Holographic 3D imaging through diffuse media by compressive sampling of the mutual intensity

Claas Falldorf; Thorsten Klein; Mostafa Agour; Ralf B. Bergmann

doi:10.1117/12.2265007

15 May 2017 Holographic 3D imaging through diffuse media by compressive sampling of the mutual intensity

Claas Falldorf, Thorsten Klein, Mostafa Agour, Ralf B. Bergmann

Proceedings Volume 10233, Holography: Advances and Modern Trends V; 102330Q (2017) https://doi.org/10.1117/12.2265007
Event: SPIE Optics + Optoelectronics, 2017, Prague, Czech Republic

Abstract

We present a method for holographic imaging through a volume scattering material, which is based on selfreference and light with good spatial but limited temporal coherence. In contrast to existing techniques, we do not require a separate reference wave, thus our approach provides great advantages towards the flexibility of the measurement system. The main applications are remote sensing and investigation of moving objects through gaseous streams, bubbles or foggy water for example. Furthermore, due to the common path nature, the system is also insensitive to mechanical disturbances. The measurement result is a complex amplitude which is comparable to a phase shifted digital hologramm and therefore allows 3D imaging, numerical refocusing and quantitative phase contrast imaging. As an example of application, we present measurements of the quantitative phase contrast of the epidermis of an onion through a volume scattering material.

Citation Download Citation

Claas Falldorf, Thorsten Klein, Mostafa Agour, and Ralf B. Bergmann "Holographic 3D imaging through diffuse media by compressive sampling of the mutual intensity", Proc. SPIE 10233, Holography: Advances and Modern Trends V, 102330Q (15 May 2017); https://doi.org/10.1117/12.2265007

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