Custom Shapes Quartz Optical Glass windows Thickness 8.3mm High
Refractive Index
The Quartz Optical Window (Thickness 8.3mm) is precision-engineered
from high-purity fused silica (SiO₂), offering exceptional optical
transparency, thermal stability, and chemical inertness. Designed
for demanding applications in advanced laser systems, semiconductor
fabrication, and vacuum observation, this product supports custom
geometries (circular, square, irregular shapes) and complex
structures (through-holes, beveled edges, chamfers) to meet diverse
optical integration needs. Complementary products include quartz
prisms, filters, and lenses.
Specifications of quartz optical window (8.3mm Thickness)
| Parameter | Value/Description |
| Material | Fused Silica |
| Thickness | 8.3 mm |
| Diameter/Size | Customizable |
| Surface Quality | 60/40 or better |
| Transmission Range | 190 nm ~ 2500 nm |
| Refractive Index (@587.6 nm) | 1.458 |
| Surface Flatness | λ/4 @ 632.8 nm |
| Parallelism | < 3 arcmin |
| Coating Options | AR coating, reflective coating, etc. |
Product Features of quartz optical window (8.3mm Thickness)
1. Optical Performance
- Broad Spectral Transmission: >90% transmission in the
ultraviolet (170–2500 nm) and infrared (up to 3500 nm) ranges,
optimized for UV-Vis-NIR applications .
- Low Stray Light: Achieves λ/10 surface flatness (tested via
Zygo interferometry) and Ra <1 nm (atomic force microscopy),
minimizing light scattering and distortion.
2. Thermal Robustness
- High-Temperature Endurance: Operates continuously at 1100°C
and withstands thermal shock (1100°C → room temperature without
cracking) .
- Ultra-Low CTE: Thermal expansion coefficient of 0.55×10⁻⁶/°C
(25–300°C), ensuring dimensional stability in extreme thermal
cycling.
3. Mechanical & Chemical Durability
- Hardness & Strength: Mohs hardness of 7 and compressive
strength of 1100 MPa, resistant to mechanical abrasion and
high-pressure environments .
- Chemical Resistance: Impervious to acids (except HF) and
organic solvents, validated in semiconductor wet etching and
chemical vapor deposition (CVD) processes .
4. Surface Quality
- Ultra-Polished Finish: Surface roughness <1 nm (Ra) and
40/20 scratch/dig specification, critical for high-resolution
imaging and laser optics .
Applications of quartz optical window (8.3mm Thickness)
1. Laser Systems
· Laser Output Windows: Serve as protective interfaces for CO₂
lasers (10.6 μm) and ultrafast lasers (femtosecond pulses),
mitigating thermal lensing and beam distortion.
· UV Laser Shielding: Protect sensitive components in
lithography and micromachining systems from UV-induced degradation.
2. Semiconductor Manufacturing
· Plasma Observation Windows: Enable real-time monitoring of
plasma etching processes in wafer fabrication, maintaining vacuum
integrity and optical clarity.
· CVD Chamber Viewports: Monitor thin-film deposition
uniformity while resisting corrosive byproducts (e.g., SiCl₄, NF₃).
3. Vacuum & High-Radiation Environments
· Synchrotron Beamline Windows: Transmit hard X-rays (up to 35
keV) with minimal absorption in particle accelerators and
free-electron lasers .
· Vacuum System Monitoring: Provide visibility into high-vacuum
chambers without compromising pressure integrity.
4. Analytical Instrumentation
· Spectrometer Sample Windows: Ensure flat spectral response
for Raman, FTIR, and UV-Vis spectroscopy, supporting material
characterization.
· XRD Sample Holders: Maintain crystallographic alignment
during diffraction analysis.
5. Defense & Aerospace
· Hypersonic Vehicle Windows: Withstand thermal gradients
exceeding 1000°C/s and radiation doses >10⁶ rad.
· Laser Weapon Systems: Protect optical train components from
high-energy laser pulses (100 kW–1 MW).
ZMSH's service
ZMSH Precision Optics specializes in the R&D and manufacturing
of high-precision quartz optical components, with core products
including quartz optical windows (notably 8.3mm thickness
variants), prisms, filters, and lenses, all crafted from
high-purity fused silica for exceptional optical transparency,
thermal stability, and chemical inertness. Offering extensive customization capabilities—from standard
circular/square shapes to irregular/complex geometries (with
through-holes, beveled edges, or multi-aperture designs)—ZMSH
caters to diverse industrial needs across laser systems,
semiconductor equipment, vacuum observation, analytical
instrumentation, and defense/aerospace applications. Services encompass full lifecycle support: from custom fabrication
(CNC machining, polishing, coating—AR/HR/dichroic films), metrology
(surface flatness, transmission testing), and rapid prototyping to
scalable mass production, complemented by technical consulting on
material selection and surface treatment optimization to ensure
optimal system integration.
FAQ of quartz optical window (8.3mm Thickness)
