Fused Silica Spherical Lens
Fused Silica Spherical Lenses are precision optical components manufactured from high-purity fused silica (SiO₂) material. With excellent UV transmission, low thermal expansion and high laser damage resistance, these lenses provide stable optical performance in demanding optical environments. Chenyu Optics manufactures fused silica spherical lenses uncoated or with UV AR, VIS AR and NIR AR coatings for laser, imaging and spectroscopy systems.
Fused Silica Spherical Lens Overview
Fused Silica Spherical Lenses are precision optical components manufactured from high-purity fused silica (SiO₂) material.
With excellent UV transmission, low thermal expansion and high laser damage resistance, these lenses provide stable optical performance in demanding optical environments. Due to their excellent optical stability and broadband transmission characteristics, fused silica spherical lenses are widely used in laser systems, imaging systems, spectroscopy equipment, optical instruments and precision optical assemblies.
Chenyu Optics supports custom fused silica spherical lens manufacturing according to customer drawings, including custom diameter, radius of curvature, focal length and coating design for prototype and repeat production.
Key Advantages of Fused Silica Spherical Lens
Laser & Spectroscopy Systems
Fused silica spherical lenses are widely used for stable UV and laser optical performance in laser systems, spectroscopy equipment and precision optical assemblies.
Typical Specifications of Fused Silica Spherical Lens
| Material | Fused Silica (SiO₂) |
|---|---|
| Optical Function | Focusing / Imaging / Beam Control |
| Transmission Range | Approx. 0.18 – 2.5 μm |
| Refractive Index | Approx. 1.46 @ 1 μm |
| Thermal Expansion | Low |
| Laser Damage Resistance | High |
| Diameter | Customized |
| Radius of Curvature | Customized |
| Focal Length | Customized |
| Surface Accuracy | λ/10 @ 633 nm |
| Surface Quality | 20-10 / 40-20 scratch-dig |
Lens Geometry & Optical Principle
Why Choose Chenyu Optics for Fused Silica Spherical Lens
Chenyu Optics focuses on drawing-based precision lens manufacturing for UV, laser and spectroscopy optical systems. We support prototype verification, small-batch production and repeat manufacturing for non-standard fused silica spherical lenses.
Manufacturing Capability for Fused Silica Spherical Lens
Precision Spherical Polishing
Precise surface polishing and dimensional control to achieve high optical performance and stability in laser and UV applications.
Optical Coating
UV AR, VIS AR and NIR AR coating options for laser, imaging and spectroscopy applications.
Inspection & Packaging
Dimensional inspection, surface review, precision optical testing and protective packaging before shipment.
Custom Manufacturing Options for Fused Silica Spherical Lens
Dimensions & Curvature
Custom diameter, radius of curvature and focal length can be manufactured according to customer drawings and optical design requirements.
Surface & Optical Quality
Surface accuracy and surface quality can be selected according to optical performance requirements, supported by fused silica's low thermal expansion and high laser damage resistance.
Coating & Wavelength Design
Uncoated, UV AR, VIS AR, NIR AR and custom AR coatings can be specified for laser, imaging or spectroscopy applications.
Fused Silica Lens Material Comparison
| Fused Silica | Optical Glass (BK7) | Sapphire | Calcium Fluoride (CaF₂) | |
|---|---|---|---|---|
| Transmission | UV to NIR, approx. 0.18 – 2.5 μm | Visible to NIR | UV to MWIR, commonly 0.2 – 5.5 μm | UV to MWIR, approx. 0.13 – 8.0 μm |
| Laser Damage Resistance | High | Moderate | Very high | High |
| Thermal Expansion | Low | Moderate | Low | Moderate |
| Typical Use | UV optics, laser systems, spectroscopy | General-purpose visible/NIR optics | Harsh environment, high-power laser optics | UV spectroscopy, excimer laser optics |
Applications of Fused Silica Spherical Lens
Laser Systems
Stable focusing and beam control for laser optical systems.
Laser Focusing & Beam Control
Precision focusing for laser beam control applications.
Imaging Systems
High-clarity imaging for precision optical systems.
Spectroscopy Equipment
Stable UV-to-NIR performance for spectroscopic measurement.
Optical Instruments
Precision lenses for instrument optics.
UV Optical Systems
Reliable UV transmission for ultraviolet optical systems.
Fused Silica Spherical Lens FAQ
Why is fused silica used for spherical lenses?
Fused silica provides excellent UV transmission, low thermal expansion, and high laser damage resistance, making it suitable for precision optical applications.
What wavelength range does a fused silica spherical lens support?
Fused silica typically provides transmission from approximately 0.18–2.5 μm, covering UV, visible, and near-infrared applications.
Are fused silica spherical lenses suitable for laser systems?
Yes. Their low absorption and high laser damage resistance make them widely used in laser optical systems.
Can fused silica spherical lenses be customized?
Yes. Chenyu Optics provides customized diameters, radii, focal lengths, surface quality, and AR coating options.
What information should I provide for a quotation?
Please provide diameter, radius of curvature, focal length, surface accuracy, surface quality, coating requirement, quantity and drawing if available.
Where can I learn more about lens design?
Additional information on lens design can be found from Edmund Optics.
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Need Custom Fused Silica Spherical Lenses?
Send us your drawing, diameter, radius of curvature, focal length and coating requirements. Chenyu Optics will review the optical and mechanical specifications and provide a suitable fused silica spherical lens manufacturing suggestion.