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We describe a technique for surface and sub-surface micro-machining of glass substrates using tightly focused femtosecond laser pulses at a wavelength of 1660 nm. Although silicate glass is normally transparent at this wavelength, the…

As feature sizes shrink to the nanometer scale, accurately transferring circuit patterns from photomasks to silicon wafers becomes increasingly challenging. Optical proximity correction (OPC) is widely used to ensure pattern fidelity and…

Computer Vision and Pattern Recognition · Computer Science 2026-05-14 Yuting Hu , Lei Zhuang , Chen Wang , Ruiyang Qin , Hua Xiang , Gi-joon Nam , Jinjun Xiong

Controlled atomic scale fabrication of functional devices is one of the holy grails of nanotechnology. The most promising class of techniques that enable deterministic nanodevice fabrication are based on scanning probe patterning or surface…

A large area Resistive Plate Chamber (RPC) with a total active surface of 160x10 cm2 was built and tested. The surface was segmented in two 5 cm wide strips readout on both ends with custom, very high frequency, front end electronics. A…

Instrumentation and Detectors · Physics 2009-11-07 A. Blanco , R. Ferreira-Marques , Ch. Finck , P. Fonte , A. Gobbi , A. Policarpo , M. Rozas

Ceramics are highly technical materials with properties of interest for multiple industries. Precisely because of their high chemical, thermal, and mechanical resistance, ceramics are difficult to mold into complex shapes. A possibility to…

Multiple-Amplifier Sensing (MAS) charge-coupled devices (CCDs) have recently been shown to be promising silicon detectors that meet noise sensitivity requirements for next generation Stage-5 spectroscopic surveys and potentially, future…

Instrumentation and Methods for Astrophysics · Physics 2025-04-30 Kenneth W. Lin , Abby Bault , Armin Karcher , Julien Guy , Stephen E. Holland , William F. Kolbe , Peter E. Nugent

The prospect of building a quantum information processor underlies many recent advances ion trap fabrication techniques. Potentially, a quantum computer could be constructed from a large array of interconnected ion traps. We report on a…

The rapid, unsustainable depletion of finite fossil fuel resources and their environmental consequences demand the deployment of affordable clean and sustainable energy solutions. Polymer electrolyte membrane fuel cell (PEMFC) technology is…

Materials Science · Physics 2026-04-02 Zahra Kazemi , Kamran Behdinan

Deformable image registration is a fundamental step for medical image analysis. Recently, transformers have been used for registration and outperformed Convolutional Neural Networks (CNNs). Transformers can capture long-range dependence…

Image and Video Processing · Electrical Eng. & Systems 2024-06-13 Mingyuan Meng , Dagan Feng , Lei Bi , Jinman Kim

We report on performance results achieved for recently produced LAPPDs - largest comercially available planar geometry photodetectors based on microchannel plates. These results include electron gains of up to $10^{7}$, low dark noise rates…

There has been a significant effort to design nanophotonic structures that process images at the speed of light. A prototypical example is in edge detection, where photonic-crystal-, metasurface-, and plasmon-based designs have been…

Optics · Physics 2021-07-26 Wenjin Xue , Owen D. Miller

We report on an apparatus able to measure the absolute detection efficiency of a detector for electrons in the 30 - 900 eV range. In particular, we discuss the characterisation of a two-stage chevron microchannel plate (MCP). The…

Instrumentation and Detectors · Physics 2022-03-29 A. Apponi , F. Pandolfi , I. Rago , G. Cavoto , C. Mariani , A. Ruocco

Printed electronics technology offers a cost-effectiveand fully-customizable solution to computational needs beyondthe capabilities of traditional silicon technologies, offering ad-vantages such as on-demand manufacturing and conformal,…

Hardware Architecture · Computer Science 2024-12-10 Florentia Afentaki , Paula Carolina Lozano Duarte , Georgios Zervakis , Mehdi B. Tahoori

Hybrid digital/analog architecture and low-resolution analog-to-digital/digital-to-analog converters (ADCs /DACs) are two low-cost implementations for large-scale millimeter wave (mmWave) systems. In this paper, we investigate the problem…

Signal Processing · Electrical Eng. & Systems 2023-03-07 Ziyang Cheng , Linlong Wu , Bowen Wang , Julan Xie , Huiyong Li

A novel Resistive Plate Chamber (RPC) was designed with Diamond-Like Carbon (DLC) electrodes and performance studies were carried out for 384$\,\mathrm{\mu m}$ gap configuration with a $2\,\mathrm{cm}\times2\,\mathrm{cm}$ prototype. The use…

Instrumentation and Detectors · Physics 2024-01-25 Kei Ieki , Weiyuan Li , Atsuhiko Ochi , Rina Onda , Wataru Ootani , Atsushi Oya , Masato Takahashi , Kensuke Yamamoto

Optical frequency combs represent a revolutionary technology for high precision spectroscopy due to their narrow linewidths and precise frequency spacing. Generation of such combs in the mid-infrared (IR) spectral region (2-20 um) is of…

Monolithic Active Pixel Sensors (MAPS) have been developed since the late 1990s employing silicon substrate with a thin epitaxial layer in which deposited charge is collected by disordered diffusion rather than by drift in an electric…

Dispersion-based photonics-assisted microwave measurement systems provide immense potential for real-time analysis of wideband and dynamic signals. However, they face two critical challenges: a difficulty in achieving high frequency…

Optics · Physics 2026-02-13 Chi Jiang , Taixia Shi , Hang Yang , Lei Gao , Xianxin Zhang , Yiqing Liu , Yang Chen

A new conception of the wavelength division multiplexing on the basis of the two-dimensional photonic crystal was developed. The photonic crystals band structures were investigated in details. The method for the synthesis of the two-channel…

Optics · Physics 2010-12-07 I. V. Guriev , I. A. Sukhoivanov , A. V. Shulika , A. V. Kublik

Nonlinear photonic chips are capable of generating and processing signals all-optically with performance far superior to that possible electronically - particularly with respect to speed. Although silicon has been the leading platform for…

Optics · Physics 2014-10-29 David J. Moss , Roberto Morandotti
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