OOIR: Observatory of International Research

Papers

(The H4-Index of Optical Materials Express is 33. 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
Study on the mechanically exfoliated graphene saturable absorption dependence on the number of layers and its influence on passive mode-locking erbium-doped fiber laser dynamics	90
Optical glass and optical design: Otto Schott´s role in the entangled development	81
Thermal characterization of a nematic liquid crystal suited for the fabrication of NIR spectrally-tunable vertical cavity surface emitting lasers	77
Trapping-induced quantum beats in a van-der-Waals heterostructure microcavity observed by two-dimensional micro-spectroscopy	71
Design of cost-effective environment-responsive nanoacoustic devices based on mesoporous thin films	67
Non-monotonic effect of growth pressure on the responsivity of AlGaN ultraviolet Schottky detectors	65
Universality of open microcavities for strong light-matter coupling	64
Thermal analysis of the laser-induced thermal deformation of a diffractive optical element in a single-aperture coherent beam combining system	64
Random laser emission from dye-doped gain media with optically trapped scattering particles	59
High refractive index change in Type A laser modification using a multi-scan approach	59
Improvement of a capacitive UV-sensor by porous silicon powders embedded in epoxy on porous silicon film	54
Temporal negative refraction [Invited]	52
Spectroscopic properties of Er:La_0.5Gd_1.5Si₂O₇ crystal with broad 1.5-1.6 μm gain band	52
Chiral phonons and the magneto-optical Raman effect in kagome lattice semiconductor Nb₃Cl₈	51
Light trapping using a dimer of spherical nanoparticles based on titanium nitride for plasmonic solar cells	49
Anchoring and electro-optic switching of liquid crystals on nano-structured surfaces fabricated by two-photon based nano-printing	49
Effect of BaF₂ and Y₂O₃ on the Raman scattering characteristics of fluorotellurite glasses	47
Progress in water-based metamaterial absorbers: a review	46
Backscattering enhancement of a chessboard metasurface based on the orbital angular momentum detection approach	44
High-NA broadband achromatic metalens in the visible range	44
3-W output power from a 2-µm InGaSb VECSEL using a hybrid metal-semiconductor Bragg reflector	41
Dual-frequency broadband metasurface for independently generating multiple vortex beams based on spin decoupling	41
Floquet topological physics in photonics [Invited]	40
Ultra-broadband emission in Er³⁺/Tm³⁺/Ho³⁺ triply-doped germanate glass and double-clad optical fiber	40
Realization of tunable non-Hermitian zero-index photonic crystals	39

Time-Varying Artificial Photonic Metastructures: introduction to the special issue	37
Advantages of YLF host over YAG in power scaling at cryogenic temperatures: direct comparison of Yb-doped systems	37
Robust optical picometrology through data diversity	37
Spatially-selective enhancement of mechanical strength through localized cross-linking of double network hydrogels	36
Tailoring standing waves on meta-atom: a facile way to a high-efficiency functional metasurface with spin-selectivity	35
Multifaceted anapole: from physics to applications [Invited]	34
Generation of vector soliton mode-locked Er-doped fiber laser using ZrTe₂ as saturable absorber	34
Deep-ultraviolet localized surface plasmon resonance using Ga nanoparticles	34
Fused silica as an optical material [Invited]	33