APPLIED OPTICS应用光学
APPLIED OPTICS(英文缩写 APPL OPTICS),ISSN 1559-128X,eISSN 2155-3165,中文译名:应用光学 是一本学术期刊。本页汇总该期刊的最新影响因子、分区信息以及最新收录于 PubMed 的文献,帮助您快速了解期刊全貌。
发文量统计区间：2025-10-01 至 2026-09-30，按本站收录文献的发表日期统计。
期刊介绍
历年影响因子趋势
| JCR 数据年份 | 影响因子 | JCR 分区 |
|---|---|---|
| 2021 | 1.905 | Q3 |
| 2022 | 1.900 | Q3 |
| 2023 | 1.700 | Q3 |
| 2024 | 1.700 | Q3 |
| 2025 | 1.700 | Q3 |
APPLIED OPTICS 最新收录文献
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1. Heterodyne interferometric phase demodulation system based on hysteresis alignment for CNC machine tool positioning errors.
PMID:日期:2026-08-10To address metastability, phase misalignment, and wavelength jumps in the high-frequency heterodyne interferometric measurement of computer numerical control (CNC) machine tool positioning errors, a robust all-hardware field-programmable gate array (FPGA) phase demodulation system is developed. The architecture adopts an all-hardware design covering the complete process from signal preprocessing to synchronous data alignment. The front-end integrates time-domain constraints and multi-stage convergence to filter noise and suppress metastability. The core layer utilizes a wide-threshold hysteresis algorithm with a quarter-cycle buffer to eliminate counting errors at the fundamental level. The back-end employs synchronous latching and handshake protocols for precise data alignment. Experiments conducted on a 3.2 m guide rail demonstrate that the average repeatability of the proposed system reaches 0.59µm, outperforming the Renishaw XL-80 (0.88µm), and the nonlinear residuals of both systems exhibit high consistency. Stability tests over a 1.5 m long-distance open path further confirm that the raw fluctuations of the system remain at the sub-micrometer level, with no phase-locking failures or jumps. This timing-deterministic, jump-free hardware solution offers significant potential for precision measurement in complex industrial environments.
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2. Optimization of ground-based optical network configuration for geosynchronous orbit observation.
PMID:日期:2026-08-10The geosynchronous orbit (GEO) region hosts critical high-value satellites, making continuous space situational awareness essential for collision risk assessment and national security. We propose a model for quantitatively evaluating the performance and gain of ground-based optical telescope networks for GEO observation, with emphasis on key metrics including spatiotemporal coverage, system sensitivity, and detection latency for single and multiple stations. This framework supports flexible adjustment of site coordinates, sky background, telescope aperture, detector characteristics, and observational conditions, which provides decision-oriented data support for global network deployment and resource allocation. Validated against Stellarium simulations, the model demonstrates a mean spatial coverage error of 0.49% with high geometric accuracy. Brightness prediction errors below 1.0 magnitude relative to measured data confirm its feasibility and numerical stability. Combined with a two-facet model, the framework enables albedo-area retrieval of unresolved GEO targets, specifically for three-axis-stabilized satellites.
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3. Effect of laser pulse width (ns-fs) on laser-induced damage thresholds of a CMOS photodetector.
PMID:日期:2026-08-10This study investigated the effect of laser pulse width on the laser-induced damage threshold of a CMOS photodetector with fs-ns laser pulsed width arranged by using the two-temperature model (TTM) and Fourier heat transfer models, and experimental verification was conducted. The simulated results show that for pulse widths 10ps<<100ps, both the TTM model and the Fourier heat conduction model are used. In the transition regime, the TTM is adopted for pulse widths shorter than 60 ps, and the Fourier heat conduction model is adopted for pulse widths larger than 60 ps. Over the investigated pulse width range of 50 fs to 300 ns, the thermal damage threshold of the CMOS photodetector is increased with laser pulse width. By accounting for thermal diffusion effects, the fitted scaling law is obtained as F∼. To validate the simulated results, the laser-induced damage experiments of the CMOS photodetector are performed using 50 fs and 10 ns pulsed lasers and the results compared with existing research. The experimental damage thresholds agree with the theoretical predictions and the proposed laser-induced damage threshold-pulse width scaling law by accounting the wavelength-specific material parameters. This work provides theoretical support for assessing and mitigating laser-induced damage in the CMOS photodetector.
