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An intracavity KTiOPO(4) (KTP) optical parametric oscillator (OPO) pumped by a simultaneously Q-switched and mode-locked (QML) Nd:Gd(3)Ga(5)O(12) (Nd:GGG) laser with an acousto-optic modulator (AOM) and a Cr(4+):YAG saturable absorber is presented. A minimum mode-locking pulse duration underneath th …
By applying a prepared 3 nm-thick tungsten diselenide (WSe 2) saturable absorber to an electro-optic (EO) modulated fundamental-light laser, an active and …
Vesinikuenergeetika oma kontseptsioonilt on energia salvestamine ning selle edastamine vesiniku kujul. Lähtepunktiks selle juures on vesiniku kõrge kütteväärtus . Vesinikku toodetakse hetkel peaasjalikult teistest kütustest, nagu maagaas, nafta, süsi.
Eesti esimene suuremahuline elektrienergia salvestamise projekt ehk Energiasalv on saanud rohelise tule ehituseks, millega hakatakse pihta 2024. aasta suvel. Mida projekt endast ette kujutab ning mida see energiaturul endaga kaasa toob, räägib Energiasalve juhatuse esimees Peep Siitam.
We demonstrate passive Q-switching and Q-switched mode locking of Pr 3+-doped fluoride lasers in the visible region using a Cr 4+:YAG saturable absorber. Intracavity frequency …
TÖÖJUHEND Töö eesmärk: uurida, kuidas on võimalik salvestada energiat vesinikku ja kasutada saadud vesinikku energiaallikana. Vajalikud vahendid: PEM-kütuseelement gaasikogumissüsteem (plastist veeanumad „H 2" ja „O 2" koos gaasikuplitega)
Kondensaatorenergiasalvesti Kondensaatoreid elektrienergia salvestitena on mitmeid tüüpe: a) plaatkondensaator (lihtsaim kondensaator); b) elektrolüütkondensaatorid; c) ülikondensaatorid (). Käesolevalt on rõhuasetus Ülikondensaatoritel. Ülikondensaatori peamiseks eeliseks on selle kiire laadimis- ja tühjenemistsükkel ning väga pikk eluiga …
Advances in Physics Theories and Applications ISSN 2224-719X (Paper) ISSN 2225-0638 (Online) Vol.60, 2016 27 In general, the build-up time of Q-switched laser pulse is
In this paper, the stabilization and high efficiency of an unstable Second Harmonic Generation (SHG) of a Nd : YVO4 laser with a KTP intracavity is carried out by using a passive ...
： We have demonstrated high-average-power second-harmonic generation with an output power of 5.6 W at 532 nm by intracavity frequency doubling using Type II KTiOPO(4) in a Nd:YAG laser oscillator acousto-optically Q switched at 5 …
Intense lensless intracavity focusing in a saturable absorber Q-switched all-fiber laser resonator by use of loss arrangement and mode-field-area mismatch between the fibers is investigated for the first time. The intracavity power distribution was related to the ...
A compact high-power yellow pulsed laser has been demonstrated by use of intracavity sum-frequency mixing in a diode-end-pumped Q-switched Nd:YVO 4 dual-wavelength laser. A three-mirror configuration forming two separate laser cavities is used to optimize the gain match for simultaneous dual-wavelength emission in Q-switched operation.
Artikkel Energia salvestamise tehnoloogiad kirjeldab erinevaid tehnoloogiaid, kuidas energiat salvestada, akumuleerida. Eesti olud ning tehnoloogia maksumus Seotud artiklid: Hüdroenergia ressurss Eesti tingimustes peetakse kõige sobivamaks tehnoloogiaks PHAJ ehitamist. ehitamist.
Summary from only given. We report on a compact efficient scheme to generate 593 nm laser based on intracavity sum frequency mixing (SFM) of a diode pumped Q-switched Nd:YVO/sub 4/ dual wavelength laser.
A non-critically phase-matched KTiOPO4 optical parametric oscillator (OPO) intracavity pumped by a laser diode end-pumped acousto-optically Q-switchedNd:YAG laser is experimentally demonstrated. The highest average power is obtained at the pulse repetition rate (PRR) of around 15 kHz, which is different from the widely reported Nd:YVO4 laser …
Intracavity frequency doubling at 261nm of an actively Q-switched Pr:LiYF 4 laser. In 2013 Conference on Lasers and Electro-Optics Pacific Rim, CLEO-PR 2013 Article 6600462 (Pacific Rim Conference on Lasers and Electro-Optics, CLEO - Technical Digest).
