Shock-wave tolerant phase reconstruction algorithm for Shack-Hartmann wavefront sensor data

被引：3

作者：

DeFoor, Thomas E. ^{[1
]}

Kalensky, Matthew ^{[2
]}

Kemnetz, Matthew R. ^{[3
]}

Bukowski, Timothy J. ^{[2
]}

Spencer, Mark F. ^{[4
]}

机构：

[1] Ohio State Univ, Coll Engn, Columbus, OH 43210 USA

[2] US Navy, Integrated Engagement Syst Dept, Surface Warfare Ctr Dahlgren Div, Dahlgren, VA USA

[3] US Air Force, Res Lab, Directed Energy Directorate, Kirtland AFB, NM USA

[4] US Air Force, Inst Technol, Wright Patterson AFB, OH USA

来源：

OPTICAL ENGINEERING | 2023年 / 62卷 / 12期

关键词：

aero-optics; aero-effects; shock waves; wavefront sensing; Shack-Hartmann wavefront sensor; phase discontinuities;

D O I：

10.1117/1.OE.62.12.123103

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We develop a phase reconstruction algorithm for the Shack-Hartmann wavefront sensor (SHWFS) that is tolerant to phase discontinuities, such as the ones imposed by shock waves. In practice, this algorithm identifies SHWFS locations where the resultant tilt information is affected by the shock and improves the tilt information in these locations using the local SHWFS observation-plane irradiance patterns. The algorithm was shown to work well over the range of conditions tested with both simulated and experimental data. In turn, the reconstruction algorithm will enable robust wavefront sensing in transonic, supersonic, and hypersonic environments.

引用

页数：11

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