Results 251 to 260 of about 30,402 (331)

Light‐Activated Ruthenium Nanoclusters Reprogram the Metabolic‐Quorum Sensing Axis for Precision Periodontitis Therapy

Advanced Science, EarlyView.
Under 660 nm visible light, Ru NCs efficiently photocatalyze nitrate‐to‐ammonium conversion and modulate oral nitrogen metabolism. They precisely perturb Veillonella parvula, block its key support to Porphyromonas gingivalis, and exert an “inhibiting without killing” antivirulence effect.
Jing Zhou, Xiaolin Sun, Chengyu Liu, Yujia Shi, Meiqi Li, Meng Bo, Jingjie Zhai, Chunyan Li, Zhennan Wu, Xue Bai, Lin Wang   +10 more
wiley   +1 more source

Antimicrobial activity of Nd: YAG irradiation, laser activated photodynamic therapy and passive ultrasonic irrigation on enterococcus faecalis biofilms (an ex vivo study). [PDF]

BMC Oral Health
El Gazar SM, El Backly RN, Lotfy WA, Moussa SM, Mobarak AM.   +4 more
europepmc   +1 more source

AI-enhanced inverse design of photonic crystal fiber optical modulator using deep reinforcement learning technique. [PDF]

Sci Rep
Dawood NYM, Younis BM, Hameed MFO, El-Mikati HA, Obayya SSA, Areed NFF.   +5 more
europepmc   +1 more source

Pulsed Raman Lasing in Diode-Pumped Multimode Graded-Index Fiber with Tuned Femtosecond-Laser-Inscribed Bragg Grating. [PDF]

Micromachines (Basel)
Kuznetsov AG, Terentyev VS, Dostovalov AV, Nemov IN, Babin SA.   +4 more
europepmc   +1 more source

Compliant Glass Mechanism Instrumented with a Bragg Grating to Measure Indentation Force. [PDF]

Micromachines (Basel)
Marchandise M, Chafai A, Caucheteur C, Lambert P.   +3 more
europepmc   +1 more source

A rigorous theoretical model of fluorescence-based fiber optic sensors: application to D-shaped fibers. [PDF]

Sci Rep
Baghapour S, Zhang WQ, Warren-Smith SC, Plush SE, Afshar V S.   +4 more
europepmc   +1 more source

The nucleus accumbens shell regulates hedonic feeding via a rostral hotspot. [PDF]

Elife
Marinescu AM, Kamal E, Leary P, Navarro I Batista K, Klug M, Savić N, Le Foll C, Labouesse MA.   +7 more
europepmc   +1 more source

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Random Fiber Laser Hydrophone

27th International Conference on Optical Fiber Sensors, 2022
To the best of our knowledge, this is the first time that random fiber laser is used for underwater acoustic detection. The results show a better stability than DFB fiber laser hydrophone.
Meng Tian, Wentao Zhang, Bing Lv
openaire   +2 more sources

Quasi-kilowatt random fiber laser

Optics Letters, 2019
The random distributed-feedback Raman fiber laser (RRFL) is a new approach to obtain a high-power laser. In this Letter, we report a RRFL with quasi-kilowatt output power for the first time based on a half-open cavity. It consists of a piece of a large-mode-area passive fiber with a core diameter of 20 μm and a high-reflectivity fiber Bragg grating ...
Jiaxin Song, Han Wu, Jian Wu
exaly   +2 more sources

Random fiber laser directly pumped by a high-power laser diode

Optics Letters, 2013
A random lasing based on Rayleigh scattering (RS) in a passive fiber directly pumped by a high-power laser diode (LD) has been demonstrated. Owing to the RS-based random distributed feedback (RDFB) the low-quality LD beam (938 nm) is converted into the high-quality laser output (980 nm). Because of the relatively low excess above the threshold with the
S I Kablukov
exaly   +3 more sources