All Stories

  1. Gyrotrons

    Article • August 2020, MDPI AG

    Dr Svilen P Sabchevski

  2. Gyrotron-Based Technological Systems for Material Processing—Current Status and Prospects

    Article • Journal of Infrared Millimeter and Terahertz Waves, July 2020, Springer Science + Business Media

    Dr Svilen P Sabchevski

  3. Activated Natural Zeolite Membrane for Separating Dissolved Impurities in Coconut Sap

    Article • Materials Science Forum, July 2020, Trans Tech Publications

    Dr Svilen P Sabchevski

  4. Nonlinear excitation of parasitic modes in harmonic gyrotrons

    Article • Physics of Plasmas, June 2020, American Institute of Physics

    Dr Svilen P Sabchevski

  5. The Gyrotrons as Promising Radiation Sources for THz Sensing and Imaging

    Article • Applied Sciences, February 2020, MDPI AG

    Dr Svilen P Sabchevski

  6. Structural characterization of mixed local material for a ceramic porcelain insulator

    Article • IOP Conference Series Materials Science and Engineering, November 2019, Institute of Physics Publishing

    Dr Svilen P Sabchevski

  7. An Experimental Investigation of a 0.8 THz Double-Beam Gyrotron

    Article • Journal of Infrared Millimeter and Terahertz Waves, October 2019, Springer Science + Business Media

    Dr Svilen P Sabchevski

  8. An Experimental Investigation of a 0.8 THz Gyrotron with an Improved Mode Selection

    Article • September 2019, Institute of Electrical & Electronics Engineers (IEEE)

    Dr Svilen P Sabchevski

  9. Reduction behavior of medium grade manganese ore from Karangnunggal during a sintering process in methane gas

    Article • IOP Conference Series Materials Science and Engineering, August 2019, Institute of Physics Publishing

    Dr Svilen P Sabchevski

  10. High Purity Mode CW Gyrotron Covering the Subterahertz to Terahertz Range Using a 20 T Superconducting Magnet

    Article • IEEE Transactions on Electron Devices, August 2018, Institute of Electrical & Electronics Engineers (IEEE)

    Dr Svilen P Sabchevski

  11. Automated Temperature Control with Adjusting Outlet Valve of Fuel in the Process of Cooking Palm Sugar

    Article • IOP Conference Series Materials Science and Engineering, April 2018, Institute of Physics Publishing

    Dr Svilen P Sabchevski

  12. Modelling, simulation and computer-aided design (CAD) of gyrotrons for novel applications in the high-power terahertz science and technologies

    Article • Journal of Physics Conference Series, March 2018, Institute of Physics Publishing

    Dr Svilen P Sabchevski

  13. Volumetric Microwave Heating of Mullite Ceramic Using a 28 GHz Gyrotron

    Article • International Journal of Materials Science and Engineering, March 2018, International Academy Publishing (IAP)

    Dr Svilen P Sabchevski

  14. Investigation on the Particle Growth of Rutile TiO2 Suppressed by Manganese

    Article • MATEC Web of Conferences, January 2018, EDP Sciences

    Dr Svilen P Sabchevski

  15. Formation and Particle Growth of TiO2 in Silica Xerogel Glass Ceramic During a Sintering Process

    Article • International Journal of Technology, December 2017, International Journal of Technology

    Dr Svilen P Sabchevski

  16. Beam–Wave Interaction From FEL to CARM and Associated Scaling Laws

    Article • IEEE Transactions on Electron Devices, October 2017, Institute of Electrical & Electronics Engineers (IEEE)

    Dr Svilen P Sabchevski

  17. A novel THz-band double-beam gyrotron for high-field DNP-NMR spectroscopy

    Article • Review of Scientific Instruments, September 2017, American Institute of Physics

    Dr Svilen P Sabchevski, Alexei Kuleshov

  18. Fast Microwave-assisted Pretreatment for Bioconversion of Sawdust Lignocellulose to Glucose

    Article • Journal of Physics Conference Series, May 2017, Institute of Physics Publishing

    Dr Svilen P Sabchevski

  19. Banana peel reductant for leaching medium grade manganese ore in sulfuric acid solution

    Article • January 2017, American Institute of Physics

    Dr Svilen P Sabchevski

  20. Development and Application of Gyrotrons at FIR UF

    Article • IEEE Transactions on Plasma Science, January 2017, Institute of Electrical & Electronics Engineers (IEEE)

