Güncel Gönderiler: MÜF, Elektrik-Elektronik Mühendisliği Bölümü Koleksiyonu
Toplam kayıt 162, listelenen: 61-80
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Low-cost multimode diode-pumped Tm:YAG and Tm:LuAG lasers
(2019)We report a continuous-wave operation of Tm:YAG and Tm:LuAG lasers pumped with a low-cost, multimode AlGaAs laser diode. First, the lifetime and the absorbance behavior of 5 mm, 6% Tm3+ -doped YAG and LuAG crystals were ... -
Heuristic algorithm-based estimation of rotor resistance of an induction machine by slot parameters with experimental veri cation
(2017)The estimations of induction machine equivalent circuit parameters are still being widely used in the analysis and in determining the characteristics of the machine. Since the most important part of the machine is the rotor ... -
QPSK-dual carrier modulation for ultra-wideband communication in body area network channels
(2019)Dual carrier modulation (DCM) using orthogonal frequency-division multiplexing (OFDM) improves the performance in multipath fading channels. In the literature DCM is proposed with 16-quadrature amplitude modulation (16QAM) ... -
Etkin epoklar ile motor hayaline dayalı EEG işaretlerinin sınıflandırma doğruluğunun artırılması
(2018)Beyin bilgisayar arayüzleri (BBA) sadece beyinde üretilen işaretleri kullanarak çeşitli elektronik cihazları kullanmayı olanaklı hale getiren sistemlerdir. Bu sistemlerin yüksek başarımlı olabilmesi için bu işaretlerden ... -
Kararlı durumda seri kapasitörlerin iletim şebekesine etkilerinin incelenmesi
(2019)Artan nüfus ve gelişen sanayi ile birlikte elektrik enerjisi ihtiyacı günden güne artmaktadır. Bu talebin karşılanması için yeni üretim tesisleri birincil enerji kaynaklarına yakın yerlerde kurulmakta ve iletim şebekesi ... -
Schottky diode fabrication via cold substrate evaporated ag on sol-gel derived ZnO ultra-thin films for semiconductor devices
(S.C. Virtual Company of Phisics S.R.L, 2020)ZnO thin films were grown on glass and SnO2 substrate by using Sol-gel method with a simple, low cost-temperature and high controlled away. ZnO thin films were contacted with Ag in two different temperatures at 200K (cold ... -
Efficient Tm:YAG and Tm:LuAG lasers pumped by red tapered diodes - 2
(OSA - The Optical Society, 2019)Eye-safe, diode-pumped all-solid-state lasers working in the 2 ?m region are favourable for many applications including remote sensing, medicine, and gas sensing. Tm-doped crystals such as Tm:YAG and Tm:LuAG are among the ... -
Efficient Tm:YAG and Tm:LuAG lasers pumped by 681 nm tapered diodes
(OSA - The Optical Society, 2019)In this paper, we present highly efficient continuous-wave (cw) laser operation of Tm:YAG and Tm:LuAG lasers pumped by high-brightness red tapered diodes. The single-emitter tapered diode lasers (TDLs) provide up to 1 W ... -
Efficient Tm:YAG and Tm:LuAG lasers pumped by red tapered diodes
(Institute of Electrical and Electronics Engineers Inc., 2019)Eye-safe, diode-pumped all-solid-state lasers working in the 2 ?m region are favourable for many applications including remote sensing, medicine, and gas sensing. Tm-doped crystals such as Tm:YAG and Tm:LuAG are among the ... -
Widely-tunable dual-wavelength Tm:YLF, Tm:LuAG, and Tm:YAG lasers
(Institute of Electrical and Electronics Engineers Inc., 2019)Dual-wavelength operation of lasers are attractive for many applications such as coherent terahertz wave generation, ultrahigh pulse repetition rate creation by optical beating, and laser ranging. Several methods could be ... -
Nanofibrous composites for sodium-ion batteries
(University of Ottawa Press, 2018)[No abstract available] -
The characteristic investigation of spray coated W incorporated in oxide thin films
(Allerton Press Incorporation, 2016)W incorporated tin oxide (TO) thin films were grown via spray pyrolysis with various tungsten contents. The films were observed to be polycrystalline tetragonal crystal nature with (301) and (211) preferential planes. From ... -
Solution and performance analysis of subset sum problem with a new metaheuristic approach
(TUBITAK, 2020)Subset sum problem was solved with two different metaheuristic approaches in the study. After these approaches, which are simulated annealing and genetic algorithms, a hybrid model of two methods was created and better ... -
Ekvatoral elektrojetin çok katmanli iletişim kanalı olarak modellenmesi ve FM radyo sinyalleri üzerindeki etkilerinin incelenmesi
(Institute of Electrical and Electronics Engineers Inc., 2017)Equatorial Electrojet is a narrow current stream flowing to the east during daytime hours in the low-latitude ionospheric E region. This current acts as a channel and can cause distortions in the signals used for passive ... -
Evaluation of structural and optical properties of Mn-Doped ZnO thin films synthesized by Sol-Gel technique
(Springer, 2012)Undoped ZnO and Mn-doped ZnO (MZO) films with 0.25, 0.50, and 0.75 mol pct were synthesized onto glass substrates by sol-gel spin-coating technique, and the effects of Mn on structural, morphologic, and optical properties ... -
W doped SnO2 growth via sol-gel routes and characterization: Nanocubes
(Elsevier Gmbh, 2013)The effects of W doping on the characteristical properties of SnO2 thin films prepared by sol-gel spin coating method were investigated. the SnO2 thin films were deposited at various W doping ratios and characterized by ... -
The effect of fluorine and tungsten co-doping on optical, electrical and structural properties of tin(IV) oxide thin films prepared by sol-gel spin coating method
(Technical Univ Wroclaw, 2013)Fluorine and tungsten co-doped tin(IV) oxide (WFTO) thin films have been prepared first time by a sol gel spin coating method. the effect of F and W co-dopant ratio on optical, electrical and structural properties of SnO2 ... -
Growth and characterization of Ag/n-ZnO/p-Si/Al heterojunction diode by sol-gel spin technique
(Elsevier Science Sa, 2013)Polycrystalline ZnO thin film was obtained on the p-Si for the heterojunction diode fabrication by sol-gel method. X-ray diffraction study showed that the texture of the film is hexagonal with a strong (002) preferred ... -
An investigation of the Nb doping effect on structural, morphological, electrical and optical properties of spray deposited F doped SnO2 films
(Iop Publishing Ltd, 2013)F and Nb + F co-doped SnO2 thin films were deposited on glass substrates by the spray pyrolysis method. the microstructural, morphological, electrical and optical properties of the 10 wt% F doped SnO2 (FTO) thin films were ...