Celia Sagastume

I'm a Vision Science PhD Student at the University of Waterloo, working with Austin Roorda at the RoordaLab. My focus is Surface Relief Gratings for Augmented Reality wearables, and Adaptive Optics for the next generation of retinal based research.

Vision Science, University of Waterloo Roorda Lab

See the work About me

Now

Full timeline →

2026-10-28

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Qualified to use the AJA ion mill at QNFCF.
2026-10-27

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Qualified to use the Angstrom e-beam at QNFCF.
2026-10-19

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Qualified to use the RAITH150 Two 30 kV direct-write electron beam lithography system at QNFCF.
2026-10-13

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Qualified for dicing saw operation at QNFCF.

Selected work

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$Multi-pupil summary report: per pupil size, the Shack–Hartmann centroid fit, refraction and Strehl values, a Zernike bar chart, the PSF, and the moon convolved with that PSF. Best-Strehl row highlighted in blue.$

Summer 2026 complete

Live Wavefront Aberration Reporting

Turns a Shack–Hartmann measurement into a report a person can read — Zernike terms, PSF, Strehl across pupil sizes, and the moon as that eye actually sees it.

adaptive-optics wavefront-sensing software instrumentation python