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4. Two-dimensional synchronous stray light detection and correction method for imaging spectrometers.
PMID:日期:2026-08-10Stray light is primarily induced by internal reflections and scattering from off-axis radiation, surface scratches or particulate contamination on optical elements, and imperfections in diffraction gratings. It produces nonphysical distortions in measured spectra and radiometric quantities and is therefore a major contributor to the measurement uncertainty of imaging spectrometers. Because an imaging spectrometer simultaneously records two-dimensional responses, namely the spectral and spatial dimensions, both dimensions should be characterized and corrected in a consistent manner. In current practice, however, spectral domain and spatial domain stray light are often measured and corrected separately using different instruments and methodologies. This not only increases experimental complexity and testing workload, but more critically, the two calibrations are frequently performed using different targets and different radiance levels. The resulting mismatch in response magnitude between the spectral and spatial domains can undermine the accuracy and physical validity of the derived two-dimensional correction coefficients. To address this issue, this study proposes a two-dimensional synchronous stray light detection and joint correction method for imaging spectrometers and develops a dedicated synchronous measurement platform. Under a single experimental configuration, the same target is measured at the same response level to acquire both spectral and spatial stray light responses. A two-dimensional stray light correction matrix is then constructed and applied for pixel level joint correction. In parallel, optical mechanical stray light simulations are performed using a stray light analysis tool to verify the consistency of the underlying mechanisms and to cross-validate the experimental results. The measurements yield stray light coefficients of 0.02% in the spectral dimension and 0.05% in the spatial dimension, and the spatial domain result is consistent in order of magnitude with the two-dimensional simulation outcome of 0.013%, demonstrating the effectiveness of the proposed synchronous detection approach. After applying the spatial domain correction, the stray light coefficient is reduced to 0.012%, representing an improvement by a factor of 4.5 compared with the pre-correction level, which further confirms the effectiveness of the proposed two-dimensional synchronous stray light correction method.
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5. Misalignment-induced aberration compensation technique based on feature extraction and optimization of spot images at an arbitrary single field point.
PMID:日期:2026-08-10Off-axis telescopes in operational states are susceptible to environmental variations and mechanical vibrations, which deviate the secondary mirror (SM) from its nominal positions and induce misalignment aberrations. Existing compensation techniques for SM misalignment-induced aberrations of off-axis telescopes typically rely on fixed multi-field points wavefront sensing data or spot images to solve for misalignment restoration solutions. These methods suffer from limitations such as poor environmental adaptability, inflexible field-of-view configuration, and high computational costs for achieving high-precision misalignment restoration solutions. To address this, this paper proposes an aberration compensation technique based on feature extraction and optimization from arbitrary single field point spot images. It utilizes unbiased finite impulse response (UFIR) moments to extract spot image features and combines them with the differential evolution (DE) nonlinear optimization algorithm to find equivalent misalignments, thereby achieving system aberration compensation. Simulation verifies the feasibility of this method and compares its performance with typical image moment approaches. The influence of atmospheric turbulence on the presented method is also analyzed. Finally, physical experiments are conducted on an experimental platform for further validation. This technique compensates for aberrations using only arbitrary single field point spot images, without requiring multiple field points wavefront or spot data, nor precise determination of actual misalignments. It simplifies the misalignment-induced aberration compensation process and provides a reference for subsequent engineering applications.
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6. Top-profile-prior-constrained inversion for bottom-parameter reconstruction of extreme ultraviolet mask phase defects.
PMID:日期:2026-08-10Accurate repair or compensation of buried multilayer phase defects in extreme ultraviolet (EUV) lithography requires reliable knowledge of their three-dimensional morphology, yet the bottom-profile parameters remain difficult to recover from a single aerial-image observation. Through controlled diagnostic simulations, we show that this limitation originates primarily from the observation rather than from insufficient network capacity: the aerial image is much more sensitive to the defect top profile than to the buried bottom profile, and the error therefore saturates even when the network is trained only on the bottom parameters. We address this information bottleneck by reformulating reconstruction as a conditional inverse problem in which the independently measurable top profile, physically coupled to the bottom through multilayer deposition smoothing, is used as an explicit prior. The resulting dual-stream network, CoPriNet, injects the prior into hierarchical image features through latent-conditioned feature-wise linear modulation and enforces the deposition-smoothing inequality by construction. On simulated EUV mask phase defects, CoPriNet reduces the bottom-parameter mean relative error to 0.91% for bump defects and 0.79% for pit defects, while remaining robust to noise in the reconstructed complex field and to moderate top-prior error.
