Sapphire Optical window components Sapphire high precision
transparent glass protection window
Sapphire optical window custom parts are a kind of high-performance
optical components designed and manufactured according to the
specific needs of customers, which are widely used in a variety of
high-end optical systems and equipment. Sapphire (alpha-alumina,
Al₂O₃) is an ideal material for the manufacture of optical Windows
due to its excellent physical, chemical and optical properties.
Customized parts can be customized according to the specific
requirements of customers in terms of size, shape, thickness,
surface finish, coating and other aspects of personalized design to
meet the needs of different application scenarios.
The manufacturing process of sapphire optical window custom parts
includes steps such as crystal growth, cutting, grinding, polishing
and coating. The commonly used crystal growth methods are
Kyropoulos method and Czochralski method to ensure the high purity
and uniformity of the material. Through precision machining and
strict quality control, sapphire optical window custom parts can
meet the strict requirements of high-precision optical systems.
Due to its unique performance combination, sapphire optical window
custom parts are widely used in the optical, electronics,
aerospace, defense, medical and industrial fields, becoming an
indispensable key component in many high-end devices.
Sapphire window characteristic
High hardness and wear resistance
- Sapphire has a Mohs hardness of up to 9, second only to diamond,
making it extremely resistant to scratch and wear, suitable for
long-term use in harsh environments.
Excellent optical properties
- Sapphire has a high transmittance (about 80%-85%) in the
ultraviolet (UV), visible light (VIS) and infrared (IR) bands,
especially in the 0.15-5.5 micron wavelength range, suitable for a
variety of optical applications.
High chemical stability
- Sapphire has strong corrosion resistance to most acids, bases and
solvents, and can maintain stable performance in highly corrosive
environments.
High thermal conductivity and high temperature resistance
- Sapphire has a high thermal conductivity and can effectively
dissipate heat, while its melting point is as high as 2050℃, which
is suitable for use in high temperature environments.
Excellent mechanical strength
- The high compressive strength and bending strength of sapphire can
withstand large mechanical stress and impact, suitable for
high-load application scenarios.
Good electrical insulation
- Sapphire is an excellent electrical insulation material, suitable
for high voltage and high frequency electronic devices.
Strong customization
- Sapphire optical window custom parts can be customized according to
customer needs, including size, shape, thickness, surface finish,
coating, etc., to meet the needs of different application
scenarios.
Sapphire window Parameter
Product name | industrial sapphire wafer |
sapphire optical lens chemical formula | AL2O3 |
Crystal structure | Hexagonal |
Hardness Mohs | 9H |
Compressvise strength | Gpa 2.0 |
Density(20℃) | 3.98g/cm |
Fusion point | 2040℃ |
Boiling point | 2980℃ |
Coefficient of Thermal Expansion | α=5.8×10 -6 /K |
Specific heat | 0.418W.s/g/k |
Thermal conduction | 25.12W/m/k(@100°C) |
Optical transmission range | 0.17-5.5μm |
Transmission(0.3~5um) | 85-88% |
Refractive index | no=1.768nd |
ne=1.76nd |
dn/dt | 13×10-6/K(@633nm) |
Permittivity | 11.5(//c), 9.3(⊥c) |
Sapphire window applications
1. Optical window and sensor protection
Sapphire optical window custom parts are commonly used to protect
Windows for optical instruments, laser systems and sensors,
effectively preventing dust, water vapor and mechanical damage,
while maintaining high light transmission.
2. Consumer electronics
In consumer electronics such as smartphones and smartwatches,
sapphire optical window custom parts are used as camera protection
covers and screen covers, providing excellent scratch resistance
and durability.
3. Aerospace and Defense
Because of its high hardness, high temperature resistance and
radiation resistance, sapphire optical window custom parts are
widely used in aerospace equipment sensor Windows, missile fairing
and satellite optical systems.
4. Industrial equipment
In the industrial sector, sapphire optical window custom parts are
used for high-temperature viewing Windows, laser cutting heads and
protective lenses to maintain stable optical performance in harsh
environments.
5. Medical equipment
Sapphire optical window custom parts are used in medical devices
for endoscopes, laser surgical instruments and optical inspection
instruments, providing high light transmittance and
biocompatibility.
6. Semiconductor and electronics industry
In semiconductor manufacturing, sapphire optical window custom
pieces are used as protective Windows for mask plates and wafer
processing in lithography machines, ensuring high precision and
reliability.
7. Research and laboratory
Sapphire optical window custom parts are used in the field of
scientific research for high energy laser experiments, spectral
analysis and observation Windows in vacuum systems to meet the
needs of high precision and high stability.
8. Automobile and transportation
In the automotive and transportation sectors, Sapphire optical
window customizations are used for LiDAR and sensor protection to
enhance the performance of autonomous driving and intelligent
transportation systems.
Sample display
Sapphire optical window custom parts with its high hardness,
excellent optical properties, chemical stability and high
temperature resistance, in the optics, electronics, aerospace,
defense, medical and industrial fields play an important role.
FAQ
