Showing 181 - 200 results of 218 for search '"laser pump"', query time: 0.32s Refine Results
  1. 181

    Generation of Microsecond Ytterbium-Doped Fiber Laser Pulses using Bismuth Telluride Thin Film as Saturable Absorber by Salim, Muhammad Aizi Mat, Razak, Mohd Zulhakimi Ab, Azzuhri, Saaidal Razalli, Ismail, Mohd Afiq, Ahmad, Fauzan, Harun, Sulaiman Wadi

    Published 2019
    “…As a result, a self-starting Q-switching pulses were first occurred when the laser pumping power reached 88.6 mW. As the pump power level increased, the observed pulses repetition rates had increased steadily from 17 to 29.63 kHz. …”
    Article
  2. 182

    Brownian motion-induced amplitude noise in vapor-cell frequency standards by S Micalizio, A Godone, M Gozzelino, F Levi

    Published 2020-01-01
    “…We consider, in particular, laser pumped cell devices working in pulsed operation and using a resonant Gaussian light beam to detect the clock transition. …”
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    Article
  3. 183

    Analysis of photoluminescence decay kinetics of aluminum phthalocyanine nanoparticles interacting with immune cells by F. G. Bystrov, V. I. Makarov, D. V. Pominova, A. V. Ryabova, V. B. Loschenov

    Published 2016-04-01
    “…For measurements we used a registration system based on Hamamatsu streak camera (C10627-13 Hamamatsu Photonics) with picosecond temporal resolution (15 ps), conjugated with the fiberoptic spectrometer and picosecond laser pumping. The changes in fluorescence decay kinetics as additional lifetime components of fluorescence were found during the experiment. …”
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    Article
  4. 184

    Conceptual Design of a Laser Driver for a Plasma Accelerator User Facility by Guido Toci, Zeudi Mazzotta, Luca Labate, François Mathieu, Matteo Vannini, Barbara Patrizi, Leonida A. Gizzi

    Published 2019-08-01
    “…The laser consists of a multi-stage amplification chain based CPA Ti:Sapphire, using frequency doubled, diode laser pumped Nd or Yb solid state lasers as pump sources. …”
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    Article
  5. 185

    Optical rectification in 4H-SiC: paving the way to generate strong terahertz fields with ultra-wide bandwidth by Fangjie Li, Kai Zhong, Yiwen Zhang, Tong Wu, Yuxin Liu, Hongzhan Qiao, Jining Li, Degang Xu, Jianquan Yao

    Published 2023-01-01
    “…The theory accounts for the optimization of incident pulse pre-chirping in the TPF OR process under high-intensity femtosecond laser pumping. Compared with the currently recognized LiNbO3-based TPF OR, which generates a single-cycle terahertz pulse within 3 THz, 4H-SiC demonstrates a significant advantage in producing ultra-widely tunable (up to over 14 THz, TPF angle 31°–38°) terahertz waves with high efficiency (~10–2) and strong field (~MV/cm). …”
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    Article
  6. 186

    Study of Fe:ZnSe Laser Exited by Diode Side-Pumped Er:YAG Laser by Vladimir Kozlovsky, Marat Butaev, Yury Korostelin, Stanislav Leonov, Yan Skasyrsky, Mikhail Frolov

    Published 2023-07-01
    “…At the temperature of liquid nitrogen, the Fe:ZnSe laser, pumped by a free running 360-μs Er:YAG laser and demonstrated a pulse energy of 53 mJ with a slope efficiency of 42% relative to absorbed pump energy. …”
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    Article
  7. 187

    Silica effects on spectral and photophysical properties of rhodamine 6G in polyurethane matrix by T.V. Bezrodna, O.I. Antonenko, L.F. Kosyanchuk, O.M. Roshchin, V.I. Bezrodnyi, A.M. Negriyko, A.O. Yaskovets

    Published 2019-07-01
    “…Application of the organo-inorganic materials with the SiO2 concentration in polyurethane acrylate up to 8 mass % is shown to be promising for the development of efficient active elements for the dye lasers, pumped by the second harmonic of a neodymium laser.…”
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    Article
  8. 188

    Stereolithography assisted controllable random lasing device for tunable threshold, linewidth, and wavelength by Gummaluri, Venkata Siva, Matham, Murukeshan Vadakke

    Published 2023
    “…Although the feasibility of random lasing is shown in 3D-printed structures, a study on varying lasing properties using SLA printing technique with continuous wave laser pumping is not studied yet in depth. Herein, SLA is used to fabricate structures conducive for random lasing. …”
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    Journal Article
  9. 189

    Robust, high brightness, degenerate entangled photon source at room temperature by M. V. Jabir, G. K. Samanta

    Published 2017-10-01
    “…So far, this is the highest number of degenerate photons generated using a continuous-wave laser pumped bulk crystal and detected using multimode fiber. …”
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    Article
  10. 190

    Flexible acoustic particle manipulation device with integrated optical waveguide for enhanced microbead assays. by Glynne-Jones, P, J Boltryk, R, Hill, M, Zhang, F, Dong, L, Wilkinson, J, Melvin, T, R Harris, N, Brown, T

    Published 2009
    “…Acoustic radiation forces are used to manipulate polystyrene micro-beads into an optical evanescent field generated by a laser pumped ion-exchanged waveguide. The evanescent field only excites fluorophores brought within approximately 100 nm of the waveguide, allowing the system to differentiate between targets bound to the beads and those unbound and still held in suspension. …”
    Journal article
  11. 191