    Dr Svilen P Sabchevski

  21. Structural Characterization of a Glass Ceramic Developed from TiO2 and a Novel Material-Silica Xerogel Converted from Sago Waste Ash

    Article • Materials Science Forum, September 2016, Trans Tech Publications

    Dr Svilen P Sabchevski

  22. Densification Behavior of SnO2-Glass Composites Developed from the Incorporate of Silica Xerogeland SnO2

    Article • International Journal of Technology, April 2016, International Journal of Technology

    Dr Svilen P Sabchevski

  23. Combined Hyperthermia and Photodynamic Therapy Using a Sub-THz Gyrotron as a Radiation Source

    Article • Journal of Infrared Millimeter and Terahertz Waves, April 2016, Springer Science + Business Media

    Dr Svilen P Sabchevski

  24. High thermal behavior of a new glass ceramic developed from silica xerogel/SnO2 composite

    Article • January 2016, American Institute of Physics

    Dr Svilen P Sabchevski

  25. Development of THz Gyrotrons at IAP RAS and FIR UF and Their Applications in Physical Research and High-Power THz Technologies

    Article • IEEE Transactions on Terahertz Science and Technology, September 2015, Institute of Electrical & Electronics Engineers (IEEE)

    Dr Svilen P Sabchevski

  26. Crystalline mullite formation from mixtures of alumina and a novel material—Silica xerogel converted from sago waste ash

    Article • Ceramics International, June 2015, Elsevier

    Dr Svilen P Sabchevski

  27. A Numerical Study on Finite-Bandwidth Resonances of High-Order Axial Modes (HOAM) in a Gyrotron Cavity

    Article • Journal of Infrared Millimeter and Terahertz Waves, April 2015, Springer Science + Business Media

    Dr Svilen P Sabchevski

  28. Structure Formation of a Double Sintered Nanocrystalline Silica Xerogel Converted From Sago Waste Ash

    Article • Transactions of the Indian Ceramic Society, January 2015, Taylor & Francis

    Dr Svilen P Sabchevski

  29. Modelling and simulation of gyrotrons for ITER

    Article • Journal of Physics Conference Series, June 2014, Institute of Physics Publishing

    Dr Svilen P Sabchevski

  30. Current status of the development of the problem-oriented software package GYREOSS

    Article • Journal of Physics Conference Series, May 2014, Institute of Physics Publishing

    Dr Svilen P Sabchevski

  31. Formation of porous clay ceramic using sago waste ash as a prospective additive material with controllable milling

    Article • Science of Sintering, January 2014, National Library of Serbia

    Dr Svilen P Sabchevski

  32. An advanced novel ceramic material

    Article • Advanced Materials Research, September 2013, Trans Tech Publications

    Dr Svilen P Sabchevski

  33. Development of high frequency Gyrotrons in FIR FU covering sub-THz to THz range for applications to high power THz spectroscopy

    Article • June 2013, Institute of Electrical & Electronics Engineers (IEEE)

    Dr Svilen P Sabchevski

  34. Microstructural and Thermal Properties of Nanocrystalline Silica Xerogel Powders Converted from Sago Waste Ash Material

    Article • Materials Science Forum, January 2013, Trans Tech Publications

    Dr Svilen P Sabchevski

  35. A Dual-Beam Irradiation Facility for a Novel Hybrid Cancer Therapy

    Article • Journal of Infrared Millimeter and Terahertz Waves, November 2012, Springer Science + Business Media

    Dr Svilen P Sabchevski

  36. Structural and Microwave Properties of Silica Xerogel Glass-Ceramic Sintered by Sub-millimeter Wave Heating using a Gyrotron

    Article • Journal of Infrared Millimeter and Terahertz Waves, July 2012, Springer Science + Business Media

    Dr Svilen P Sabchevski

  37. Direct Observation of the Hyperfine Transition of Ground-State Positronium

    Article • Physical Review Letters, June 2012, American Physical Society (APS)

    Dr Svilen P Sabchevski

  38. Simulation tools for computer-aided design and numerical investigations of high-power gyrotrons

    Article • Journal of Physics Conference Series, March 2012, Institute of Physics Publishing

    Dr Svilen P Sabchevski

  39. Development and Applications of High—Frequency Gyrotrons in FIR FU Covering the sub-THz to THz Range

    Article • Journal of Infrared Millimeter and Terahertz Waves, January 2012, Springer Science + Business Media

