Results 31 to 40 of about 28,721 (300)

Quasi-continuous time-stretched photon Doppler velocimetry

Frontiers in Physics, 2022
In transient high-speed scenes such as chemical explosions, magnetic compression, electric explosion, and laser-driven flyer, the target object can accelerate from 0 to tens of km/s in a few nanoseconds. The time-stretched photon Doppler velocimetry uses
Linjie Lv, Linjie Lv, Yongjun Yang, Tengfei Wu, Jibo Han, Jibo Han, Pengmou Ma, Xiangmiao Chen, Abdul Qayyum Khan   +8 more
doaj   +1 more source

Wavelength conversion up to 18 nm at 10 Gb/s by four-wave mixing in a semiconductor optical amplifier [PDF]

, 1997
We characterize the conversion bandwidth of a four-wave mixing semiconductor optical amplifier wavelength converter. Conversion of 10-Gb/s signals with bit-error-rate (BER) performance of
Geraghty, David F., Lee, Robert B., Mathur, Atul, Vahala, Kerry J., Verdiell, Marc, Ziari, Mehrdad   +5 more
core   +1 more source

Gb/s visible light communications with colloidal quantum dot color converters [PDF]

, 2017
This paper reports the utilization of colloidal semiconductor quantum dots as color converters for Gb/s visible light communications. We briefly review the design and properties of colloidal quantum dots and discuss them in the context of fast color ...
Dawson, Martin D., Guilhabert, Benoit, Haas, Harald, Islim, Mohamed S., Kelly, Anthony E., Laurand, Nicolas, Leitao, Miguel F., Santos, Joao M.M., Watson, Scott   +8 more
core   +1 more source

Optimal I–V Curve Scan Time for a GaAs Laser Power Converter

Photonics, 2023
Current–voltage (I–V) curve measurement is an essential performance characterization technique for laser power converters (LPCs). Choosing an appropriate scan time can effectively avoid problems in the test process that lead to inaccurate data.
Yihao Zhang, Chenggang Guan, Wenxiu Chu, Yikai Zhou, Ruling Zhou, Yucheng Yao   +5 more
doaj   +1 more source

A new path towards ultra-high efficient laser power converters: Silicon carbide-based multijunction devices

Results in Engineering
Current high power laser transmission technology faces two major limitations to improve the efficiency of the photovoltaic receivers: the intrinsic entropic losses associated to low bandgap materials (such as GaAs) and the series resistance losses that ...
Javier F. Lozano, Natalia Seoane, Enrique Comesaña, Florencia M. Almonacid, Eduardo F. Fernández, Antonio García-Loureiro   +5 more
doaj   +1 more source

Numerical Simulation of a Hollow-Core Woodpile-Based Mode Launcher for Dielectric Laser Accelerators

Applied Sciences, 2022
Hollow core microstructures powered by infrared lasers represent a new and promising area of accelerator research, where advanced concepts of electromagnetism must be used to satisfy multiple requirements.
Giorgio Sebastiano Mauro, Giuseppe Torrisi, Andrea Locatelli, Alberto Bacci, Costantino De Angelis, David Mascali, Gino Sorbello   +6 more
doaj   +1 more source

Wavelength conversion at 10 Gb/s by four-wave mixing over a 30-nm interval [PDF]

, 1998
We show that the use of a long semiconductor optical amplifier increases the error-free conversion interval of a four-wave mixing (FWM)-based wavelength converter.
D'Ottavi, A., Dall'Ara, R., Guekos, G., Hunziker, G., Paiella, R., Spano, P., Vahala, K. J.   +6 more
core   +1 more source

Lowering operating temperatures in high-power laser-excited LuAG:Ce films by improving crystallinity and increasing Ce3+ content

Journal of Advanced Ceramics
High operating temperatures generally degrade the luminous performance of color converters used in high-power, laser-driven white lighting systems. This study demonstrated that the operating temperature of LuAG:Ce films can be significantly reduced ...
Huiying Hu, Bingguo Xue, Shaohong Liu, Limin Zhou, Hao Cui, Manmen Liu, Haigang Dong, Li Chen, Ming Wen, Feng Liu, Song Li, Liang Zuo   +11 more
doaj   +1 more source

Improving PARP inhibitor efficacy in bladder cancer without genetic BRCAness by combination with PLX51107

Molecular Oncology, EarlyView.
Clinical trials on PARP inhibitors in urothelial carcinoma (UC) showed limited efficacy and a lack of predictive biomarkers. We propose SLFN5, SLFN11, and OAS1 as UC‐specific response predictors. We suggest Talazoparib as the better PARP inhibitor for UC than Olaparib.
Jutta Schmitz, Anna L. Bartkowiak, Michael Rose, Nora Kolks, Patrick Petzsch, Vandana Solanki, Anne Stoffel, Bianca Faßbender, Leandra Lepping, Julka Volkamer, Karl Köhrer, Marc Seifert, Tokameh Mahmoudi, Tahlita C. M. Zuiverloon, Günter Niegisch, Michèle J. Hoffmann   +15 more
wiley   +1 more source

Reactive SPS of Al2O3–RE:YAG (RE = Ce; Ce+Gd) composite ceramic phosphors

Journal of Advanced Ceramics, 2023
Ultrafine-grained Al2O3–rare earth:yttrium aluminium garnet (Al2O3–RE:YAG) (RE = Ce; Ce+Gd) composite ceramics were obtained for the first time by reactive spark plasma sintering (SPS) using commercially available initial oxide powders. The effect of key
Denis Yu. Kosyanov, Anastasia A. Vornovskikh, Oleg O. Shichalin, Evgeniy K. Papynov, Anton A. Belov, Aleksandra A. Kosianova, Aleksandr N. Fedorets, Andrei A. Leonov, Alexey P. Zavjalov, Sergey A. Tikhonov, Yanbin Wang, Ziqiu Cheng, Xin Liu, Jiang Li   +13 more
doaj   +1 more source