    Research of Transverse Mode Instability in High-Power Bidirectional Output Yb-Doped Fiber Laser Oscillators by Fengchang Li, Xinyi Ding, Peng Wang, Baolai Yang, Xiaoming Xi, Hanwei Zhang, Xiaolin Wang, Jinbao Chen

    Published 2023-08-01
    “…The results show that the TMI threshold of the bidirectional-output laser pumped by 981 nm LDs is much higher than that pump by 976 nm LDs, which means that the effective TMI suppression methods in the unidirectional output laser are also applicable in the bidirectional output laser. …”
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    Article
  12. 192

    Multi-Parameter Optimization of Rubidium Laser Optically Pumped Magnetometers with Geomagnetic Field Intensity by Kun Xu, Xiuyan Ren, Yujie Xiang, Mingxu Zhang, Xiang Zhao, Kexin Ma, Yaqi Tian, Dan Wu, Ziqiang Zeng, Guobao Wang

    Published 2023-11-01
    “…Rubidium laser optically pumped magnetometers (OPMs) are widely used magnetic sensors based on the Zeeman effect, laser pumping, and magnetic resonance principles. They measure the magnetic field by measuring the magnetic resonance signal passing through a rubidium atomic gas cell. …”
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    Article
  13. 193

    Dual-function switchable terahertz metamaterial device with dynamic tuning characteristics by Tianli Dong, Ying Zhang, You Li, Yupei Tang, Xunjun He

    Published 2023-02-01
    “…By manipulating the conductivity of photosensitive silicon through laser pumping, dynamic modulation of the amplitude in both functions is realized at the same time. …”
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    Article
  14. 194

    High Power Yb Fiber Laser With Picosecond Bursts and the Quasi-Synchronously Pumping for Efficient Midinfrared Laser Generation in Optical Parametric Oscillator by Peipei Jiang, Chengzhi Hu, Tao Chen, Pinghui Wu, Bo Wu, Ruhua Wen, Yonghang Shen

    Published 2016-01-01
    “…A fiber laser-pumped high-power burst-mode-operated picosecond mid-infrared (IR) laser at 3.8 μm is reported. …”
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    Article
  15. 195

    Optical Frequency Combs in Quadratically Nonlinear Resonators by Iolanda Ricciardi, Simona Mosca, Maria Parisi, François Leo, Tobias Hansson, Miro Erkintalo, Pasquale Maddaloni, Paolo De Natale, Stefan Wabnitz, Maurizio De Rosa

    Published 2020-02-01
    “…Quite recently, direct generation of optical frequency combs has been demonstrated in continuous-wave laser-pumped optical resonators with a second-order nonlinear medium inside. …”
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    Article
  16. 196

    Highly Efficient Mid-Infrared Generation from Low-Power Single-Frequency Fiber Laser Using Phase-Matched Intracavity Difference Frequency Mixing by Jiacheng Feng, Xi Cheng, Xiao Li, Peng Wang, Weihong Hua, Kai Han

    Published 2020-10-01
    “…Meanwhile, taking advantage of SF laser pumping, a narrow linewidth of 271 pm (5.9 GHz) in the mid-infrared region was achieved without adding any etalons or devices in the cavity.…”
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    Article
  17. 197

    Study of Temperature Effects on the Design of Active Region for 808 nm High-Power Semiconductor Laser by Shunhua Wu, Te Li, Zhenfu Wang, Lang Chen, Jiachen Zhang, Junyue Zhang, Jiachen Liu, Yeqi Zhang, Liting Deng

    Published 2023-01-01
    “…High-power, broad-area, semiconductor lasers are attractive sources for material processing, aerospace, and laser pumping. The design of the active region is crucial to achieve the required high power and electro-optical conversion efficiency, since the temperature significantly affects the performance of the quantum well, including the internal quantum efficiency and mode gain. …”
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    Article
  18. 198

    Increase of intrinsic emittance induced by multiphoton photoemission from copper cathodes illuminated by femtosecond laser pulses by Chenjie An, Rui Zhu, Jun Xu, Yaqi Liu, Xiaopeng Hu, Jiasen Zhang, Dapeng Yu

    Published 2018-05-01
    “…There would be an optimized photon energy value near the work function to obtain the lowest emittance for pulsed laser pumped photocathode.…”
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    Article
  19. 199

    Spectral broadening in tight confinement geometry of a random fiber laser by Sarmani, Abdul Rahman, Al-Alimi, Abdulmoghni Ali Wazae, Yusoff, N. Mohd, Mahdi, Mohd Adzir

    Published 2022
    “…We present a random Raman fiber laser pumped by a continuous-wave 1480nm source where neither a visible saturable absorber nor a fiber Bragg grating were incorporated. …”
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    Article
  20. 200

    Time- and angle-resolved photoelectron spectroscopy of strong-field light-dressed solids: Prevalence of the adiabatic band picture by Ofer Neufeld, Wenwen Mao, Hannes Hübener, Nicolas Tancogne-Dejean, Shunsuke A. Sato, Umberto De Giovannini, Angel Rubio

    Published 2022-08-01
    “…Here, we try to resolve this issue by performing theoretical experiments of time- and angle-resolved photoelectron spectroscopy (Tr-ARPES) for a strong-field laser-pumped solid, which should give access to the actual observable bands of the irradiated material. …”
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    Article