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7. Global statistical modeling of liquid cloud, ice cloud, and aerosol attenuation in satellite-Earth free-space optical communication.
PMID:日期:2026-08-10The lack of a comprehensive global model for atmospheric attenuation remains a bottleneck in the operational planning and link budgeting of satellite-Earth free-space optical (FSO) communication links. Using 10 years of reanalysis and satellite data, we develop a global statistical model that accounts for uncertainties and hourly variability in liquid cloud, ice cloud, and aerosol attenuation. While liquid cloud attenuation is well described globally by a gamma distribution, ice cloud attenuation follows a log-normal distribution in the tropics and a gamma distribution in extratropical and polar regions. Aerosol attenuation follows a gamma distribution over oceans and a log-normal distribution over land. Though aerosol attenuation is generally an order of magnitude lower than cloud attenuation, it is shown to be crucial in locations with low cloud water and ice content. These findings provide a quantitative framework for the site selection of optical ground stations and link-budget studies of satellite-Earth FSO links.
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8. High-energy nanosecond pulse extraction in a 40 µm core REPUSIL erbium-doped PM fiber: modeling and experiment.
PMID:日期:2026-08-10We report on a polarization-maintaining (PM) very large mode area (VLMA) Er-doped fiber with a 40 µm hexagonal core, fabricated via the REPUSIL powder process. The fiber's performance was evaluated in a MOPA configuration under 976 nm cladding-pumping and 1480 nm core-pumping. A numerical model, distinguishing between isolated ions and clusters to account for cooperative up-conversion and pair-induced quenching, shows excellent agreement with experimental results. This validated model provides a robust tool for designing high-energy, eye-safe PM-VLMA fiber amplifiers.
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9. {"_":"High-performance D-shaped photonic quasi-crystal fiber SPR sensor with Ag-TiO gratings.","sub":["2"]}
PMID:日期:2026-08-10A D-shaped photonic quasi-crystal fiber (PQF) surface plasmon resonance (SPR) sensor is numerically designed and analyzed. By patterning a silver-titanium dioxide (Ag-TiO) composite film into a grating structure, the localized surface plasmon resonance (LSPR) is enhanced and the full width at half-maximum (FWHM) is narrowed. The finite element method (FEM) is employed to optimize the structural parameters. In the refractive index (RI) range of 1.36-1.425, the sensor obtained a wavelength sensitivity of 15,800 nm/RIU and a maximum figure of merit (FOM) of 929.02RIU. A maximum amplitude sensitivity (AS) of 11,709.8RIU is also obtained. With its excellent FOM and AS, the proposed sensor holds great application potential in chemistry, biomedicine, and environmental monitoring. These results demonstrate a promising strategy for designing high-performance SPR RI sensors.
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10. Extended-source light distribution design method based on discrete generatrix set envelope fitting and optimization.
PMID:日期:2026-08-10Optical lens design based on an ideal point-source mathematical model suffers from performance degradation as the source size increases. In practical engineering applications involving extended LED sources, this results in issues such as poor irradiance uniformity and significant edge diffusion. To address this issue, we propose an extended-source light distribution design method based on discrete point-source generatrix set envelope fitting and optimization. The extended source is first discretized into a series of ideal point sources. The outer envelope of a set of generatrix curves-each obtained from the exact mathematical model of a point source-is then extracted and fitted to serve as the generatrix of the initial structure. In the optimization process, the fitting coefficients are iteratively adjusted through a coordinated framework that integrates three program modules: the optimization routine, the envelope fitting and restoration routine for the initial structure generatrix, and the two-dimensional ray-tracing routine. When the optimization metric, namely the root-mean-square error of the irradiance distribution, falls below a prescribed threshold, the restored generatrix coordinate data are used to construct a 3D lens model suitable for extended-source light distribution, which is then validated through ray tracing. The validation results show that the irradiance uniformity is improved from 76.8% for the initial structure to 92.7% after optimization; the RMSE of the irradiance distribution decreases from 1.625 to 0.827; and the edge irradiance gradient increases from 0.27 to 0.45, indicating that the edge diffusion problem is effectively mitigated. Furthermore, the robustness of the proposed method is verified through comparisons with the optimization method in commercial software and engineering tolerance analysis.