Three-Dimensional Holography with “Lensless” Fourier-Transform Holograms and Coarse P/N Polaroid Film*

Stroke, George W.; Brumm, D.; Funkhouser, A.

doi:10.1364/josa.55.001327

Cited by 35 publications

(5 citation statements)

References 6 publications

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“…Very impressive results have been obtained in a number of variations of the basic wavefront-reconstruction imaging arrangement Upatnieks 1963, 1964;Leith, Upatnieks and Haines 1965;Stroke 1964Stroke , 1965aStroke andFalconer 1964, 1965;Stroke and Funkhouser 1965 ;Stroke, Brumm and Funkhouser 1965). Fundamentally, we showed that it was possible to reconstruct the complex-amplitude distribution in the field originating from a scattering object by forming a hologram, i.e.…”

mentioning

confidence: 65%

On a Basis of the Product of Varieties of Groups

Kleĭman¹

1973

Math. USSR Izv.

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mentioning

confidence: 65%

On a Basis of the Product of Varieties of Groups

Kleĭman¹

1973

Math. USSR Izv.

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“…Many wavefront reconstruction methods have been proposed, modified, and optimized in the last decades, [154] with the most relevant for this work being the in-line Gabor hologram, the off-axis Leith-Upatnieks hologram, [155][156][157] and the Fourier holograms. [158][159][160] To outline the general idea behind wavefront reconstruction a simplified theoretical description of the in-line holograms will be given, thanks to the easiness of the method.…”

Section: Wavefront Retrieval Methodsmentioning

confidence: 99%

Recent Advances on High‐Speed and Holographic Two‐Photon Direct Laser Writing

Balena

Bianco

Pisanello

et al. 2023

Adv Funct Materials

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Two‐Photon Lithography, thanks to its very high sub‐diffraction resolution, has become the lithographic technique par excellence in applications requiring small feature sizes and complex 3D pattering. Despite this, the fabrication times required for extended structures remain much longer than those of other competing techniques (UV mask lithography, nanoimprinting, etc.). Its low throughput prevents its wide adoption in industrial applications. To increase it, over the years different solutions have been proposed, although their usage is difficult to generalize and may be limited depending on the specific application. A promising strategy to further increase the throughput of Two‐Photon Lithography, opening a concrete window for its adoption in industry, lies in its combination with holography approaches: in this way it is possible to generate dozens of foci from a single laser beam, thus parallelizing the fabrication of periodic structures, or to engineer the intensity distribution on the writing plane in a complex way, obtaining 3D microstructures with a single exposure. Here, the fundamental concepts behind high‐speed Two‐Photon Lithography and its combination with holography are discussed, and the literary production of recent years that exploits such techniques is reviewed, and contextualized according to the topic covered.

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“…The linear retrieval approach of Martin & Allen (2008) uses generalized holography to reconstruct the wave at the exit surface of the specimen from its autocorrelation. In conventional holography, the unknown exit surface wave is interfered with a separate reference wave: a pinhole for Fourier holography (Stroke et al, 1965), or a plane wave for off-axis holography (Leith & Upatnieks, 1962). In the generalization by Martin and Allen, the unscattered part of the illumination is used as an effective reference wave.…”

Section: Methodsmentioning

confidence: 99%

Fast Deterministic Ptychographic Imaging Using X-Rays

et al. 2014

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We present a deterministic approach to the ptychographic retrieval of the wave at the exit surface of a specimen of condensed matter illuminated by X-rays. The method is based on the solution of an overdetermined set of linear equations, and is robust to measurement noise. The set of linear equations is efficiently solved using the conjugate gradient least-squares method implemented using fast Fourier transforms. The method is demonstrated using a data set obtained from a gold-chromium nanostructured test object. It is shown that the transmission function retrieved by this linear method is quantitatively comparable with established methods of ptychography, with a large decrease in computational time, and is thus a good candidate for real-time reconstruction.

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Three-Dimensional Holography with “Lensless” Fourier-Transform Holograms and Coarse P/N Polaroid Film*

Cited by 35 publications

References 6 publications

On a Basis of the Product of Varieties of Groups

On a Basis of the Product of Varieties of Groups

Recent Advances on High‐Speed and Holographic Two‐Photon Direct Laser Writing

Fast Deterministic Ptychographic Imaging Using X-Rays

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