J Krupka

Best Publications

• Frequency domain complex permittivity measurements at microwave frequencies

  Unknown

  391
  Citations

• Complex permittivity of some ultralow loss dielectric crystals at cryogenic temperatures

  Jerzy Krupka;Krzysztof Derzakowski;Michael Tobar;John Hartnett

  371
  Citations

• Complex permittivity measurements of common plastics over variable temperatures

  Unknown

  245
  Citations

• Dielectric properties of single crystals of Al/sub 2/O/sub 3/, LaAlO/sub 3/, NdGaO/sub 3/, SrTiO/sub 3/, and MgO at cryogenic temperatures

  Unknown

  226
  Citations

• Uncertainty of complex permittivity measurements by split-post dielectric resonator technique

  Unknown

  214
  Citations

• Dielectric characterization of low-loss materials a comparison of techniques

  Unknown

  204
  Citations

• Lithium tantalate - a high permittivity dielectric material for microwave communication systems

  M.V. Jacob;J.G. Hartnett;J. Mazierska;J. Krupka

  181
  Citations

• Anisotropic complex permittivity measurements of mono-crystalline rutile between 10 and 300 K

  Michael Edmund Tobar;Jerzy Krupka;Eugene Nicolay Ivanov;Richard Alex Woode

  157
  Citations

• Surface resistance measurements of HTS films by means of sapphire dielectric resonators

  Unknown

  126
  Citations

• Measurements of the complex permittivity of microwave circuit board substrates using split dielectric resonator and reentrant cavity techniques

  Unknown

  101
  Citations

• Study of whispering gallery modes in anisotropic single-crystal dielectric resonators

  Unknown

  91
  Citations

• Microwave dielectric properties of single-crystal quantum paraelectrics KTaO3 and SrTiO3 at cryogenic temperatures

  Richard G. Geyer;Bill Riddle;Jerzy Krupka;Lynn A. Boatner

  81
  Citations

• Contactless Measurements of Resistivity of Semiconductor Wafers Employing Single-Post and Split-Post Dielectric-Resonator Techniques

  Unknown

  78
  Citations

• Precise measurements of the complex permittivity of dielectric materials at microwave frequencies

  Unknown

  65
  Citations

• High-Q sapphire-rutile frequency-temperature compensated microwave dielectric resonators

  M.E. Tobar;J. Krupka;J.G. Hartnett;E.N. Ivanov

  63
  Citations

• Room temperature measurement of the anisotropic loss tangent of sapphire using the whispering gallery mode technique

  J.G. Hartnett;M.E. Tobar;E.N. Ivanov;J. Krupka

  60
  Citations

• Extremely high-Q factor dielectric resonators for millimeter-wave applications

  J. Krupka;M.E. Tobar;J.G. Hartnett;D. Cros

  58
  Citations

• Measurement of Dielectrics From 20 to 50 GHz With a Fabry–Pérot Open Resonator

  Unknown

  58
  Citations

• Complex permittivity measurements of low-loss microwave ceramics employing higher order quasi TE_0<i>np</i>modes excited in a cylindrical dielectric sample

  Unknown

  47
  Citations

• Simplified method for measurements and calculations of coupling coefficients and Q/sub 0/ factor of high-temperature superconducting dielectric resonators

  M.V. Jacob;J. Mazierska;K. Leong;J. Krupka

  43
  Citations