aerospace sapphire cover | Custom Sapphire Window Lids

group name: Sapphire Optical Components

Min Order: 5 piece

brand name: FELIX GLASS optical glass Manufacturing base

model: FELIX GLASS SOC-BLK-001

Nearest port for product export: Shenzhen, Guangzhou

Delivery clauses under the trade mode: FOB, CFR, CIF, EXW, FAS, CIP, FCA, CPT, DEQ, DDP, DDU, Express Delivery, DAF, DES

Acceptable payment methods: T/T, L/C, D/P D/A, MoneyGram, Credit Card, PayPal, Westem Union, Cash, Escrow

update time: Wed, 10 Jun 2026 03:27:16 GMT

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Paramtents

Material High-Purity Single-Crystal Sapphire (Aerospace Grade)
Spectral Range 150nm ~ 5.5μm (UV-Vis-Mid IR)
Mohs Hardness 9.0
Operating Temperature -200℃ ~ 1600℃
Surface Quality 20/10, 10/5 Aerospace Grade
Dimensional Tolerance ±0.01mm
Available Coating UV/Visible/IR AR coating
Custom Options Shape, size, mounting holes, edge treatment

Packging & Delivery

50cm x50cm x30cm
Min Order5 piece

Briefing

Aerospace grade sapphire covers. Hard, heat-resistant and wide UV-IR transmittance for defense & aviation use.

Detailed

Aerospace Grade Sapphire Optical Covers | Custom Sapphire Window Lids

Aerospace grade sapphire optical covers are high-performance protective optical components made of premium single-crystal sapphire. These covers are designed to protect sensitive optical sensors, cameras and instruments in extreme aerospace environments, while maintaining high light transmittance and dimensional stability. With ultra-high hardness, excellent thermal shock resistance and wide spectral transmission, they ensure reliable operation of critical optical systems under high temperature, high pressure and radiation conditions.

Core Advantages

Mohs 9 ultra-hard material, scratch-resistant and impact-resistant
Wide spectral transmission from UV to mid-infrared for multi-band optical systems
Excellent high-temperature resistance and thermal shock stability
High radiation resistance, suitable for space and high-altitude applications
Low thermal expansion coefficient, ensuring stable optical performance in temperature changes
Custom shapes, sizes and mounting interfaces for aerospace equipment
Strict quality control to meet aerospace-grade reliability requirements

Available Types & Configurations

Flat sapphire optical covers with various shapes (round, square, rectangular)
Curved or domed sapphire protective lids
Sapphire covers with customized mounting holes or edges
Sapphire covers with anti-reflection coating for specific working bands

Key Technical Specifications

Item	Parameter
Material	High-Purity Single-Crystal Sapphire (Aerospace Grade)
Spectral Range	150nm ~ 5.5μm (UV-Vis-Mid IR)
Mohs Hardness	9.0
Operating Temperature	-200℃ ~ 1600℃
Surface Quality	20/10, 10/5 Aerospace Grade
Dimensional Tolerance	±0.01mm
Available Coating	UV/Visible/IR AR coating
Custom Options	Shape, size, mounting holes, edge treatment

Main Applications

Satellite and space-borne optical sensor protection
Aircraft and UAV camera and optical system covers
Aerospace EO/IR imaging and targeting systems
High-altitude and high-speed aircraft optical windows
Defense and military optical equipment protection
Harsh-environment industrial optical instruments

Custom Service

Custom size, shape, thickness and mounting features according to aerospace drawings
Precision machining, polishing and edge finishing for high reliability
Targeted anti-reflection coating for specific working wavelengths
Strict testing and inspection to meet aerospace quality standards
Small batch prototypes and production orders supported

Call to Action

Get Custom Quote | View All Aerospace Grade Sapphire Components

Exclusive FAQ

Q1: What are aerospace grade sapphire optical covers used for? A: They are used to protect optical sensors, cameras and instruments in satellites, aircraft and defense systems, providing scratch resistance, thermal stability and high light transmittance in harsh environments.

Q2: Can you make custom shapes or sizes for aerospace projects? A: Yes. We fully customize the shape, size, thickness, mounting holes and edge treatment according to your technical drawings and specifications.

Q3: Do you provide AR coating for aerospace sapphire covers? A: Yes. We offer anti-reflection coatings for UV, visible and infrared bands to maximize light transmittance for your specific optical system.

Q4: What testing standards do your aerospace sapphire covers meet? A: Our sapphire covers are produced and inspected to meet aerospace-grade quality standards, including optical performance, dimensional accuracy and environmental stability tests.

Q5: Can you support small-batch or prototype orders for aerospace projects? A: Yes. We support prototype sampling, small-batch trial production and full-scale production to meet different aerospace project stages.