Mass‑produced and prototype‑grade silicon infrared windows for thermal imaging, military IR cameras, and industrial optical systems. Custom shape, high precision polishing, and professional IR coating solutions available.Custom Silicon IR Window Manufacturer MWIR Precision Optics
Felix Glass is a professional silicon IR window manufacturer offering custom monocrystalline silicon optical windows for mid‑wave infrared thermal systems, industrial detection, and military infrared equipment. High transmittance in 3–5μm mid‑wave infrared band, ideal for thermal imaging and infrared detection devices. Excellent mechanical strength, low thermal expansion, stable performance under high‑temperature working environments. Support MWIR anti‑reflection coating, DLC diamond‑like carbon coating, double‑layer enhanced IR coating. All displayed products are actual factory finished goods, no 3D rendering. Uncoated Silicon Blank Window MWIR AR Coated Silicon Window Thin Profile Silicon IR Window Custom Rectangular Silicon Window Material: Optical‑grade monocrystalline silicon Processing Flow: CNC shaping → Fine grinding → Super optical polishing → Vacuum coating Coating Solution: Dual‑band MWIR anti‑reflection + DLC hard protective coating Precision Standard: Dimension tolerance ±0.01mm | Surface quality 20/10 scratch/dig Application: Industrial online thermal imaging detection system Service Mode: Prototype sampling → Verified batch mass production Every custom silicon infrared window is fully tested and supported with official inspection documents. High‑precision micrometer and optical detector ensure strict size tolerance control. Professional surface scratch and dig detection to meet industrial IR standards. Complete transmittance curve testing, official test report provided. Prototype Lead Time: 2–4 Weeks Mass Production Lead Time: 3–6 Weeks (based on size, coating & quantity) * Final lead time confirmed after drawing DFM engineering review Yes. We support CNC fully customized round, square, rectangular, stepped and special irregular silicon optical windows. MWIR anti‑reflection coating greatly improves transmittance. DLC coating enhances surface hardness and scratch resistance for harsh industrial environments. Yes. We provide professional prototype verification service for new product R&D projects, supporting 5–50 pcs small‑batch trial production. ✓ Professional Drawing DFM Review ✓ Custom Material & Coating Solution ✓ Prototype Sampling Support ✓ Stable Mass Production Supply Engineering feedback & formal quote within 24 hours.Precision Polished Silicon Infrared Windows
MWIR Transmission
High Hardness & Stability
Custom Coating
Real Silicon IR Windows Manufactured by Felix Glass
Recent Custom Silicon IR Window Project
Custom DLC + MWIR AR Coated Silicon Window for Industrial Thermal Camera
Silicon IR Window Standard Specifications
Item
Parameters
Material
Monocrystalline Silicon (IR Grade)
Working Band
3μm–5μm MWIR
Dimension Range
3mm–300mm Custom Size
Thickness Tolerance
±0.005mm–±0.02mm
Surface Quality
20/10, 40/20 optional
Coating Options
MWIR AR, DLC, Anti‑reflection multi‑layer
Shape
Round, Square, Rectangle, Irregular Custom
Full In‑House Inspection & Quality Assurance
Dimension Testing
Surface Defect Inspection
Spectral Testing
Clear Production Lead Time
Silicon IR Window FAQ
1. Can you produce custom non‑standard silicon window shapes?
2. What coating is best for MWIR thermal systems?
3. Do you support small batch prototype orders?
Start Your Silicon IR Optics Project
- What is the minimum order quantity for custom precision optical glass components?
FELIX OPTICAL GLASS offers highly flexible MOQs to support customer projects, including prototype testing, small-batch trial orders, and high-volume production. All products can be fully customized to your drawings, tolerances, and application standards. Please send us your specifications, and we will reply within 1-5 hours and provide an accurate quotation after careful evaluation within 1-2 days.
- 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?
A: The production cycle for standard samples is 3-10 working days, while mass production requires 15-35 working days, depending on the complexity of the product and the order quantity. We provide reliable precision optical glass components and fast delivery services for orders from industries such as defense, industrial equipment, medical devices, shipbuilding, robotics, automotive, and aerospace. Please submit your project details so we can provide you with an accurate delivery schedule.
- Are your optical glass products ISO, CE and RoHS certified?
All precision optical glass components from FELIX OPTICAL GLASS comply with ISO quality system standards as well as CE and RoHS requirements. We provide comprehensive test reports, spectral graphs, material certificates, and inspection documents for customer review. Please feel free to request complete certification details and a formal quotation at any time.
- Do you offer one-stop custom optical glass processing services?
Yes. We offer a full range of precision optical glass component processing services, including CNC machining, precision grinding, optical polishing, chemical/physical tempering, vacuum coating (AR anti-reflective coating, AF anti-fingerprint coating, AG anti-glare coating, IR infrared coating), and screen printing. From raw materials to finished products, every step is completed in our own factory. Please tell us your needs, and we will provide you with the most cost-effective solution.
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With 19 years of experience as a precision optical glass expert, we provide comprehensive and satisfactory customized solutions.
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