Fused Silica Ball Lenses

GELINDE Optical has rich experience in processing ball lenses made from optical fused silica. We supply fused silica materials including China JGS1, JGS2, JGS3, as well as Corning 7980, 7971, 7979, 8655, Nikon SK1300, and Shin-Etsu P700, P248C.

The optical performance of fused silica glass possesses unique characteristics: it not only transmits far ultraviolet light effectively but is also among the best materials for ultraviolet transmission, capable of transmitting visible light and near-infrared spectra. Fused silica glass exhibits advantages such as high temperature resistance, low thermal expansion coefficient, good chemical stability, absence of bubbles, striae, uniformity, and birefringence, making it an optically stable material in various adverse conditions.

FAQ About Fused Silica Ball Lenses

What considerations are necessary when using Fused Silica Ball Lenses in harsh environments, such as space or deep-sea applications?

In harsh environments, Fused Silica Ball Lenses must withstand extreme temperatures, pressure variations, and potential exposure to corrosive elements. Fused Silica’s high chemical resistance and low thermal expansion make it well-suited for these conditions, though additional protective measures, such as coatings or specialized housings, may be required to ensure long-term durability.

What role does surface finish play in the performance of Fused Silica Ball Lenses for ultraviolet (UV) and deep ultraviolet (DUV) applications?

Surface finish is critical in UV and DUV applications, where even minor surface imperfections can scatter short-wavelength light, reducing transmission efficiency. High-quality polishing that achieves low surface roughness (typically below 1 nm RMS) is essential to maintain optimal optical performance in these applications.

How do the mechanical properties of Fused Silica compare to other optical materials in terms of resistance to mechanical shock and vibration?

Fused Silica is renowned for its hardness and exceptional resistance to mechanical wear, making it highly resistant to scratches and surface damage. However, it is more brittle compared to materials like BK7 glass. Consequently, in environments subject to significant mechanical shock or vibration, meticulous handling and secure mounting are crucial to prevent fractures.

What factors influence the wavelength dispersion characteristics of Fused Silica Ball Lenses, and how can these be managed in multi-wavelength systems?

Fused Silica has low dispersion, meaning it causes minimal separation of light into its component wavelengths. However, in multi-wavelength systems, even small dispersion can lead to chromatic aberration. Achromatic lens designs or supplementary corrective optics are often employed to ensure consistent focus across the entire wavelength range.

How do purity levels of the Fused Silica material affect the performance of Ball Lenses in high-energy laser applications?

The purity of Fused Silica is crucial in high-energy laser applications, where impurities can absorb laser energy, leading to localized heating, material damage, or even lens failure. High-purity Fused Silica, with minimal metallic impurities and hydroxyl content, is essential to achieve the high laser damage thresholds required in such demanding applications.

Related Products

> JGS-1 Fused Silica Ball Lenses

> JGS-2 Fused Silica Ball Lenses

> JGS-3 Fused Silica Ball Lenses