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
Version for the visually impaired
Author Zakgeim Alexander L.
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Latest issues
Zakgeim Alexander L.
  • Affiliation
    Submicron Heterostructures for Microelectronics Research and Engineering Center of the RAS
  • Russia, 194021, St.Petersburg, Polytechnicheskaya, 26

Wireless networks of energy efficient dynamically controlled LED sources

Experimental technique and devices
Aladov A.V. Valjukhov V.P. Kuptsov V.D. Zakgeim A.L. Mizerov M. N.
  • Year: 2017
  • Volume: 10
  • Issue: 2
  • 121
  • 5094
  • Pages: 28-36

Type LED dynamically controlled light sources for novel lighting technology

Experimental technique and devices
Valjukhov V.P. Aladov A.V. Zakgeim A.L. Chernyakov A.E. Tsatsulnikov A.F.
  • Year: 2014
  • Issue: 4
  • 461
  • 5508
  • Pages: 38-47

The wireless network of controlled energy-effective LED lighting sources

Experimental technique and devices
Aladov A.V. Valjukhov V.P. Demin S.V. Zakgeim A.L. Tsatsulnikov A.F.
  • Year: 2015
  • Issue: 1
  • 367
  • 5125
  • Pages: 50-60

Thermal resistanсe and nonuniform distribution of electroluminescence and temperature in high-power AlGaInN light-emitting diodes

Experimental technique and devices
Aladov A.V. Bulashevich K.A. Chernyakov A.E. Karpov S.Yu. Valjukhov V.P. Zakgeim A.L.
  • Year: 2015
  • Issue: 2
  • 341
  • 5104
  • Pages: 74-83

A study of thermal regime in the high-power LED arrays

Experimental technique and devices
Aladov A.V. Belov I. V. Valjukhov V.P. Zakgeim A.L. Chernyakov A.E.
  • Year: 2018
  • Volume: 11
  • Issue: 3
  • 24
  • 5735
  • Pages: 39-51

Hardware-software complex for characterization of a person’s functional status on exposure to light with the varied spectral color parameters

Experimental technique and devices
Aladov A.V. Berlov D.N. Zakgeim A.L. Chernyakov A.E. Fotiadi A.E. Valjukhov V.P.
  • Year: 2019
  • Volume: 12
  • Issue: 3
  • 38
  • 4338
  • Pages: 63-77

Experimental setup for studying the blue light effect on sense of time among persons with different type of vegetative regulation

Experimental technique and devices
Aladov A.V. Berlov D.N. Valjukhov V.P. Vlasova O.L. Zakgeim A.L. Panihina A.A. Fotiadi A.E.
  • Year: 2019
  • Volume: 12
  • Issue: 3
  • 34
  • 5515
  • Pages: 78-91

Optimization of surgical field illumination to maximize the contrast when biological objects being visualized

Experimental technique and devices
Aladov A.V. Valjukhov V.P. Zakgeim A.L. Kuptsov V.D. Mamoshin A.V. Potapova E.V. Chernyakov A.E. Fotiadi A.E.
  • Year: 2019
  • Volume: 12
  • Issue: 4
  • 34
  • 4453
  • Pages: 79-88

A comprehensive study of electroluminescence and temperature distribution of “UX:3” AlInGaN LED

Physical electronics
Ivanov A.E. Aladov A.V. Chernyakov A.E. Zakgeim A.L.
  • Year: 2022
  • Volume: 15
  • Issue: 3.3
  • 7
  • 1002
  • Pages: 142-146

Comprehensive study of the power capabilities of UV-C LEDs in pulsed and continuous modes

Condensed matter physics
Ivanov A.E. Chernyakov A.E. Zakgeim A.L.
  • Year: 2023
  • Volume: 16
  • Issue: 1.1
  • 3
  • 496
  • Pages: 167-171

Mechanisms leading to thermal quantum efficiency droop in green InGaN/GaN LEDs

Physical electronics
Shabunina E.I. Ivanov A.E. Talnishnikh Nadezhda A. Kartashova A.P. Poloskin D.S. Shmidt N.P. Zakgeim A.L. Chernyakov A.E.
  • Year: 2023
  • Volume: 16
  • Issue: 1.2
  • 4
  • 530
  • Pages: 70-76

Current and temperature dependences of optical characteristics of powerful deep UV AlGaN LED (λ = 270 nm)

Optoelectronic and nanoelectronic devices
Ivanov A.E. Talnishnikh Nadezhda A. Chernyakov A.E. Zakgeim A.L.
  • Year: 2023
  • Volume: 16
  • Issue: 1.3
  • 4
  • 457
  • Pages: 170-175