UV Fused Silica Optical Window
UV Fused Silica Optical Windows are precision optical components designed to transmit ultraviolet, visible and near-infrared wavelengths while protecting internal optical systems in UV imaging, laser and scientific applications. Manufactured from high-purity fused silica substrates with excellent ultraviolet transmission, low thermal expansion and high laser damage resistance, these windows provide reliable light transmission and long-term optical stability. Chenyu Optics manufactures UV fused silica optical windows uncoated or with UV AR, broadband AR and laser AR coatings.
UV Fused Silica Optical Window Overview
UV Fused Silica Optical Windows are precision optical components designed to transmit ultraviolet, visible and near-infrared wavelengths while protecting internal optical systems in UV imaging, laser and scientific applications.
Manufactured from high-purity fused silica substrates with excellent ultraviolet transmission, low thermal expansion, high laser damage resistance and superior optical stability, UV fused silica optical windows provide reliable light transmission, low wavefront distortion and long-term performance. They are widely used in UV laser systems, spectroscopy equipment, photolithography systems, imaging systems and scientific optical instruments where high-performance ultraviolet transmission is required.
Chenyu Optics supports custom UV fused silica window manufacturing according to customer drawings, including custom diameter, thickness and coating design for prototype and repeat production.
Key Advantages of UV Fused Silica Optical Window
UV Laser & Photolithography Systems
UV fused silica optical windows are widely used for ultraviolet transmission in UV laser systems, spectroscopy instruments, photolithography equipment and semiconductor inspection systems.
Typical Specifications of UV Fused Silica Optical Window
| Material | UV Grade Fused Silica / Synthetic Fused Silica / Custom Optical Substrate Available |
|---|---|
| Optical Function | Transmitting ultraviolet, visible and near-infrared wavelengths while protecting optical systems |
| Coating Options | Uncoated / UV AR Coating / Broadband AR Coating / Laser AR Coating / Custom Optical Coating |
| Transmission Range | Approx. 185 nm – 2.5 μm |
| Refractive Index | Approx. 1.46 @ 587.6 nm |
| Diameter | Custom |
| Thickness | Custom |
| Surface Quality | 60-40 to 10-5, depending on requirement |
| Flatness | λ/4 to λ/10, depending on requirement |
| Clear Aperture | Available |
| Angle of Incidence (AOI) | Custom |
Spectral Transmission Curve (Typical)
Why Choose Chenyu Optics for UV Fused Silica Optical Window
Chenyu Optics focuses on drawing-based precision UV optical window manufacturing for laser, imaging and spectroscopy systems. We support prototype verification, small-batch production and repeat manufacturing for non-standard UV fused silica windows.
Manufacturing Capability for UV Fused Silica Optical Window
Precision Polishing
Controlled grinding and polishing procedures for high optical accuracy and low wavefront distortion in UV fused silica substrates.
Optical Coating
UV AR, broadband AR and laser AR coating options for UV laser, imaging and spectroscopy applications.
Inspection & Packaging
Dimensional inspection, surface review, optical performance checking and protective packaging before shipment.
Custom Manufacturing Options for UV Fused Silica Optical Window
Dimensions & Geometry
Custom diameter, thickness and clear aperture can be manufactured according to customer drawings, with standard or custom window shapes.
Surface & Mechanical Quality
Surface flatness of λ/4 to λ/10 and surface quality of 60-40 to 10-5 can be selected according to optical performance and laser damage threshold requirements.
Coating & Wavelength Design
Uncoated, UV AR, broadband AR, laser AR and custom optical coatings can be specified for ultraviolet, visible and near-infrared applications.
UV Fused Silica Window Material Comparison
| UV Fused Silica | BK7 / N-BK7 | Sapphire | Calcium Fluoride (CaF₂) | |
|---|---|---|---|---|
| Transmission | UV to NIR, approx. 185 nm – 2.5 μm | Visible to NIR, approx. 350 nm – 2.5 μm | UV to MWIR, commonly 0.2 – 5.5 μm | UV to MWIR, approx. 0.13 – 8.0 μm |
| Refractive Index | Approx. 1.46 @ 587.6 nm | Approx. 1.517 @ 587.6 nm | Approx. 1.76 | Approx. 1.43 @ 1 μm |
| Mechanical Notes | High laser damage resistance, low thermal expansion, chemically durable | Good mechanical stability, cost-effective, moderate hardness | Very hard and chemically durable | Relatively soft and brittle, low hygroscopicity |
| Typical Use | UV laser optics, photolithography, spectroscopy | General-purpose imaging, laser and instrument windows | Protective windows, harsh environment optics | UV spectroscopy, excimer laser optics |
Applications of UV Fused Silica Optical Window
UV Laser Systems
High laser damage threshold windows for UV laser optical paths.
UV Imaging Systems
Stable ultraviolet transmission for UV imaging applications.
Photolithography Equipment
Precision windows for photolithography optical systems.
Spectroscopy Instruments
Broadband UV-to-NIR windows for spectroscopic measurement.
Semiconductor Inspection Systems
Reliable UV windows for semiconductor inspection equipment.
Biomedical Imaging Systems
Precision windows for biomedical and scientific research instruments.
UV Fused Silica Optical Window FAQ
What is the function of a UV fused silica optical window?
A UV fused silica optical window transmits ultraviolet wavelengths while protecting internal optical components in UV laser, imaging and scientific optical systems.
Why is fused silica used for UV optical windows?
UV fused silica provides excellent ultraviolet transmission, low absorption, high laser damage resistance and low thermal expansion, making it suitable for demanding UV applications.
What coating options are available for UV fused silica optical windows?
UV fused silica optical windows can be manufactured with UV AR coatings, broadband AR coatings, laser AR coatings and custom optical coatings for different wavelength requirements.
Can custom UV fused silica optical windows be manufactured?
Yes. Chenyu Optics provides customized UV fused silica optical windows with different sizes, thicknesses, surface quality, coatings, clear apertures and optical specifications according to system requirements.
What information should I provide for a quotation?
Please provide diameter, thickness, surface flatness, surface quality, coating requirement, quantity and drawing if available.
Where can I learn more about UV optical materials?
Additional UV optical material information can be found from Edmund Optics.
Related Products for UV Fused Silica Optical Window
Need Custom UV Fused Silica Optical Windows?
Send us your drawing, diameter, thickness, coating requirements and quantity. Chenyu Optics will review the optical and mechanical specifications and provide a suitable UV fused silica window manufacturing suggestion.