    Dr Svilen P Sabchevski

  40. Direct Measurement of Positronium HyperFine Structure: ∼ A New Horizon of Precision Spectroscopy Using Gyrotrons ∼

    Article • Journal of Infrared Millimeter and Terahertz Waves, January 2012, Springer Science + Business Media

    Dr Svilen P Sabchevski

  41. The first direct observation of positronium hyperfine splitting

    Article • January 2012, American Institute of Physics

    Dr Svilen P Sabchevski

  42. First observation of o-Ps to p-Ps transition and first direct measurement of positronium hyperfine splitting with sub-THz light

    Article • Hyperfine Interactions, October 2011, Springer Science + Business Media

    Dr Svilen P Sabchevski

  43. Direct measurement of positronium hyperfine splitting — Testing fundamental physics with sub-THz gyrotron

    Article • October 2011, Institute of Electrical & Electronics Engineers (IEEE)

    Dr Svilen P Sabchevski

  44. Development of sub-terahertz gyrotrons for novel applications

    Article • October 2011, Institute of Electrical & Electronics Engineers (IEEE)

    Dr Svilen P Sabchevski

  45. Preparation of Porous Ceramic with Controllable Additive and Firing Temperature

    Article • Advanced Materials Research, July 2011, Trans Tech Publications

    Dr Svilen P Sabchevski

  46. Rapid Sintering of Silica Xerogel Ceramic Derived from Sago Waste Ash Using Sub-millimeter Wave Heating with a 300 GHz CW Gyrotron

    Article • Journal of Infrared Millimeter and Terahertz Waves, May 2011, Springer Science + Business Media

    Dr Svilen P Sabchevski

  47. First observation of o-Ps to p-Ps transition and first direct measurement of positronium hyperfine splitting with sub-THz light

    Article • January 2011, Springer Science + Business Media

    Dr Svilen P Sabchevski

  48. New Experiment for the First Direct Measurement of Positronium Hyperfine Splitting with Sub-THz Light

    Article • Materials Science Forum, December 2010, Trans Tech Publications

    Dr Svilen P Sabchevski

  49. Sago Waste Based Activated Carbon Film as an Electrode Material for Electric Double Layer Capacitor~!2009-08-22~!2010-08-18~!2010-09-16~!

    Article • The Open Materials Science Journal, September 2010, Bentham Science Publishers

    Dr Svilen P Sabchevski

  50. Gyrotrons FU CW V and FU CW VIII for measurement of hyperfine structure of positronium

    Article • September 2010, Institute of Electrical & Electronics Engineers (IEEE)

    Dr Svilen P Sabchevski

  51. Development of a compact sub-terahertz second-harmonic gyrotron

    Article • September 2010, Institute of Electrical & Electronics Engineers (IEEE)

    Dr Svilen P Sabchevski

  52. Design of an Optimized Resonant Cavity for a Compact Sub-Terahertz Gyrotron

    Article • Journal of Infrared Millimeter and Terahertz Waves, August 2010, Springer Science + Business Media

    Dr Svilen P Sabchevski

  53. Design of a Compact Sub-Terahertz Gyrotron for Spectroscopic Applications

    Article • Journal of Infrared Millimeter and Terahertz Waves, June 2010, Springer Science + Business Media

    Dr Svilen P Sabchevski

  54. Precise measurement of the HFS of positronium using the zeeman effect I: Experimental set-up and RF system

    Article • Journal of Physics Conference Series, April 2010, Institute of Physics Publishing

    Dr Svilen P Sabchevski

  55. Precise measurement of HFS of positronium using Zeeman effect

    Article • Journal of Physics Conference Series, April 2010, Institute of Physics Publishing

    Dr Svilen P Sabchevski

  56. Experiment for the first direct measurement of the hyperfine splitting of positronium

    Article • Journal of Physics Conference Series, April 2010, Institute of Physics Publishing

    Dr Svilen P Sabchevski

  57. Probing the energy structure of positronium with a 203 GHz Fabry-Perot Cavity

    Article • Journal of Physics Conference Series, January 2010, Institute of Physics Publishing

    Dr Svilen P Sabchevski

  58. Pre- and post-processing of data for simulation of gyrotrons by the GYREOSS software package

    Article • Journal of Physics Conference Series, January 2010, Institute of Physics Publishing

    Dr Svilen P Sabchevski

  59. Design of a 100 kW-384 GHz second harmonic gyrotron

    Article • September 2009, Institute of Electrical & Electronics Engineers (IEEE)

