LightPath Gradium Axial GRIN Plano-Convex Lens

This is a high-performance piece: the gradient allows near-aspheric spot quality in a simple singlet – excellent for tight focusing without additional elements.

Description:

Premium Gradium® axial gradient-index plano-convex singlet from LightPath Technologies – renowned for aspheric-like performance through proprietary refractive index profiling along the optical axis.

Gradium lenses feature a controlled axial refractive index gradient (index changes smoothly along the optical axis) that provides superior spherical aberration correction in a single element – performance approaching an aspheric lens or even a simple achromat, but in a simpler, more compact form.

Key Specifications:

• Lens Type: Plano-convex singlet with axial gradient index (no cement, monolithic)

• Diameter: 50 mm

• Effective Focal Length: 150 mm (f/3)

• Edge Thickness: 5 mm

• Design: Monolithic PCX with axial GRIN (outstanding spherical aberration control)

• Material: Gradium glass (profile .031: this is the specific Gradium profile code – LightPath used numeric designations like this for the strength/shape of the axial refractive index gradient, e.g., delta n ≈ 0.031).

• Coatings: Broadband AR low-loss multi-layer coating) (visible/NIR optimized)

• Condition: Mint/perfect surplus – pristine flawless surfaces

Delivers sharp, diffraction-limited focusing/collimation far superior to standard homogeneous singlets.

Applications:

• Precision laser beam focusing/collimation (visible/NIR diodes, HeNe, harmonics) with near-diffraction-limited spots.

• Fiber coupling or beam shaping with minimal aberration

• Compact imaging systems needing compact color/spherical correction. sensors, or microscopy

• Scientific R&D – classic LightPath Gradium innovation in Spectroscopy, microscopy objectives, or sensor coupling.