Wavefront sensing for the evaluation of high performance focusing optics

May 1, 2026Open Access

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Key Points

This research investigates the use of a scanning Shack-Hartmann wavefront sensor for the automated alignment and testing of high-divergent optical components.
Developed a confocal-chromatic sensor with an adjustable lens for 3D measurement.
Conducted simulations and experiments to characterize measurement volume and resolution.
Addressed alignment issues with a mechatronic system and feedback-controlled positioning.
Characterized a measurement volume of 1.7 × 1.7 × 1 mm3 with a lateral resolution of 24.8 μm and axial resolution of 3 μm.
Demonstrated a fivefold increase in the dynamic range of the Shack-Hartmann sensor without auxiliary optics.
Achieved complete and automated testing of a high-divergent wavefront using suitable registration algorithms.

Examines automated testing of high-performance optical components, indicating innovative assessment methods.

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Martin Ephraim Fürst (2026) studied this question.

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