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 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.
- Name
- *Title
- *Content
