Results 41 to 50 of about 139,447 (303)

Control of broad-area vertical-cavity surface emitting laser emission by optically induced photonic crystals [PDF]

, 2008
We control the emission properties of a broad-area vertical-cavity surface emitting laser by coupling it to an external feedback cavity containing a photorefractive crystal with an optically induced photonic lattice.
Ackemann, T., Denz, C., Radwell, N., Rose, P., Terhalle, B.   +4 more
core   +1 more source

Polarization‐resolved femtosecond Vis/IR spectroscopy tailored for resolving weak signals in biological samples using minimal sample volume

FEBS Open Bio, EarlyView.
Unique biological samples, such as site‐specific mutant proteins, are available only in limited quantities. Here, we present a polarization‐resolved transient infrared spectroscopy setup with referencing to improve signal‐to‐noise tailored towards tracing small signals. We provide an overview of characterizing the excitation conditions for polarization‐
Clark Zahn, Karsten Heyne
wiley   +1 more source

A wideband linear tunable CDTA and its application in field programmable analogue array [PDF]

, 2016
This document is the Accepted Manuscript version of the following article: Hu, Z., Wang, C., Sun, J. et al. ‘A wideband linear tunable CDTA and its application in field programmable analogue array’, Analog Integrated Circuits and Signal Processing, Vol ...
A Laknaur, A Uygur, A Uygur, AU Keskin, AU Keskin, B Pankiewicz, B Pankiewicz, CA Looby, Chunhua Wang, CR Schlottmann, D Biolek, D Fernandez, EF Lee, EKF Lee, F Kacar, F Khateb, H Kutuk, J Becker, J Jin, J Jin, J Xu, Jie Jin, Jingru Sun, P Prommee, R Sotner, R Sotner, S Mahmoud, S Summart, W Tangsrirat, W Tangsrirat, W Tangsrirat, Y Li, Yichuang Sun, Z Wang, Zhenhua Hu   +34 more
core   +2 more sources

UiO‐66 metal–organic frameworks in biomedicine: From structural tunability to bioimaging, photodiagnostics, and photodynamic cancer therapy

FEBS Open Bio, EarlyView.
UiO‐66(Zr) metal–organic frameworks are chemically stable, biocompatible, and highly tunable nanomaterials. Their modular structure enables controlled drug delivery, multimodal bioimaging, and light‐activated photodynamic therapy, supporting integrated diagnostic and therapeutic (theranostic) applications in cancer and biomedical research.
Veronika Huntošová, Grigorii Rakhalskii, Miroslav Almáši   +2 more
wiley   +1 more source

Frequency tunability of solid-core photonic crystal fibers filled with nanoparticle-doped liquid crystals [PDF]

, 2009
We infiltrate liquid crystals doped with BaTiO3 nanoparticles in a photonic crystal fiber and compare the measured transmission spectrum with the one achieved without dopant.
Alkeskjold, Anders Bjarklev, Du, Eggleton, Gauza, Gauza, Haakestad, Haiqing Xianyu, Kaczmarek, Kerbage, Kiely, Kobayashi, Kundu, Lara Scolari, Lars Eskildsen, Larsen, Lei Zhai, Li, Litchinitser, Noordegraaf, Noordegraaf, Reznikov, Russell, Scolari, Scolari, Sebastian Gauza, Shin–Tson Wu, Shiraishi, Thomas T. Alkeskjold, Wolinski, Wolinski, Wolinski, Wu, Wu, Zografopoulos   +34 more
core   +3 more sources

Planar Solid‐State Nanopores Toward Scalable Nanofluidic Integration Based on CMOS Technology

Advanced Engineering Materials, EarlyView.
We present a scalable silicon‐based fabrication strategy for planar solid‐state nanopores to enable their integration with complex nanofluidic systems. Prototype devices demonstrate normal voltage‐current characteristics, good noise performance, and appreciable streaming currents. Our CMOS‐compatible fabrication process offers precise geometric control
Ngan Hoang Pham, Chenyu Wen, Mohammad Hadi Khaksaran, Won‐Yong Lee, Javier Cruz, Klas Hjort, Dongping Wu, Shi‐Li Zhang   +7 more
wiley   +1 more source

Transmittance of a tunable filter at terahertz frequencies [PDF]

, 2004
A metallic photonic crystal filter has been demonstrated at terahertz frequencies, with the passband tunable over the range of 365–386 GHz. Tuning is achieved by a relative lateral shift of two metallic photonic crystal plates. Each plate is comprised of
Baker, C., Cumming, D.R.S., Drysdale, T.D., Gregory, I.S., Linfield, E.H., Tribe, W.R.   +5 more
core   +1 more source

Synthesis of a Novel Thermoresponsive S53P4 Bioactive Glass Extract–Poloxamer 407 Injectable Hydrogels: Assessment of Biocompatibility and Antimicrobial Properties

Advanced Engineering Materials, EarlyView.
This study investigates innovative thermoreversible hydrogels derived from S53P4 bioactive glass extracts to aid in the healing of infected diabetic foot wounds. These injectable gels, which gel at body temperature, release beneficial ions and remain stable over time.
Marian G. Vargas Guerrero, Adrian Stiller, Alex Nygård, Matej Krivulka, Lars Galema, Erwin Peters, Jimmy Lucchesi, Peter Uppstu, Leena Hupa, Jacobus J. C. Arts   +9 more
wiley   +1 more source

Wavelength calibration using MEMS-enabled double filter configuration for air gap sensing in the tunable Fabry–Pérot filter

AIP Advances
We fabricate a microelectromechanical systems (MEMS)-based device configuring the tunable air gap Fabry–Pérot filter (FPF) with a static gradient thickness filter on the same platform.
Pratyasha Sahani, Shiori Nabana, Taiyu Okatani, Naoki Inomata, Yoshiaki Kanamori   +4 more
doaj   +1 more source

Dual-Band Tunable Recursive Active Filter

, 2011
This letter presents a novel recursive active filter topology that provides dual-band performance, with independent tuning capability in both bands. The dual-band operation is achieved by using two independent feedback lines.
Aznar Ballesta, Francisco, García Pérez, Oscar Alberto, González Posadas, Vicente, Segovia Vargas, Daniel   +3 more
core   +1 more source