Results 101 to 110 of about 19,862 (222)

Compact tunable bandpass filter on YIG substrate

Electronics Letters, 2012
Compact planar hairpin bandpass filters on yttrium iron garnet (YIG) substrate with a low insertion loss and large tunable range are designed, fabricated and characterised. The magnetic field tunable permeability of the YIG substrate led to a large tunable frequency range of 26% from 3.72 to 2.74 GHz when the magnetic field was varied from 0 to 800 Oe,
X. Yang, J. Wu, J. Lou, X. Xing, D.E. Oate, G.F. Dionne, N.X. Sun   +6 more
openaire   +1 more source

Room‐Temperature, Photo‐Densified High Refractive Index Titanium Oxide Thin Films for Solution‐Processed Flexible Bragg Mirrors and Microcavity OLEDs

Advanced Optical Materials, Volume 14, Issue 6, 9 February 2026.
This paper presents the room‐temperature fabrication of solution‐processed, high refractive index TiOX thin films via photo‐densification. Using these films, flexible Bragg mirrors are demonstrated on PET substrates, achieving a high reflectivity of 96% at 450 nm.
Ayumu Nagaoka, He Sun, Luyang Song, Lina Yoshida, Tsukasa Yoshida, Yoshiyuki Suzuri   +5 more
wiley   +1 more source

Tunable Patterned Blue Phase Liquid Crystals Based on Lithographic Process Technology

Advanced Optical Materials, Volume 14, Issue 6, 9 February 2026.
A patterned blue phase liquid crystal device with electrically driven, localized bistability is demonstrated using a cost‐efficient photolithographic dual‐alignment process. The device switches between a high‐contrast patterned state and a uniform reflective state.
Jia‐Yu Cao, Ting‐Mao Feng, Duan‐Yi Guo, Liang‐Ying Wu, Aleksandra Neumann, Kamil Orzechowski, Chun‐Ta Wang   +6 more
wiley   +1 more source

A Closed‐Loop‐Capable Neural Interface Platform for Deep Brain Modulation via Integrated Non‐Viral Gene Delivery, NIR Optogenetics, and Electrophysiological Recording

Advanced Science, Volume 13, Issue 7, 3 February 2026.
A multifunctional, 3D porous neural interface combines non‐viral gene delivery and NIR optogenetics to enable minimally invasive, closed‐loop modulation of deep‐brain circuits. Abstract Closed‐loop neuromodulation requires precise, stable, and cell‐specific control of neural circuits with minimal invasiveness.
Chao‐Yi Chu, Zih‐Huei Chen, Chun‐Wei Liang, Pu‐Wei Wu, Wei‐Qing Guo, Bo‐Wei Chen, Chih‐Chia Huang, Ssu‐Ju Li, Ching‐Wen Chang, Yao‐Wen Liang, Shun‐An Kan, Yu‐Chun Lo, Wei‐Chen Huang, You‐Yin Chen, San‐Yuan Chen   +14 more
wiley   +1 more source

Modular and Automated Workflow for Streamlined Raman Signal Analysis

Journal of Raman Spectroscopy, Volume 57, Issue 2, Page 360-377, February 2026.
This study presents an automated workflow for preprocessing and analyzing Raman spectroscopy data, addressing key challenges such as noise suppression, baseline correction, and peak fitting using Voigt profiles. The method is validated on both synthetic and experimental spectra, demonstrating improved spectral fidelity and peak detection for biomedical
Mykyta Kizilov, Vsevolod Cheburkanov, Joseph Harrington, Vladislav V. Yakovlev   +3 more
wiley   +1 more source

Ultra-wideband bandpass microstrip filter with electronically tunable notch-band

e-Prime: Advances in Electrical Engineering, Electronics and Energy
This paper introduces a compact ultra-wideband (UWB) microstrip filter featuring both a fixed and an electronically tunable notch band. Operating within the frequency range of 3.27 GHz to 5.61 GHz, the filter incorporates a permanent notch at 4.08 GHz ...
Dattatray S. Bade, Sudhakar S. Mande
doaj   +1 more source

374~747 MHz digital tunable microstrip filter

Tongxin xuebao, 2016
A novel digital microstrip tunable bandpass filter based on digitally tunable capacitor loading microstrip open ring resonators was proposed.The novel non-uniform open ring resonances with mixed coupling structure was used to make the coupling ...
Deng-yao TIAN, Quan-yuan FENG, Qian-yin XIANG   +2 more
doaj   +2 more sources

Distortion mechanisms in varactor diode-tuned microwave filters [PDF]

, 2006
Carey-Smith, BE, Warr, PA
core   +1 more source

The evaluation of a HgCdTe photomixer with a Tunable Diode Laser (TDL) and the evaluation of TDL's as a local oscillator in a heterodyne detection system [PDF]

Heterodyne systems would be much more versatile if a broadly tunable laser, such as a semiconductor diode laser (TDL), could be used as the local oscillator (LO).
Harward, C. N., Kindle, E. C.
core   +1 more source

A novel tunable multimodal bandpass filter

, 2011
This paper presents a novel uniplanar tunable bandpass filter. In this filter, each resonator can be reconfigured easily using PIN diodes or MEMS switches. Design equations are derived from a simple circuit model which takes into account the multimodal behavior of the coplanar waveguide.
Contreras Lizarraga, Adrián Arturo, Pradell i Cara, Lluís, Ribó, M.   +2 more
openaire   +1 more source