Results 1 to 10 of about 311,897 (95)

Diode-pumped high-power gigahertz Kerr-lens mode-locked solid-state oscillator enabled by a dual-confocal ring cavity

High Power Laser Science and Engineering
Femtosecond oscillators with gigahertz (GHz) repetition rate are appealing sources for spectroscopic applications benefiting from the individually accessible and high-power comb line.
Li Zheng, Wenlong Tian, Hanchen Xue, Yuehang Chen, Geyang Wang, Chuan Bai, Yang Yu, Zhiyi Wei, Jiangfeng Zhu   +8 more
doaj   +1 more source

Continuous gradient fusion class activation mapping: segmentation of laser-induced damage on large-aperture optics in dark-field images

High Power Laser Science and Engineering
Segmenting dark-field images of laser-induced damage on large-aperture optics in high-power laser facilities is challenged by complicated damage morphology, uneven illumination and stray light interference.
Yueyue Han, Yingyan Huang, Hangcheng Dong, Fengdong Chen, Fa Zeng, Zhitao Peng, Qihua Zhu, Guodong Liu   +7 more
doaj   +1 more source

Application of quantum-limited optical time transfer to space-based optical clock comparisons and coherent networks

APL Photonics
With the demonstration of quantum-limited optical time transfer capable of tolerating the losses associated with long ground-to-space links, two future applications of free-space time transfer have emerged: intercontinental clock comparisons for time ...
Emily D. Caldwell, Laura C. Sinclair, Jean-Daniel Deschenes, Fabrizio Giorgetta, Nathan R. Newbury   +4 more
doaj   +1 more source

Cascaded four-wave mixing in liquid-core optical fibers

APL Photonics
Ultrafast nonlinear interactions in optical fibers are commonly employed for generating light with tailored properties, with four-wave mixing (FWM) being a widely used mechanism.
Saher Junaid, Johannes Hofmann, Mario Chemnitz, Markus Blothe, Frank Setzpfandt, Stefan Nolte, Markus A. Schmidt   +6 more
doaj   +1 more source

Enhancing reflected light filtration of photoelectronic detection system using polarization gating in scattering media

APL Photonics
Photoelectronic technology has found extensive application due to its non-invasiveness, compact structure, and low cost. However, in semi-transparent media, the detection system based on reflection structure indiscriminately receives reflection light ...
Quanyu Ji, Yeshen Chen, Weiliang Xu, Zhibin Zou, Haihua Fan, Zefeng Chen, Li Tao, Xinming Li   +7 more
doaj   +1 more source

Low-noise microwave generation with an air-gap optical reference cavity

APL Photonics
We demonstrate a high finesse, microfabricated mirror-based, air-gap cavity with volume less than 1 ml, constructed in an array, that can support low-noise microwave generation through optical frequency division.
Yifan Liu, Dahyeon Lee, Takuma Nakamura, Naijun Jin, Haotian Cheng, Megan L. Kelleher, Charles A. McLemore, Igor Kudelin, William Groman, Scott A. Diddams, Peter T. Rakich, Franklyn Quinlan   +11 more
doaj   +1 more source

Light management for ever-thinner photovoltaics: A tutorial review

APL Photonics
Ultra-thin solar cells, an order of magnitude thinner than conventional technologies, are an emerging device concept that enables low-cost, flexible, lightweight, and defect-tolerant photovoltaics.
Eduardo Camarillo Abad, Hannah J. Joyce, Louise C. Hirst   +2 more
doaj   +1 more source

Three-dimensional varifocal meta-device for augmented reality display

PhotoniX
Augmented reality (AR) displays have gained significant attention for their ability to blend the real and virtual worlds seamlessly. However, they face challenges like the vergence-accommodation conflict and a limited eyebox. The AR community is actively
Yuzhou Song, Jiaqi Yuan, Qinmiao Chen, Xiaoyuan Liu, Yin Zhou, Jialuo Cheng, Shumin Xiao, Mu Ku Chen, Zihan Geng   +8 more
doaj   +1 more source

High-quality imaging under low scattering conditions using the light field contribution matrix model

APL Photonics
The extraction of singly scattered photons is crucial for achieving high-quality imaging. Singular value decomposition of the optical transmission matrix (TM) can effectively separate singly and multiply scattered photons.
Kang Liu, Jia Wu, Jing Cao, Rusheng Zhuo, Xiaoxi Chen, Qiang Zhou, Pinghe Wang, Guohua Shi   +7 more
doaj   +1 more source

Multi-modality deep learning for pulse prediction in homogeneous nonlinear systems via parametric conversion

APL Photonics
In this Letter, we introduce FusionNet, a multi-modality deep learning framework designed to predict and analyze output pulses in high-power rare-earth-doped laser systems driving parametric conversion in homogeneous guided nonlinear media.
Hao Zhang, Linshan Sun, Jack Hirschman, Sergio Carbajo   +3 more
doaj   +1 more source