    Dr Svilen P Sabchevski

  60. The potential of the gyrotrons for development of the sub-terahertz and the terahertz frequency range — A review of novel and prospective applications

    Article • Thin Solid Films, December 2008, Elsevier

    Dr Svilen P Sabchevski

  61. Resonant Cavities for Frequency Tunable Gyrotrons

    Article • International Journal of Infrared and Millimeter Waves, October 2007, Springer Science + Business Media

    Dr Svilen P Sabchevski

  62. Simulation of Mode Interaction in the Gyrotron FU CW I

    Article • International Journal of Infrared and Millimeter Waves, October 2007, Springer Science + Business Media

    Dr Svilen P Sabchevski

  63. Modelling and simulation of new generation powerful gyrotrons for the fusion research

    Article • Journal of Physics Conference Series, April 2007, Institute of Physics Publishing

    Dr Svilen P Sabchevski

  64. Quasi-optical converters for high-power gyrotrons: a brief review of physical models, numerical methods and computer codes

    Article • Journal of Physics Conference Series, July 2006, Institute of Physics Publishing

    Dr Svilen P Sabchevski

  65. Development of new generation software tools for simulation of electron beam formation in novel high power gyrotrons

    Article • Journal of Physics Conference Series, July 2006, Institute of Physics Publishing

    Dr Svilen P Sabchevski

  66. Conceptual Design Study of a Novel Gyrotron for NMR/DNP Spectroscopy

    Article • International Journal of Infrared and Millimeter Waves, August 2005, Springer Science + Business Media

    Dr Svilen P Sabchevski

  67. Cyclotron Autoresonance with TE and TM Guided Waves

    Article • International Journal of Infrared and Millimeter Waves, April 2005, Springer Science + Business Media

    Dr Svilen P Sabchevski

  68. Modelling and simulation of gyrotrons

    Article • Vacuum, March 2005, Elsevier

    Dr Svilen P Sabchevski

  69. Development of a high harmonic gyrotron with an axis-encircling electron beam and a permanent magnet

    Article • Vacuum, March 2005, Elsevier

    Dr Svilen P Sabchevski

  70. A High Harmonic Gyrotron With an Axis-Encircling Electron Beam and a Permanent Magnet

    Article • IEEE Transactions on Plasma Science, June 2004, Institute of Electrical & Electronics Engineers (IEEE)

    Dr Svilen P Sabchevski

  71. Article • International Journal of Infrared and Millimeter Waves, January 2003, Springer Science + Business Media

    Dr Svilen P Sabchevski

  72. Article • International Journal of Infrared and Millimeter Waves, January 2002, Springer Science + Business Media

    Dr Svilen P Sabchevski

  73. Article • International Journal of Infrared and Millimeter Waves, January 2002, Springer Science + Business Media

    Dr Svilen P Sabchevski

  74. Potential distribution and space-charge neutralization in technological intense electron beams — an overview

    Article • Vacuum, June 2001, Elsevier

    Dr Svilen P Sabchevski

  75. Gyrotron FU series — current status of development and applications

    Article • Vacuum, June 2001, Elsevier

    Dr Svilen P Sabchevski

  76. Design of a large orbit gyrotron with a permanent magnet system

    Article • Vacuum, June 2001, Elsevier

    Dr Svilen P Sabchevski

  77. Design of a system converting an output radiation of frequency tunable gyrotron into a gaussian beam

    Article • International Journal of Electronics, November 2000, Taylor & Francis

    Dr Svilen P Sabchevski

  78. Article • International Journal of Infrared and Millimeter Waves, January 2000, Springer Science + Business Media

    Dr Svilen P Sabchevski

  79. Modelling and simulation of beam formation in electron guns

    Article • Nuclear Instruments and Methods in Physics Research Section A Accelerators Spectrometers Detectors and Associated Equipment, November 1996, Elsevier

    Dr Svilen P Sabchevski

  80. An analysis of electron guns for welding

    Article • Journal of Physics D Applied Physics, June 1996, Institute of Physics Publishing

    Dr Svilen P Sabchevski

  81. Computer-Aided Design of Technological Electron-Optical Systems

    Article • January 1995, Springer Science + Business Media

    Dr Svilen P Sabchevski

  82. Computer simulation of electron beams

    Article • Journal of Physics D Applied Physics, April 1994, Institute of Physics Publishing

    Dr Svilen P Sabchevski