A generalized approach for digital holographic recording and reconstruction

Brad Bazow; Thuc Phan; Thanh Nguyen; Christopher B. Raub; George Nehmetallah

doi:10.1117/12.2557537

21 April 2020 A generalized approach for digital holographic recording and reconstruction

Brad Bazow, Thuc Phan, Thanh Nguyen, Christopher B. Raub, George Nehmetallah

Proceedings Volume 11396, Computational Imaging V; 113960S (2020) https://doi.org/10.1117/12.2557537
Event: SPIE Defense + Commercial Sensing, 2020, Online Only

Abstract

In recent years, research efforts in the field of digital holography have expanded significantly, due to the ability to obtain high resolution intensity and phase images. The information contained in these images have become of great interest to the machine learning community, with applications spanning a wide portfolio of research areas including bioengineering. In this work, we seek to demonstrate a high fidelity simulation of holographic recording. By accurately representing diffraction, aberrations, and speckle introduced via propagation of a coherent light source through a series of optical elements and the object itself, we will accurately predict the optical interference of the object and reference wave at the recording plane. We will show that the optical transformation that predicts the complex field at the recording plane can be generalized for arbitrary holographic recording configurations using matrix optics. In addition, we will provide a detailed description of digital phase reconstruction and aberration compensation, for a variety of off-axis holographic configurations. Reconstruction errors will be presented for the various holographic recording geometries and complex field objects. The generalized holographic simulation described in this work will seek to motivate using the reconstruction of the simulated holograms to populate a database which can be used to train machine learning algorithms aimed at classifying relevant objects recorded through a variety of holographic setups.

Conference Presentation

Citation Download Citation

Brad Bazow, Thuc Phan, Thanh Nguyen, Christopher B. Raub, and George Nehmetallah "A generalized approach for digital holographic recording and reconstruction", Proc. SPIE 11396, Computational Imaging V, 113960S (21 April 2020); https://doi.org/10.1117/12.2557537

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