Articles by keywords "efficiency"
Numerical investigation of influence GaP nanowire geometry to light extraction efficiency of red light-emitting diode
- Year: 2024
- Volume: 17
- Issue: 3.2
- 14
- 807
- Pages: 84-87
A new method for calculating spectral diffractive lenses for focusing laser radiation of various wave lengths
- Year: 2023
- Volume: 16
- Issue: 3.2
- 6
- 2915
- Pages: 33-38
Numerical simulation of the parameters of an energy-efficient low-noise transistor for use in the amplification path of a miniature radiothermograph
- Year: 2023
- Volume: 16
- Issue: 3.1
- 7
- 2326
- Pages: 463-467
Development and research of charger operation modes type “needle-plate” for nanoparticle charging
- Year: 2023
- Volume: 16
- Issue: 3.1
- 9
- 2444
- Pages: 408-412
Evaluation of quantum efficiency of InGaAs/InP single-photon detectors in quantum key distribution systems
- Year: 2023
- Volume: 16
- Issue: 3.1
- 18
- 2275
- Pages: 237-241
Detection-efficiency mismatch in a satellite-to-ground quantum communication
- Year: 2023
- Volume: 16
- Issue: 3.1
- 20
- 2637
- Pages: 216-220
Current and temperature dependences of optical characteristics of powerful deep UV AlGaN LED (λ = 270 nm)
- Year: 2023
- Volume: 16
- Issue: 1.3
- 27
- 3206
- Pages: 170-175
Estimation of the coupling efficiency of optically induced waveguides in a lithium niobate crystal
- Year: 2023
- Volume: 16
- Issue: 1.2
- 28
- 3004
- Pages: 121-125
Change of radiative and low-frequency noise characteristics of UV LEDs based on InGaN/GaN quantum wells at liquid nitrogen temperature
- Year: 2023
- Volume: 16
- Issue: 1.2
- 13
- 2881
- Pages: 96-102
Mechanisms leading to thermal quantum efficiency droop in green InGaN/GaN LEDs
- Year: 2023
- Volume: 16
- Issue: 1.2
- 29
- 3277
- Pages: 70-76
Measurement of the internal quantum efficiency of emission in the local region of the LED chip
- Year: 2022
- Volume: 15
- Issue: 3.3
- 14
- 3569
- Pages: 226-229
A comprehensive study of electroluminescence and temperature distribution of “UX:3” AlInGaN LED
- Year: 2022
- Volume: 15
- Issue: 3.3
- 15
- 3500
- Pages: 142-146
Making a collective expert decision based on the Neumann – Pearson algorithm
- Year: 2021
- Volume: 14
- Issue: 1
- 38
- 5345
- Pages: 155-163
Visible quantum cutting in green emitting BaF2: Gd3+, Tb3+ phosphors: an approach towards mercury-free lamps
- Year: 2017
- Volume: 10
- Issue: 3
- 93
- 8101
- Pages: 64-74
Gyrotron research at the St. Petersburg State Polytechnical University
- Year: 2013
- Issue: 4
- 508
- 8187
- Pages: 38-46
The nonlinearity influence of acousto-optic interaction in the paratellurite modulator on the formation of harmonious signals imaging
- Year: 2011
- Issue: 4
- 0
- 7440
- Pages: 118-129
Development features of degradation processes in high-power blue InGaN/GaN light-emitting diodes
- Year: 2012
- Issue: 3
- 0
- 7357
- Pages: 45-48
Sensitivity analysis of an optical holographic interferometer based on reflective dynamic gratings
- Year: 2013
- Issue: 2
- 625
- 8171
- Pages: 115-120