surfaces are checked for scratches,digs,polishing quality and appearance requirements.
Transmission and coating requirements can be evaluated according to wavelength and system requirements.
Clean packaging methods minimize contamination and protect precision optical surfaces.
Felix Glass provides supporting documents for international industrial OEM customers.
Specification Confirmation
Available When Agreed
Available When Agreed
Sapphire Spec Sheet
Available When Agreed
Yes. Felix Glass manufactures custom sapphire optical windows according to customer drawings,dimensions,tolerances and application requirements.
Sapphire windows are widely used in industrial cameras,sensors,furnace observation systems,flame detection equipment and optical protection applications.
Felix Glass supports customized sapphire windows in different diameters,thicknesses and shapes according to customer specifications.
Yes. AR coating and protective coating options are available according to wavelength requirements and application conditions.
Yes. Felix Glass supports prototype evaluation,sample development and long‑term OEM production programs.
Compare related dome, window and infrared optical solutions for your application.
Submit your specifications, application info or technical drawing. Our optical engineers will evaluate your project and offer suitable sapphire window solutions.
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