Optimization of femtosecond laser spot coverage: analytical modeling of spatial frequencies, anisotropy, and saturation boundaries [0.03%]
飞秒激光点阵优化:空间频率、各向异性及饱和边界的解析建模
Samuel Arba Mosquera
Samuel Arba Mosquera
Keratorefractive lenticule extraction (KLEx) relies on dense, spatially uniform femtosecond laser photodisruption to create intrastromal cleavage planes that permit controlled mechanical separation of corneal tissue. While scanning trajecto...
Alfonso Jiménez-Villar,Seojin Ha,Travis K Redd et al.
Alfonso Jiménez-Villar et al.
We present a compact, automated, stereo-optical-sectioning imaging system for clinical assessment of the anterior segment, using a digital micromirror device (DMD) as a spatial light modulator. The platform synchronizes two CMOS cameras wit...
Machine learning-integrated multi-wavelength SPR sensor based on aluminum-doped zinc oxide and 2D amorphous silicon for high-precision salinity measurement [0.03%]
基于掺铝氧化锌和二维无定形硅的机器学习集成型多波长SPR传感器用于高精度盐度测量
Khandakar Mohammad Ishtiak,Safayat-Al Imam,Quazi D M Khosru
Khandakar Mohammad Ishtiak
This study proposes a highly sensitive SPR sensor for the rapid and accurate determination of water salinity in the range of 1%-30%. The sensor is based on an aluminum-doped zinc oxide and 2D amorphous silicon material, an MgF2 prism, and a...
Multiscale photoacoustic imaging of stroke in preclinical models and future directions toward clinical translation [Invited] [0.03%]
基于多尺度声光成像的中风预临床模型及未来临床转化方向特邀评论文章
Jiwoong Kim,Joo Young Kweon,Hyunseo Jeon et al.
Jiwoong Kim et al.
Photoacoustic imaging (PAI) combines optical absorption contrast with acoustic detection, enabling noninvasive, high-resolution spatiotemporal observation of cerebral hemodynamics, oxygenation, and vascular structural changes, thereby emerg...
Instrument-integrated optical coherence tomography for quantitative assessment of tissue alteration in retinal endolaser photocoagulation [0.03%]
眼底激光光凝治疗中的一种仪器集成的光学相干层析成像技术及其量化评估组织改变的能力研究
Dongyue Wu,Max Mai Tobon,Florian Lux et al.
Dongyue Wu et al.
Retinal endolaser photocoagulation (REPC) is a common vitreoretinal procedure, yet quantitative and intraoperative assessment of treatment outcomes remains challenging with microscopic imaging or conventional microscope-integrated optical c...
Application of gradient-consensus Richardson-Lucy deconvolution to noisy undersampled brightfield microscopy data [0.03%]
梯度共识Richardson-Lucy去卷积在噪声欠采样明场显微镜数据中的应用
Yiming Liu,Sjoerd Stallinga
Yiming Liu
The gradient-consensus Richardson-Lucy (GC-RL) deconvolution algorithm is a novel approach to contrast restoration in high-resolution microscopy imaging without excessive noise amplification. We evaluate this method in this work, focusing o...
Vladislav Reimer,Georgios Ctistis,Katarina Fedorov et al.
Vladislav Reimer et al.
We present a compact fiber-optic fluorescence reader for quantitative, multiplex point-of-care (PoC) analysis of lateral flow assays (LFAs). The system uses a dual-port fiber Bragg grating (FBG) spectrometer for spectral discrimination and ...
Numerical study of reflection-based energy density enhancement in turbid media via wavefront shaping [0.03%]
基于波前整形的散射介质中反射式能量增强数值研究
Niklas Fritzsche,Manuel Petzi,Dominik Reitzle et al.
Niklas Fritzsche et al.
Delivering energy deep into turbid media is essential for applications like biomedical imaging, medical treatment, and material processing. We applied wavefront shaping to enhance light penetration by manipulating the phase of incident ligh...
Computational and experimental investigation of nanoparticle effects on tissue optical properties and optical coherence tomography imaging [0.03%]
纳米颗粒对组织光学性质和光学相干层析成像影响的计算与实验研究
Seyyede Sarvenaz Khatami,Mohammad Ali Ansari,Behnam Shariati B K et al.
Seyyede Sarvenaz Khatami et al.
Optical coherence tomography (OCT) is a widely used biomedical imaging modality due to its simplicity, low cost, and high spatial resolution; however, its performance is fundamentally limited by low intrinsic image contrast, particularly at...
Melanin-corrected absolute tissue oxygen saturation estimation via hybrid transmittance-reflectance spectroscopy [0.03%]
基于透射反射光谱的黑色素校正绝对组织氧饱和度检测方法
Rento Kubo,Takayuki Okamoto,Hideaki Haneishi
Rento Kubo
Accurate absolute tissue oxygen saturation (StO2) measurement is clinically important, yet conventional approaches are often degraded by scattering-induced optical pathlength variability and epidermal melanin absorption. We propose a compac...