Caustic networks with customized intensity statistics

P Menz, A Zannotti, C Denz, J Imbrock - Optics Express, 2023 - opg.optica.org
Controlling random light is a key enabling technology that pioneered statistical imaging
methods like speckle microscopy. Such low-intensity illumination is especially useful for bio …

Computational ghost imaging with spatiotemporal encoding pseudo-random binary patterns

Z Ye, HC Liu, J Xiong - Optics Express, 2020 - opg.optica.org
Computational ghost imaging (CGI) can reconstruct the pixelated image of a target without
lenses and image sensors. In almost all spatial CGI systems using various patterns reported …

Photon-noise: is a single-pixel camera better than point scanning? A signal-to-noise ratio analysis for Hadamard and Cosine positive modulation

C Scotté, F Galland, H Rigneault - Journal of Physics: Photonics, 2023 - iopscience.iop.org
In a single-pixel camera, an unknown object is sequentially illuminated by intensity patterns.
The total reflected or transmitted intensity is summed in a single-pixel detector from which …

Compressed sensing in the far-field of the spatial light modulator in high noise conditions

A Kallepalli, J Innes, MJ Padgett - Scientific Reports, 2021 - nature.com
Single-pixel imaging techniques as an alternative to focal-plane detector arrays are being
widely investigated. The interest in these single-pixel techniques is partly their compatibility …

Extending the depth-of-field of computational ghost imaging: Computational refocus via in situ point spread function estimation

M Ma, W Liang, F Qin, Q Guan, X Zhong… - Applied Physics …, 2024 - pubs.aip.org
Capturing details of objects beyond the focal plane is challenging due to the limited depth-of-
field (DoF) of optical systems. Here, we report a computational refocusing ghost Imaging …

A general conformal framework for regular cusp beams

G Ruffato, S Brunetta, H Kobayashi - Optics Communications, 2022 - Elsevier
In the last decades, structured optics unveiled a vast diversity of spatial modes and
configurations to customize optical beams, in combination with a rich portfolio of techniques …

Spatial resolution limit of single pixel imaging of complex light fields

D Scheidt, PA Quinto-Su - Optics Letters, 2024 - opg.optica.org
Complex light fields with arbitrary amplitudes and phases can be measured by sampling
them with an orthogonal basis (ie, canonical, Hadamard) and performing single pixel …

Patterns for all-digital quantum ghost imaging generated by the Ising model

H Oliaei-Moghadam, C Moodley… - Optics & Laser …, 2023 - Elsevier
We present new illumination patterns for imaging in all-digital quantum ghost imaging (GI)
systems. The digital patterns, written as computer generated holograms on spatial light …

Optimization based on the condition number of the speckle patterns in single-pixel imaging using optical phased arrays

S Emara, T Fukui, K Komatsu, Y Kohno… - Japanese Journal of …, 2021 - iopscience.iop.org
Single-pixel imaging provides numerous advantages over the conventional pixelated-array
imaging as it paved the way to operate at a wider range of wavelengths. Optical phased …

Roulette caustics in transformation optics of structured light beams

G Ruffato, H Kobayashi - Optics Communications, 2021 - Elsevier
The generation, manipulation, and detection of beams carrying orbital angular momentum
(OAM) have acquired paramount importance in a wide range of applications, from imaging …