Ruby optical window single crystal Al₂O₃ for high temperature
sensor window melting point 2050℃
Ruby optical window is a high performance optical component made of
artificial ruby (Al₂O₃), with excellent optical, mechanical and
chemical properties. Ruby's high hardness, high melting point and
excellent light transmission make it ideal for extreme environments
and is widely used in laser systems, spectral analysis, industrial
sensing and aerospace.
Ruby optical window features
1. High light transmission
- Rubies have excellent light transmission properties in the
visible to near-infrared band (400 nm-5.5 µm), making them suitable
for a variety of optical applications.
- The low absorptivity and high refractive index (1.76 @ 600 nm)
make it excellent in laser systems.
2. High hardness and wear resistance
- Mohs hardness of up to 9, second only to diamond, is resistant to
scratches and wear, suitable for high-wear environments.
3. Excellent high temperature resistance
- With a melting point of up to 2050°C, it can work stably in high
temperature environments and is suitable for high temperature
lasers and industrial heating equipment.
4. Chemical stability
- Strong corrosion resistance to acids, alkalis and organic
solvents, suitable for harsh chemical environments.
5. High mechanical strength
- High compressive and bending strength, able to withstand high
pressure and shock, suitable for high pressure Windows and
protection applications.
Ruby optical window Reference Table
With its high light transmission, high hardness, high temperature
resistance and chemical stability, Ruby optical Windows excel in
laser technology, spectral analysis, industrial sensing, aerospace,
semiconductor manufacturing and medical devices. Its superior
performance is highly suited to the demands of extreme environments
and is a key component of high-performance optical systems.
| Chemical Formula | Ti3+:Al2O3 |
| Crystal Structure | Hexagonal |
| Lattice Constants | a=4.758, c=12.991 |
| Density | 3.98 g/cm3 |
| Melting Point | 2040℃ |
| Mohs Hardness | 9 |
| Thermal Expansion | 8.4 x 10-6/℃ |
| Thermal Conductivity | 52 W/m/K |
| Specific Heat | 0.42 J/g/K |
| Laser Action | 4-Level Vibronic |
| Fluorescence Lifetime | 3.2μs at 300K |
| Tuning Range | 660nm ~ 1050nm |
| Absorption Range | 400nm ~ 600nm |
| Emission Peak | 795 nm |
| Absorption Peak | 488 nm |
| Refractive Index | 1.76 at 800nm |
| Peak Cross Section | 3.4 x 10-19cm2 |
Ruby optical window application
1. Laser technology
Application scenario: Output window and mirror protection window of
high power laser.
Performance correspondence: Ruby's high light transmittance and
high temperature resistance ensure laser transmission efficiency
while tolerating high energy density.
2. Spectral analysis
Application scenario: Window material for infrared spectrometer and
Raman spectrometer.
Performance correspondence: The high transmittance of ruby in a
wide band ensures accurate acquisition of spectral signals.
3. Industrial sensing and detection
Application scenario: Protection window of high temperature sensor
and pressure sensor.
Performance: High hardness and high temperature resistance make it
work stably in high temperature and high pressure environment.
4. Aerospace
Application scenarios: spacecraft window, missile fairing.
Performance: High mechanical strength and heat resistance make it
able to withstand high temperatures and shocks during high-speed
flight.
5. Semiconductor manufacturing
Application scenario: Observation window of plasma etching
equipment.
Performance correspondence: Chemical stability and high temperature
resistance make it stable in corrosive gases and high temperature
plasma environments.
6. Medical equipment
Application scenario: Window element of laser surgical equipment.
Performance correspondence: High light transmittance and
biocompatibility ensure high efficiency and safety of the
equipment.
ZMSH Ruby optical window display
ZMSH focuses on the professional custom production and processing
of ruby materials, and provides high-precision manufacturing
services for ruby rods, ruby tubes, ruby Windows and various custom
parts.
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