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Hyperspectral Shack-Hartmann test.

Gabriel C Birch¹, Michael R Descour, Tomasz S Tkaczyk

¹College of Optical Sciences, University of Arizona, 1630 East University Boulevard, Tucson, Arizona 85721, USA. gcb@email.arizona.edu

|October 2, 2010

Summary

This summary is machine-generated.

A new hyperspectral Shack-Hartmann test bed accurately measures chromatic focal shift in miniature optics. This technology is crucial for developing advanced all-polymer endomicroscopes for broadband imaging.

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Area of Science:

Optical engineering
Microscopy instrumentation

Background:

Developing broadband achromatized all-polymer endomicroscopes requires precise characterization of miniature optics.
Chromatic focal shift (CFS) is a critical performance parameter for optical elements across a wide spectral range.

Purpose of the Study:

To develop and validate a hyperspectral Shack-Hartmann test bed for characterizing miniature optics.
To measure the chromatic focal shift (CFS) of glass singlet and achromatic lenses as benchmarks for polymer elements.

Main Methods:

A hyperspectral Shack-Hartmann test bed was constructed to measure optical performance.
Glass lenses were tested across the 500-700 nm spectral range in controlled steps.
Experimental results were compared with ZEMAX modeling predictions.

Main Results:

The hyperspectral Shack-Hartmann test bed demonstrated high accuracy, with experimental results closely matching ZEMAX model predictions.
Maximum errors were 12 micrometers for a singlet lens and 5 micrometers for an achromatic triplet lens.
The test bed effectively characterized CFS across the tested spectral range.

Conclusions:

The developed hyperspectral Shack-Hartmann test bed is a reliable tool for characterizing miniature optics.
This technology is essential for the advancement of broadband achromatized all-polymer endomicroscopes.
Future applications include aberration measurement and characterization of plastic endomicroscope components.