Optical Bi-Convex Lenses | High Transparency Glass Lenses for Focus & Collimation X-P25D2M19301
The Bi-Convex Lens (JGS2, Ø80mm, EFL 100mm) is a high-precision optical component designed for focusing and collimating light in imaging, laser, and optical instrument applications. Made from premium JGS2 fused silica this lens offers excellent UV–NIR transmission, high surface quality, and outstanding durability for both research and industrial use. Ideal for optical systems requiring superior clarity and minimal aberration. Material: JGS2 (UV Grade Fused Silica) Diameter: 80 mm Effective Focal Length (EFL): 100 mm A bi-convex lens, also known as a double convex optical lens, is a type of precision glass optic that features two outward-curved surfaces. This optical focusing lens bends light rays toward a common focal point, delivering excellent convergence and clarity. People Also Ask Q1: What is the main function of a bi-convex optical lens? It converges parallel light rays to a single focal point, enabling clear focusing and image formation in optical assemblies. Q2: How does a double convex lens differ from a plano-convex lens? A double convex lens has two curved surfaces, offering stronger focusing power and lower optical aberration in symmetrical light paths. Q3: Can fused silica convex lenses be used for UV applications? Yes. JGS2 fused silica features excellent UV transparency down to 200 nm, making it ideal for UV imaging and spectroscopy.
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Overview
Specifications
| Parameter | Value |
|---|---|
| Material | JGS2 (UV-grade fused silica) |
| Diameter | 80 mm |
| Effective Focal Length EFL | 100 mm |
| Optical Type | Bi-Convex / Double Convex Lens |
| Refractive Index n_d | 1.4585 |
| Surface Quality | 40-20 Scratch-Dig |
| Wavelength Range | 200–2200 nm |
| Coating Options | Uncoated / AR coating available |
| Dimensional Tolerance | ±0.1 mm diameter / ±1% focal length |
| Thermal Resistance [JGS2 material] | Up to 800 °C (JGS2 material) |
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Key Features
Datasheet
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