The slope efficiency of the intracavity diamond laser is improved by optimizing the output coupling rate and adjusting the repetition rate of the 1064 nm fundamental laser. …
Kui energia tootmine ületab tarbimise (nt. tugev tuul) tekib vajadus ülejäänud energia salvestamiseks, et hoida seda ajaks mil tuulevaikusest või tarbimise kasvust tingituna on vaja rohkem energiat kui turbiinid antud hetkel toota suudavad. Väiksemate ja autonoomsete ...
A laser diode (LD) pumped intracavity chemical vapor deposition (CVD) diamond cascade Raman laser is reported here. By rotating a Brewster plate (BP) in the laser resonator, the Raman laser with tunable output coupling rate is achieved. The highly compact diamond laser emitted 1240 nm and 1485 nm St …
Abstract. An intracavity, second-harmonic generation, tunable, dual-frequency, passively Q-switched Nd:YAG laser based on a T-resonator configuration with polarization splitting is proposed, whose frequency difference could be doubled in comparison with fundamental lasing. The Nd:YAG, Cr4 + : YAG, and potassium titanyl phosphate (KTP) crystals were …
The ongoing advancement of Ti:sapphire femtosecond laser technology has drawn increasing attention to high repetition rate, high-energy green lasers as ideal pump sources for Ti:sapphire regenerative amplifiers. This study employed a neodymium-doped yttrium lithium fluoride (Nd:YLF) as the gain medium, supplemented with side-pumped laser …
The output behavior of a Nd:YAG solid-state laser actively Q-switched by a MEMS scanning micromirror is presented. Using a gold-coated micromirror, maximum average output powers of 50 mW and pulse durations as short as 120 ns were obtained with a dual beam output. This output pattern originates from a pulse emission when the micromirror is at an angle …
We report a high-average-power acousto-optic (AO) Q-switched intracavity frequency-doubled red laser based on a high-efficiency light-emitting-diode (LED) pumped two-rod Nd,Ce:YAG laser module. Under quasi-continuous wave operation conditions, a maximum output power of 1319.08 nm wavelength was achieved at 11.26 W at a repetition rate of …
In this paper, the model of an intracavity Q-switched second order Raman laser is established, the characteristics of the output 2nd Stokes are simulated. The dynamic …
Intracavity supercontinuum generation based on self-Q-switch assisted by stimulated Brillouin scattering is experimentally demonstrated from an all-fiber Ytterbium laser in the …
We studied a Nd:KGd(WO/sub 4/)/sub 2/ laser (/spl lambda/ = 1.067 /spl mu/m, flash-lamp pumping) with KTiOPO/sub 4/ (KTP) serving as both an intracavity electrooptic Q-switch and frequency doubler. An alternating electric field was applied along the z-axis of KTP. The considerable increase in the efficiency of the frequency doubling was achieved for the …
We report actively Q-switched deep ultra-violet laser operation at 261nm by intracacity frequency doubling of InGaN laser diode pumped Pr:LiFY4 laser. We obtained a maximum peak power of 61.6W(8.7 μJ/pulse) at 261 nm.
Q-Switched Tm:YAG Laser Intracavity-Pumped by a 1064nm Laser MA Qing-Lei 1,3, ZONG Nan 1,3, XIE Shi-Yong 1,3, YANG Feng 1,3, GUO Ya-Ding 2, XU Jia-Lin 2, BO Yong 2, PENG Qin-Jun 2, CUI Da-Fu 2, XU Zu-Yan 2 1 Laboratory of Optical Physics, Institute of Physics, Chinese Academy of Sciences, Beijing 100190 2 RCLPT, Key Lab of Functional …
The data points represent the calculated intracavity peak power fluence for the laser configurations studied. The horizontal line corresponds to the calculated damage …
An intracavity, second-harmonic generation, tunable, dual-frequency, passively Q-switched Nd:YAG laser based on a T-resonator configuration with polarization splitting is proposed, whose frequency difference could be doubled in comparison with fundamental lasing. The Nd:YAG, Cr<SUP>4 + </SUP> : YAG, and potassium titanyl phosphate (KTP) crystals …
We report on a compact efficient diode pumped passively Q-switched Nd:GdVO4/Cr4+:YAG/PPLN intracavity optical parametric oscillator (OPO) with a shared-resonator configuration. Experimental results reveal that the amplitude stability of the shared-resonator configuration is substantially superior to that of the conventional …
Mode locking has been obtained in the case of a Q-spoiled solid state laser by intracavity phase modulation. The modulation depth of the laser emission depends on the applied phase retardation amplitude and on the initial population inversion. References (7) M. ...
We report on the generation of a stable multiwavelength Q-switched erbium-doped fiber laser based on tungsten oxide nanoparticles (WO 3 NPs) combined with an intracavity comb filter for the first time, to the best of our knowledge. The prepared WO 3-PVA thin film has a modulation depth and saturable intensity of 20% and 100 MW/cm 2, respectively.
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