Extension of refocus depth range in digital holographic microscopy

M Tang, ZY Tang, X Qiao, KQ Lang, Y Sun… - Applied Optics, 2020 - opg.optica.org
Digital holographic microscopy (DHM) suffers from a limited refocus depth range due to the
employed microscope objective. The relationship between the refocus depth range of the …

Influence of Fresnel diffraction on numerical propagation and correction of tilted image planes in digital holographic microscopy

F Schlichthaber, G von Bally… - Optical Micro-and …, 2012 - spiedigitallibrary.org
In order to achieve high resolution quantitative imaging in digital holographic microscopy
(DHM) typically microscope lenses with a high numerical aperture are applied. This results …

Extended depth-of-focus by digital holographic microscopy

T Colomb, N Pavillon, J Kühn, E Cuche… - Optics letters, 2010 - opg.optica.org
A recurrent problem in microscopy is the finite depth-of-focus linked to the NA of microscope
objectives. Digital holographic microscopy (DHM) has the unique feature of being able to …

Long-working-distance synthetic aperture Fresnel off-axis digital holography

P Feng, X Wen, R Lu - Optics express, 2009 - opg.optica.org
An aperture synthesis approach of digital holography for microscopy imaging at long
working distance is proposed. Firstly, for an oblique object, a series of Fresnel off-axis …

Study of spatial lateral resolution in off-axis digital holographic microscopy

A Doblas, E Sánchez-Ortiga, M Martínez-Corral… - Optics …, 2015 - Elsevier
The lateral resolution in digital holographic microscopy (DHM) has been widely studied in
terms of both recording and reconstruction parameters. Although it is understood that once …

Autofocusing and resolution enhancement in digital holographic microscopy by using speckle-illumination

J Zheng, G Pedrini, P Gao, B Yao, W Osten - Journal of Optics, 2015 - iopscience.iop.org
Sequential speckle illumination has been incorporated into digital holographic microscopy
(DHM) for autofocusing and resolution enhancement. For autofocusing, the image plane is …

Digital holographic microscopy with phase-shift-free structured illumination

J Zheng, P Gao, B Yao, T Ye, M Lei, J Min… - Photonics …, 2014 - opg.optica.org
When structured illumination is used in digital holographic microscopy (DHM), each
direction of the illumination fringe is required to be shifted at least three times to perform the …

Confocal scheme to compensate for defocus aberration in digital holographic microscopy

CC Chang, WT Hsieh, GL Chen… - Japanese Journal of …, 2009 - iopscience.iop.org
A confocal setup configuration is herein introduced to experimentally compensate for the
defocus aberration due to the micro-objective lens in off-axis digital holographic microscopy …

Opposite-view digital holographic microscopy with autofocusing capability

J Zheng, P Gao, X Shao - Scientific reports, 2017 - nature.com
Digital holographic microscopy (DHM) has its intrinsic ability to refocusing a sample by
numerically propagating an object wave from its hologram plane to its image plane. In this …

Latest advances in single and multiwavelength digital holography and holographic microscopy

G Nehmetallah, L Williams… - Augmented reality and its …, 2020 - books.google.com
In this Chapter, we discuss the latest advances in digital holography (DH) and digital
holographic microscopy (DHM). Specifically, we study the different setup configurations such …