Results 61 to 70 of about 953,076 (315)

A 1319nm diode-side-pumped NdYAG laser Q-switched with graphene oxide

open access: yes, 2013
We have demonstrated a diode-side-pumped Q-switched Nd:YAG laser operating at 1319nm with a saturable absorber of graphene oxide fabricated by the vertical evaporation method.
Sun, Wei   +10 more
core   +1 more source

Enhanced Q-switched pulse generation at 1.5 µm in erbium-doped fiber laser using Thin-Film Dititanium Tin Carbide as a saturable absorber

open access: yesResults in Optics, 2023
In this study, we demonstrate the utilization of a saturable absorber (SA) based on the Thin-Film Dititanium Tin Carbide (Ti2SnC), a novel MAX phase material, in a Q-switched erbium-doped fiber laser (EDFL) operating at 1.5 µm. The Ti2SnC was effectively
Ayden Victory Haoken   +2 more
doaj   +1 more source

ESR1 methylation and ESR1 mutations in circulating tumor cells (CTCs) and paired plasma‐cfDNA of advanced breast cancer patients: A feasibility proof‐of‐concept study

open access: yesMolecular Oncology, EarlyView.
Circulating tumor cells (CTCs) and plasma cell‐free DNA (cfDNA) were analyzed to detect ESR1 mutations and methylation in patients with advanced breast cancer. CTC‐derived DNA showed higher sensitivity for mutation detection and revealed complementary genetic and epigenetic alterations, highlighting the added value of CTC analysis for understanding ...
Dimitra Stergiopoulou   +12 more
wiley   +1 more source

Q-switched fibre laser using Samarium oxide for C-band region [PDF]

open access: yes, 2021
We demonstrated the usage of samarium oxide (Sm2O3) polymer film as a saturable absorber (SA) for generating stable Q-switched fibre laser at the C-band region.
Fatheli, Mohamad Haireen   +5 more
core  

Numerical simulation for generation of stable single mode-locked pulses from QML laser with EO modulator and V3+:YAG

open access: yesResults in Physics, 2018
The instability of mode-locked pulses underneath Q-switched envelop limits the applications of Q-switched and mode-locked (QML) lasers. In this paper we present a developed theoretical model for QML laser at 1.3 µm.
Gang Zhang, Zhiyong Jiao, Xianfeng Xu
doaj   +1 more source

Tumor B‐cell infiltration in platinum‐treated advanced muscle‐invasive urothelial carcinoma

open access: yesMolecular Oncology, EarlyView.
Bladder tumors with higher pretreatment memory B‐cell infiltration were linked to longer survival after cisplatin chemotherapy, but not carboplatin. These tumors also showed more organized immune structures (tertiary lymphoid structures) and a shared pro‐inflammatory B‐cell‐rich community, suggesting that memory B cells may help identify patients most ...
Konrad Stawiski   +10 more
wiley   +1 more source

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

open access: yesFEBS 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

Critical review of converter topologies for switched reluctance motor drives [PDF]

open access: yes, 2007
This paper represents an overall literature review of SRM convenient drive circuit topologies with the proposal of a new topology utilizing switched capacitance circuit.
Elwakil, ES, Darwish, MK
core  

A STUDY OF SOLID STATE LASER PASSIVE OPTICAL Q-SWITCHING OPERATION REGIME (Part 1) [PDF]

open access: yesINCAS Bulletin, 2009
This paper is the first of a four series treating, theoretically with experimental comparison, the issue of solid state laser passive optical Q-switching regime.
Ion LĂNCRĂNJAN
doaj   +1 more source

Diode-pumped Alexandrite lasers in Q-switched and cavity-dumped Q-switched operation

open access: yesOptics Express, 2016
We present the first study of Q-switched Alexandrite lasers under continuous-wave diode-pumping with operation up to 10 kHz repetition rates in TEM00, with spatial quality M2 1.15. With a pulsed-diode dual-end-pumped design, pulse energy is scaled to a record level of 3 mJ.
Thomas, GM   +3 more
openaire   +3 more sources

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