OOIR: Observatory of International Research

Papers

(The H4-Index of Optics and Laser Technology is 62. 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 2021-09-01 to 2025-09-01.)

Article	Citations
Ultra-broadband tunable and switchable multi-wavelength mode-locking Tm-doped all-fiber laser	219
Investigation of the micro-milling process of steel with THz bursts of ultrashort laser pulses	199
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	191
Polarization-independent wide-angle flexible multiband thermal emitters enabled by layered quasi-periodic photonic crystal	156
High-performance multispectral ghost imaging based on the sine–cosine optimized patterns	152
Efficient high-power 1.9 µm picosecond Raman laser in H2-filled hollow-core fiber without generation of rotational lines	139
Regulating absorption loss and carrier injection efficiency in ultraviolet laser diodes by changing waveguide layer structure	134
Verification of wide-angle beam steering based on two- dimensional translation of objective lens, and design of relay optics to improve optical performances	117
Evolution of multiple pulses and pump hysteresis phenomenon in a passively mode-locked Er-doped fiber laser based on an Sb2S3-PVA saturable absorber	116
Enhancing optical transparency of 3D printed PLA parts via multi-response optimization	114
Foucault knife-edge test for the characterization of mid-spatial frequencies to optimize liquid-cooled Nd:Phosphate split-slab amplifiers	114
Mid-infrared self-pulse generation and enhanced pulse compression in Ho3+/Pr3+ co-doped lasers	114
Broad spectral response to photon energy unlimited by Schottky barrier from NiSi/Si junction	114
Improvement on surface quality of Inconel-718 slits via laser cutting and wire electrochemical machining processes	111
Simultaneously tuned ultra-high Q and multimodal resonance in magnetic dipole BIC systems governed by coherent perfect reflection principle	108
Fringe locking system with large phase compensation range for holographic exposure systems with arbitrary recording wavefronts	106
Research on the ablation mechanism and feasibility of UV laser drilling to improve the machining quality of 2.5D SiC/SiC composites	102
An adaptive tracking measurement method for inner surface of laser fusion targets	101
A 3D analytical model to investigate laser-induced shock wave generation in water	101
Nonlinear optimization of optical camera multiparameter via triple integrated Gradient-based optimizer algorithm	101
Laser dressing process monitoring of superabrasive grinding wheel based on spectroscopy	98
Surface morphological evolution and microhardness change of Cr12MoV steel by pulsed laser polishing	96
Direct fabrication of black Si with enhanced infrared transmittance using femtosecond laser irradiation	95
Femtosecond laser fabrication of nanopillar arrays for Surface-Enhanced Raman scattering substrates	93

Actively switchable terahertz Spiral-Shaped metamaterial with programmable performance	92
Morphology-driven spectral extraction method for enhanced liquid–solid transition LIBS detection of heavy metals in water	92
Towards obtaining high-quality surfaces with nanometric finish by femtosecond laser ablation: A case study on coppers	92
Evolution of residual stress and microstructure in single crystal superalloys via directed energy deposition	91
Controlled generation of double-ring-shaped generalized cylindrical vector beams from a YVO4/Nd: YVO4 laser with ring-shaped defect mirror	90
An integrated laser system for manipulating trapped ions qubits	89
Mid-infrared idler-resonant optical vortex parametric oscillator based on MgO:PPLN	86
Evolutionary processes and applications of microfiber resonant Rings: A systematic exploration for sensitivity enhancement	85
Displacement measurement of sub-nanometer resolution using space-domain active fiber cavity ring-down technology	84
Mid-infrared photothermal spectroscopy for breath Nitric Oxide testing with an anti-resonant fiber	84
A new outlier rejection approach for non-Lambertian photometric stereo	83
Ultrashort pulse laser-induced submicron bubbles generation due to the near-surface material modification of soda-lime glass	82
Relaxed-tolerance subwavelength grating coupler	80
Two-dimensional gold decorated indium selenide for near-infrared and mid-infrared ultrafast photonics	79
Electrowetting liquid lens integrating adaptive liquid iris	78
Polymerically modified superparamagnetic iron oxide nanoparticles as a multi-model molecular probe for functionalized optical coherence tomography	77
Tm:GdScO3: A promising crystal for continuous-wave and passively Q-switched laser at 2 μm	77
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	76
Harmonic dichromatic soliton molecules in synchronous mode-locked fiber lasers	74
Bidirectional mode-locked fiber laser based on nonlinear multimode interference	73
Polarization extinction ratio promotion in high-power linearly polarized fiber lasers	73
Distance-multiplexed sensor with metal-dielectric grating composite structure for terahertz sensing enhancement	72
Bidirectional ultrahigh-repetition-rate ultrafast fiber laser	71
Transportation dynamics of dielectric particles with the gradient forces in the field of orthogonal standing laser waves	71
A high Q-factor evanescent field fiber sensor coated with C-MWCNT for label-free HPV determination	71
Extending the operational limit of a cooled spatial light modulator exposed to 200 W average power for holographic picosecond laser materials processing	70
An adaptive optical technique for structured beam generation based on phase retrieval using modified Gerchberg–Saxton algorithm	70
Unveiling the modulation potential: Comparison of MoS2 and MoSe2 as saturable absorbers in ultrafast fiber lasers	70
Zero-absorption-assisted multitask learning for simultaneous measurement of acetylene concentration and gas pressure from overlap-deformed spectra	70
Optical vortices by an adaptive spiral phase plate	68
Optimal process parameter combinations search for desired deposited layer geometry in laser-arc hybrid additive manufacturing based on multi-pass overlapping deposited layer contour prediction model a	68
Planetary laser welding system induced equiaxed and refined grains in 2A12 aluminum alloy weldments	67
Generation of variable light fields by radially polarized chirped circular Airy vortex beams	66
A metasurface processor that supports synchronous operation of analog and digital computing	65
Tunable structured AlGaN-based nanoporous distributed Bragg reflectors for light-coupling enhancement in monolayer MoS2	63
Dispersion characteristics-based asymmetric frequency selective rasorber using spoof surface plasmon polariton mode	63
An intrinsic sensitivity calibration scheme for high temperature measurements using femtosecond point-by-point written fiber Bragg gratings	63
Direct connection of uni-traveling-carrier photodiodes to antennas for frequency reconfigurable fiber-radio transmission in the Ka band	62
Microstructural evolution and mechanical properties of an additively manufactured high-strength steel	62
L-band InAs/InP quantum dash laser spatial OAM light modes classification under smoke environment: An image processing enhanced deep learning approach	62