OOIR: Observatory of International Research

Papers

(The H4-Index of Optics and Laser Technology is 64. 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 2021-08-01 to 2025-08-01.)

Article	Citations
Ultra-broadband tunable and switchable multi-wavelength mode-locking Tm-doped all-fiber laser	385
Investigation of the micro-milling process of steel with THz bursts of ultrashort laser pulses	213
Vortex phase filtering in flow field diagnosis: Realizing high-speed visualization and quantitative measurement	191
Laser polarization imaging method based on frequency-shifted optical feedback	190
Polarization-independent wide-angle flexible multiband thermal emitters enabled by layered quasi-periodic photonic crystal	185
High-performance multispectral ghost imaging based on the sine–cosine optimized patterns	148
Efficient high-power 1.9 µm picosecond Raman laser in H2-filled hollow-core fiber without generation of rotational lines	145
Regulating absorption loss and carrier injection efficiency in ultraviolet laser diodes by changing waveguide layer structure	139
Verification of wide-angle beam steering based on two- dimensional translation of objective lens, and design of relay optics to improve optical performances	131
Evolution of multiple pulses and pump hysteresis phenomenon in a passively mode-locked Er-doped fiber laser based on an Sb2S3-PVA saturable absorber	115
Foucault knife-edge test for the characterization of mid-spatial frequencies to optimize liquid-cooled Nd:Phosphate split-slab amplifiers	114
Broad spectral response to photon energy unlimited by Schottky barrier from NiSi/Si junction	114
Enhancing optical transparency of 3D printed PLA parts via multi-response optimization	113
Mid-infrared self-pulse generation and enhanced pulse compression in Ho3+/Pr3+ co-doped lasers	113
Improvement on surface quality of Inconel-718 slits via laser cutting and wire electrochemical machining processes	113
Simultaneously tuned ultra-high Q and multimodal resonance in magnetic dipole BIC systems governed by coherent perfect reflection principle	106
Fringe locking system with large phase compensation range for holographic exposure systems with arbitrary recording wavefronts	105
Flat-top beam shaping and optimization based on a single aspheric lens	104
Research on the ablation mechanism and feasibility of UV laser drilling to improve the machining quality of 2.5D SiC/SiC composites	102
Nonlinear optimization of optical camera multiparameter via triple integrated Gradient-based optimizer algorithm	101
An adaptive tracking measurement method for inner surface of laser fusion targets	100
A 3D analytical model to investigate laser-induced shock wave generation in water	99
Regular mode-hopping dynamics in Erbium-doped ring fiber laser with saturable absorber	98
Analysis of various soliton pulsation spectro-temporal dynamics in anomalous dispersion fiber laser	96
Dynamically tunable photonic spin Hall effect based on insulating-metallic phase transition of Vanadium Dioxide	96

Laser dressing process monitoring of superabrasive grinding wheel based on spectroscopy	95
A tunable and compact footprint plasmonic metasurface integrated graphene photodetector using modified omega-shaped nanoantennas	94
Light origami multi-beam interference digital holographic microscope for live cell imaging	93
Surface morphological evolution and microhardness change of Cr12MoV steel by pulsed laser polishing	92
Direct fabrication of black Si with enhanced infrared transmittance using femtosecond laser irradiation	91
Towards obtaining high-quality surfaces with nanometric finish by femtosecond laser ablation: A case study on coppers	90
Actively switchable terahertz Spiral-Shaped metamaterial with programmable performance	90
Femtosecond laser fabrication of nanopillar arrays for Surface-Enhanced Raman scattering substrates	90
Morphology-driven spectral extraction method for enhanced liquid–solid transition LIBS detection of heavy metals in water	87
Controlled generation of double-ring-shaped generalized cylindrical vector beams from a YVO4/Nd: YVO4 laser with ring-shaped defect mirror	84
Evolution of residual stress and microstructure in single crystal superalloys via directed energy deposition	84
An integrated laser system for manipulating trapped ions qubits	82
Mechanical properties and fracture behaviors in remote laser spot welding of quenching and partitioning 980 steel	80
Lipid-coated hetero-core optical fiber sensor for wide-range chemical detection	80
Mid-infrared idler-resonant optical vortex parametric oscillator based on MgO:PPLN	79
Evolutionary processes and applications of microfiber resonant Rings: A systematic exploration for sensitivity enhancement	78
Displacement measurement of sub-nanometer resolution using space-domain active fiber cavity ring-down technology	77
Mid-infrared photothermal spectroscopy for breath Nitric Oxide testing with an anti-resonant fiber	77
Research and application of femtosecond laser processing of SERS substrate structure	76
A new outlier rejection approach for non-Lambertian photometric stereo	74
Ultrashort pulse laser-induced submicron bubbles generation due to the near-surface material modification of soda-lime glass	72
Two-dimensional gold decorated indium selenide for near-infrared and mid-infrared ultrafast photonics	72
Relaxed-tolerance subwavelength grating coupler	72
Electrowetting liquid lens integrating adaptive liquid iris	71
Mechanism in damage variation of nanosecond laser-induced damage of germanium sheets in vacuum	71
Tm:GdScO3: A promising crystal for continuous-wave and passively Q-switched laser at 2 μm	71
Vector magnetic field measurement based on magnetic fluid and high-order cladding-mode Bragg grating	71
Polymerically modified superparamagnetic iron oxide nanoparticles as a multi-model molecular probe for functionalized optical coherence tomography	71
Analysis of the impact of DFB analog direct modulation laser and optical link configuration on the performance of a 50 km spool fiber phase-stabilized transmission system	70
Harmonic dichromatic soliton molecules in synchronous mode-locked fiber lasers	69
Semi-differential 2-step phase-shifting Fourier single-pixel imaging	69
Polarization extinction ratio promotion in high-power linearly polarized fiber lasers	68
Enhancing the tribological properties of TA1 pure titanium by modulating the energy of pulsed laser nitriding	68
Broadband light trapping in perovskite solar cells: Optimization and enhancement through exploiting multi-resonant Mie resonators	67
The ablation threshold and incubation effect in picosecond laser surface treatment of CFRP	67
Bidirectional mode-locked fiber laser based on nonlinear multimode interference	66
Experimental and numerical modelling of picosecond laser ablation of thin aluminium Polyethylene Terephthalate (PET) films	65
Multi-point laser-induced ignition of air-methane mixtures by a high peak-power passively Q-switched Nd:YAG/Cr4+:YAG laser	64
High efficiency deep ultraviolet micro-LED and optical fiber coupling for low power charge management applications	64
Single-track investigation of additively manufactured mold steel with larger layer thickness processing: Track morphology, melt pool characteristics and defects	64