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Sapphire Optical Window for High Temperature Industrial Sensor
| Share | |
|---|---|
| Categories | Sapphire Optical Windows |
| Brand | FELIX GLASS optical glass Manufacturing base |
| Model | FG-WIN-19 |
| Material | Sapphire (Al₂O₃) 1: High Purity Fused Silica 2: Synthetic Single-Crystal |
| Diameter Range | 0.5mm – 200mm |
| Thickness Range | 0.1mm – 30mm |
| SiO₂ Purity (Quartz) | ≥99.99% |
| Sapphire Purity: | 99.99% Al₂O₃ |
| Long-Term Working Temp (Quartz | 1100–1200℃ |
| Long-Term Working Temp (Sapphire) | ≤1800℃ |
| Thermal Expansion Coefficient (Fused Silica | 5.5 × 10⁻⁷ /°C |
| Sapphire Softening Point | 2040℃ |
| Processing | Round cutting, edge chamfering, double-sided polishing, mounting hole drilling |
| Optional Coating | IR anti-reflection coating, broadband AR coating, UV enhanced coating |
| FOB port | SHENGZHEN SHANGHAI GUANGZHOU |
| Terms of Payment | L/C, D/A, D/P, Western Union |
| Download |  |
Detail Information
Sapphire Optical Window for High Temperature Industrial Sensor Felix Glass Co., Limited provides ultra-precision CNC-machined, special-shaped sapphire optical parts. Based on single-crystal sapphire blanks, we deliver customized irregular octagonal, rectangular, stepped and chamfered sapphire optics for harsh industrial optical systems. Our CNC sapphire machining supports controlled flatness, parallelism and dimensional tolerances for EO/IR sensing, medical devices and high-temperature furnace equipment. Each requirement is reviewed against the customer drawing and operating environment. A sapphire window creates a durable optical barrier between the sensor and a hot, abrasive or chemically demanding process environment. Its role is to protect the optical path while maintaining transmission within the selected wavelength range. Final material orientation, coating, thickness and mounting design depend on temperature, pressure, spectral band, angle of incidence and seal configuration. Tolerance and temperature values are specification targets, not universal guarantees. Felix Glass confirms feasibility from size, geometry, orientation, coating and test method. Prototype, small-batch and repeat production support based on drawing and inspection needs. CAD, STEP and PDF drawings can be reviewed for geometry, clear aperture, edge profile and mounting interface. Interferometric flatness, spectral transmission and dimensional inspection can be defined before production. Industrial furnace observation and temperature-sensor protection where heat, particles and cleaning cycles affect the exposed optic. Optical sensing windows that require a durable polished surface and controlled geometry. Thermal monitoring camera assemblies when sapphire transmission matches the detector band. Precision protective components for compact optical and sensor assemblies. Protective optics for systems requiring abrasion resistance and a project-defined coating. Custom windows for instruments with defined cleaning, transmission and mechanical requirements. Comparable solutions include an AR-coated sapphire window for thermal monitoring cameras and a C-plane sapphire flat window for medical equipment. Inspection can cover dimensions, surface condition, flatness, parallelism and spectral performance when these items are defined in the purchase specification. Finished optics are separated and protected to reduce handling contact during shipment. Request sapphire machining and material information for internal review. Provide CAD, STEP or PDF files with the working conditions and inspection criteria. Review material orientation, coating, tolerances, mounting and production quantity. No. The sensor wavelength, temperature, pressure, atmosphere and mounting design must all be checked. Sapphire is appropriate only when its transmission and mechanical behavior match the system. Yes. Rectangular, octagonal, stepped, chamfered, elliptical and other drawing-defined shapes can be reviewed for CNC machining and polishing. No. Achievable tolerances depend on diameter, thickness, shape, aspect ratio, crystal orientation, quantity and inspection method. Send dimensions, tolerances, wavelength, clear aperture, coating target, operating temperature, pressure, mounting method, inspection requirements and quantity.
Attention · High-temperature optical protection
1. Product Introduction
Single-crystal sapphire High-temperature use Drawing-based CNC
View Sapphire Optical Windows
Attention · Direct answer
What Does a Sapphire Window Do for a High-Temperature Sensor?
Interest · Original technical content retained
2. Material & CNC Machining Performance
Substrate A-plane or C-plane single-crystal sapphire Original machining targets Dimension ±0.005 mm, flatness ≤ λ/4 and parallelism ≤ 0.01 mm, subject to drawing review Available shapes Octagonal, rectangular, stepped blanks, elliptical and custom irregular outlines Surface finish Optical-grade polishing with project-defined surface quality Optional coatings Single- or double-side broadband AR coating and UV-to-IR application-specific coatings Hardness and resistance Mohs 9 scratch resistance; original application range stated as −70°C to 1200°C, with acid and alkali resistance evaluated for the complete coated assembly 
Interest · Manufacturing route
3. Custom CNC Processing Service
Flexible Production
Drawing Acceptance
Inspection Planning
Interest · RFQ checklist
Specifications to Confirm Before Manufacturing
Desire · Original application order retained
4. Core Application Scenarios
High-Temperature Furnaces
Medical Equipment
EO/IR Monitoring
Aerospace Optoelectronics
Laser Optical Paths
Biomedical Diagnostics
Desire · Original advantages retained
5. Advantage of Our CNC Special Shaped Sapphire Parts
Desire · Quality and delivery
Inspection, Packaging and Related Sapphire Options
Action · Original CTA sequence retained
6. Three-Layer Standard CTA
Request a Drawing Review
Technical Data
Send Your Drawing
Engineering Discussion
Action · Engineering FAQ
Sapphire Optical Window FAQ
Can sapphire be used for every high-temperature sensor?
Can you manufacture non-round or stepped windows?
Are the listed tolerances available on every size?
What information should be included with an RFQ?
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Custom Precision Optical & Glass Components Manufacturer – Felix Glass Co., Limited.
We supply Industrial Glass, Sapphire Optics, Optical Lenses/Prisms/Filters, Infrared IR Optics, Functional & Display Glass, N-BK7/H-K9L Optical Glass, supporting OEM mass production and laboratory custom prototypes. Flexible MOQ & free sample service available. Fill in the form to download full datasheets and get factory wholesale price within 24 hours.
CONTACT US NOW FOR A QUOTE
Send an inquiry now—we will respond promptly within 1–24 hours and provide our best formal quote within 1–2 days! Let’s start a mutually beneficial partnership today...
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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.
CONTACT US NOW FOR A QUOTE
Send an inquiry now—we will respond promptly within 1–24 hours and provide our best formal quote within 1–2 days! Let’s start a mutually beneficial partnership today...
- Name
- *Title
- *Content
