OOIR: Observatory of International Research

Papers

(The H4-Index of Optics and Lasers in Engineering is 39. The table below lists those papers that are above that threshold based on CrossRef citation counts [max. 250 papers]. The publications cover those that have been published in the past four years, i.e., from 2021-11-01 to 2025-11-01.)

Article	Citations
Self-assembling of PDMS microlens arrays through pyro-EHD for real-time 3D microscopy	150
Absolute detection method based on multi-signal phase extraction and separation	124
Editorial Board	109
Editorial Board	105
Interferometric method for simultaneous characterization of retardance and fast axis of a retarder	98
Telecom-band high contrast narrowband metalens for 3D imaging	85
Ultra high power laser cutting of 1-m reinforced concrete with gravity	83
Novel fabrication and designs for hybrid optical elements with wider angle field of view by using integrated direct laser lithographic system	76
Speckle-noise filtering based on non-local mean sparse principal component analysis method	75
Zero-power optical convolutional neural network using incoherent light	73
Multi-planar low-coherence diffraction imaging	70
Editorial Board	59
Multi-pitch nano-accuracy surface profiler for strongly curved X-ray mirror metrology	59
Ophthalmic fundus camera design based on freeform surface for reducing refractive error sensitivity	57
Polarized light vision pose measurement method by fusing the constraints provided between control points for hand-eye calibration	55
Fast physic-informed mixer architecture for color Lensfree holographic reconstruction	53
Terahertz compressed sensing imaging based on line array detection	52
A novel temperature-strain synchronous measurement method	52
High precision and sensitivity detection of gas measurement by laser wavelength modulation spectroscopy implementing an optical fringe noise suppression method	51
High-SNR 3D dark-field microscopy based on orbital angular momentum extraction	50
Design of a three-channel pixelated phase mask and single-frame phase extraction technique	50
Iteration of B-spline surface based deflectometric method for discontinuous specular surface	48
A novel method to calibrate the rotation axis of a line-structured light 3-dimensional measurement system	48
Transverse dynamical response of laser frequency-shifted feedback with mode mismatch	48
Non-line-of-sight imaging and location determination using deep learning	46

Improvement of a Doppler simulator in optical performance	45
High-frequency sinusoidal structured light generation with the anti-blaze condition of a digital micromirror device	45
High-speed single-shot multiplane phase retrieval using quadratic distorted gratings for coherent diffraction imaging	44
Self-compensation three-wavelength demodulation method for the large phase extraction of extrinsic Fabry–Pérot interferometric sensors	43
Vortex spatial phase-shifting digital microscopic holography based on pixel traversal	42
Hyperspectral vision beyond 3D: A review	41
Shape from focus using gradient of focus measure curve	40
High-speed road sign detection scheme based on ultrafast single-pixel scanning LiDAR	40
Combined wide-field Mueller matrix polarimetry and PS-OCT for rapid polarization imaging of biological samples	40
SSSAT-Net: Spectral-Spatial Self-Attention-Based Transformer Network for hyperspectral image classification	40
Underwater optical image enhancement via an unsupervised contrastive learning-guided diffusion model	39
Multiple sub-holograms optimization for holographic near-eye display based on holographic viewing-window	39
Experimental study on infrared non-destructive testing technology for GFRP panels based on short pulse excitation	39
Efficient multi-objective design method for optical coatings	39