English
Related papers

Related papers: Multispectral UV Imaging on Capacitive CMOS Arrays…

200 papers

On-chip photodetectors are essential components in optical communications as they convert light into an electrical signal. Photobolometers are type of photodetector that functions through a resistance change caused by electronic temperature…

Optics · Physics 2023-09-27 Jacek Gosciniak

Periodic or gradient subwavelength structures are basic configurations of photonic crystals and metamaterials. While the numerical simulations predict trivial loss, but the fabricated photonic crystal waveguides by E-beam lithography and…

Applied Physics · Physics 2021-04-20 Yahui Xiao , Feifan Wang , Dun Mao , Thomas Kananen , Tiantian Li , Hwaseob Lee , Zi Wang , Tingyi Gu

In this study we present first results from a new detector of UV photons: a thick gaseous electron multiplier (GEM) with resistive electrodes, combined with CsI or CsTe/CsI photocathodes. The hole type structure considerably suppresses the…

Instrumentation and Detectors · Physics 2008-11-26 J. M. Bidault , P. Fonte , T. Francke , P. Galy , V. Peskov , I. Rodionov

Optical spectrometers are widely used scientific equipment with many applications involving material characterization, chemical analysis, disease diagnostics, surveillance, etc. Emerging applications in biomedical and communication fields…

Deep-ultraviolet (DUV) microscopy can provide label-free biochemical contrast by exploiting the intrinsic absorption of nucleic acids, proteins and lipids, offering chemically specific morphological information that complements structural…

Carbon nanostructures technology has recently emerged as a key enabler for next-generation optoelectronic devices including deep UV detectors and light sources which is promising in health and environment monitoring. Here, we report the…

Instrumentation and Detectors · Physics 2018-07-31 Rishi Maiti , Subhrajit Mukherjee , Tamal Dey , Samit K Ray

At present, ultraviolet sensors are utilized in numerous fields ranging from various spectroscopy applications via biotechnical innovations to industrial process control. Despite of this, the performance of current UV sensors is…

Applied Physics · Physics 2020-10-30 M. Garin , J. Heinonen , L. Werner , T. P. Pasanen , V. Vähänissi , A. Haarahiltunen , M. Juntunen , H. Savin

Magnetometers based on quantum mechanical processes enable high sensitivity and long-term stability without the need for re-calibration, but their integration into fieldable devices remains challenging. This paper presents a CMOS quantum…

Applied Physics · Physics 2020-07-23 Mohamed I. Ibrahim , Christopher Foy , Dirk R. Englund , Ruonan Han

Hyperspectroscopy is a new method of surface image taking, providing simultaneously high position and spectral resolutions which allow one to make some conclusions about chemical compositions of the surfaces. We are now studying…

Instrumentation and Detectors · Physics 2016-11-18 I. Rodionov , J-M. Bidault , I. Crotty , P. Fonte , F. Galy , V. Peskov , O. Zanette

Ultra-violet (UV) and near-UV wavelengths are necessary for many important optical transitions for quantum technologies and various sensing mechanisms for biological and chemical detection. However, all well-known photonic platforms have…

We present high-speed and wide-field EUV ptychography at 13.5 nm wavelength using a table-top high-order harmonic source. By employing a scientific complementary metal oxide semiconductor (sCMOS) detector the scan time for sub-20 nm…

Instrumentation and Detectors · Physics 2023-04-26 Wilhelm Eschen , Chang Liu , Daniel S. Penagos Molina , Robert Klas , Jens Limpert , Jan Rothhardt

A multispectral image camera captures image data within specific wavelength ranges in narrow wavelength bands across the electromagnetic spectrum. Images from a multispectral camera can extract additional information that the human eye or a…

In recent years, the performance of Scientifc Complementary Metal Oxide Semiconductor (sCMOS) sensors has been improved signifcantly. Compared with CCD sensors, sCMOS sensors have various advantages, making them potentially better devices…

Instrumentation and Methods for Astrophysics · Physics 2022-10-05 Qinyu Wu , Zhenqing Jia , Wenxin Wang , Zhixing Ling , Chen Zhang , Shuangnan Zhang , Weimin Yuan

This paper introduces an improved image processing method usable in capacitive imaging applications. Standard capacitive imaging tends to prefer amplitude-based images over the use of phase due to better signal-to-noise ratios. The new…

Signal Processing · Electrical Eng. & Systems 2022-01-06 Silvio Amato , David Hutchins , Xiaokang Yin , Marco Ricci , Stefano Laureti

We are developing imaging and photon counting UV-MCP detectors, which are sensitive in the wavelength range from far ultraviolet to near ultraviolet. A good quantum efficiency, solar blindness and high spatial resolution is the aim of our…

Optical spectroscopy plays an essential role across scientific research and industry for non-contact materials analysis1-3, increasingly through in-situ or portable platforms4-6. However, when considering low-light-level applications,…

We demonstrate a zero-bias ultraviolet (UV) detector using zinc oxide (ZnO) thin films as the active semiconductor layer, specifically for application in cryogenic conditions. The zero-bias device utilizes the piezoelectric potential…

Materials Science · Physics 2025-11-14 P. Sau , N. Hancock , I. Tzoka , V. Khichar , A. Barajas , G. Gansle , N. Hozhabri , V. A. Chirayath , J. Asaadi

The future interconnect links in intra- and inter-chip require the photodetector with high bandwidth, ultra-wide waveband, compact footprint, low-cost, and compatible integration process with silicon complementary metal-oxide-semiconductor…

Optics · Physics 2023-03-16 Weifeng Wu , Fan Yang , Xiansong Fang , Xiang Cai , Xiaohui Liu , Fan Zhang , Sheng Wang

Multispectral imaging is very beneficial in diverse applications, like healthcare and agriculture, since it can capture absorption bands of molecules in different spectral areas. A promising approach for multispectral snapshot imaging are…

Image and Video Processing · Electrical Eng. & Systems 2024-11-08 Frank Sippel , Jürgen Seiler , André Kaup

To understand the scientific imaging capability, one must characterize the intra-pixel sensitivity variation (IPSV) of the CMOS image sensor. Extracting an IPSV map contributes to an improved detector calibration that allows to eliminate…

Instrumentation and Methods for Astrophysics · Physics 2018-01-11 Swaraj Mahato , J. De Ridder , Guy Meynants , Gert Raskin , H. Van Winckel