Fresnel lens: 3D Stylus Profilometry

3D Profilometry of Fresnel Lens Surface
3D Profilometry of Fresnel Lens Surface

Fresnel Lens
Fresnel Lens

Description:
Fresnel lenses give high power (large aperture, short focal length) solutions and are substantially thinner than equivalent performance conventional lenses. They have been traditionally used in low cost applications. Minaturisation and improvements in repeatability, specifications and surface finish enable Fresnel lenses to be used in next generation solar energy systems. Both stylus and optical techniques can be applied for lens characterisation. In this example, critical dimensions such as slope angles, radii, pitch and depth are determined using 3D stylus profilometry.

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CEMMNT offer world leading measurement and characterisation services, analysis and expertise across multiple industry sectors, offering clients a cost-effective, fast-turn around service whilst utilising state-of-the-art equipment, techniques and facilities.

Industry Sectors:
Automotive, Optics

Techniques:
Stylus Profilometry

Keywords:
optical, profilometry stylus profilometry, fresnel lens