Multiplexed, multi-wavelength 3D digital holographic imaging methods with range unwrapping

Matthias T. Banet; Anand Idris; James R. Fienup

doi:10.1117/12.2676428

3 October 2023 Multiplexed, multi-wavelength 3D digital holographic imaging methods with range unwrapping

Matthias T. Banet, Anand Idris, James R. Fienup

Proceedings Volume 12693, Unconventional Imaging, Sensing, and Adaptive Optics 2023; 1269304 (2023) https://doi.org/10.1117/12.2676428
Event: SPIE Optical Engineering + Applications, 2023, San Diego, California, United States

Abstract

Multi-wavelength digital holography is an imaging modality by which one collects multiple 2D coherent images of an object with different illumination wavelengths and digitally processes them in order to obtain a 3D coherent image. For conventional 3D imaging, the image formation process requires a fixed-phase relationship between the 2D coherent images, and, as such, object motion and/or vibration between 2D image collections can prevent the formation of a 3D image. One previously studied method compensates for object motion through the use of a second illumination frequency, or pilot tone. In this paper, we explore two altered 3D imaging modalities, dual-tone 3D imaging and stairstep 3D imaging, both of which, like pilot-tone 3D imaging, make use of holographic multiplexing. We compare conventional, pilot-tone, dual-tone, and stairstep 3D imaging in simulation. The results indicate that the stairstep approach offers the best performance for range imaging overall. Additionally, we employed a range unwrapping algorithm to unwrap ranges images for the modalities studied here. The results show that range unwrapping is usually successful if the measured discontinuities in the range dimension are no larger than half the range ambiguity interval.

Conference Presentation

(2023) Published by SPIE. Downloading of the abstract is permitted for personal use only.

Citation Download Citation

Matthias T. Banet, Anand Idris, and James R. Fienup "Multiplexed, multi-wavelength 3D digital holographic imaging methods with range unwrapping", Proc. SPIE 12693, Unconventional Imaging, Sensing, and Adaptive Optics 2023, 1269304 (3 October 2023); https://doi.org/10.1117/12.2676428

ACCESS THE FULL ARTICLE

INSTITUTIONAL
Select your institution to access the SPIE Digital Library.

SELECT YOUR INSTITUTION

PERSONAL
Sign in with your SPIE account to access your personal subscriptions or to use specific features such as save to my library, sign up for alerts, save searches, etc.

PERSONAL SIGN IN

No SPIE Account? Create one

PURCHASE THIS CONTENT

SUBSCRIBE TO DIGITAL LIBRARY

50 downloads per 1-year subscription

Members: $195

Non-members: $335 ADD TO CART

25 downloads per 1 - year subscription

Members: $145

Non-members: $250 ADD TO CART

PURCHASE SINGLE ARTICLE

Includes PDF, HTML & Video, when available