SPbPU Journal - Physics and Mathematics
St. Petersburg Polytechnic University Journal: Physics and Mathematics Peter the Great St. Petersburg Polytechnic University
Since 2008
ISSN 2304-9782
ISSN 2618-8686
ISSN 2405-7223
en Английский
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Author Ilya V. Frolov
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Latest issues
Ilya V. Frolov
Ilya V. Frolov

Measurement of the internal quantum efficiency of emission in the local region of the LED chip

Physical optics
Frolov I.V. Radaev O.A. Sergeev V.A.
  • Year: 2022
  • Volume: 15
  • Issue: 3.3
  • 18
  • 5159
  • Pages: 226-229

Measurement of the threshold current in the local areas of the LED chip

Experimental technique and devices
Frolov I.V. Radaev O.A. Sergeev V.A.
  • Year: 2023
  • Volume: 16
  • Issue: 3.1
  • 9
  • 3914
  • Pages: 330-334

Threshold current of separate spectral components of the emission spectrum of InGaN LEDs

Experimental technique and devices
Frolov I.V. Radaev O.A. Sergeev V.A.
  • Year: 2024
  • Volume: 17
  • Issue: 3.2
  • 11
  • 2399
  • Pages: 161-165

Relationship between the luminous flux drop of LED matrices during tests with thermal resistance and parameters of the emission spectrum

Physical optics
Frolov I.V. Zaytsev S.A. Sergeev V.A. Radaev O.A.
  • Year: 2025
  • Volume: 18
  • Issue: 3.2
  • 0
  • 115
  • Pages: 218-222