Search Results - "Podoskin, A.A."
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1
O12 Mathematical model of transcutaneous laser ablation of leg vessels
Published in Photodiagnosis and photodynamic therapy (2010)Get full text
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2
Gain switching sub-ns pulse laser diode optimization for time-of-flight laser rangefinding
Published in 2022 International Conference Laser Optics (ICLO) (20-06-2022)“…The problem of designing laser heterostructures for generating sub-ns laser pulses of a given duration with a maximum peak power in the gain-switching mode is…”
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Conference Proceeding -
3
High fill-factor kW-level tunnel-coupled diode laser bar ( \lambda=910\ \text) for 100-ns pulse sources
Published in 2022 International Conference Laser Optics (ICLO) (20-06-2022)“…Pulsed 910 nm laser sources based on triple tunnel-coupled AlGaAs/InGaAs/GaAs heterostructures were developed and studied. High fill-factor (96%) microbars…”
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Conference Proceeding -
4
Mode selection in the external cavity of a single-mode lasers microarray (1060nm)
Published in 2022 International Conference Laser Optics (ICLO) (20-06-2022)“…The effect of an external resonator on the operation of a single-mode stripes laser bar based on an asymmetric InGaAs/AlGaAs/GaAs heterostructure is studied…”
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Conference Proceeding -
5
Hybrid and integrated high-power pulse laser-thyristors
Published in 2022 International Conference Laser Optics (ICLO) (20-06-2022)“…High-power hybrid semiconductor lasers - thyristors (λ = 900 - 920 nm) consisting of thyristor crystals soldered in series with an integrated semiconductor…”
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Conference Proceeding -
6
Laser heterostructures with a broadened MQW waveguide for high-power and sub-ns-laser-pulse-width operation
Published in 2020 International Conference Laser Optics (ICLO) (02-11-2020)“…Design of a structure with QWs distributed in a broadened waveguide layer is presented, which ensures mode selection, preserves the fundamental mode, provides…”
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Conference Proceeding -
7
Implementation of energy barrier layers for 1550 nm high-power laser diodes
Published in Journal of luminescence (01-11-2023)“…The influence of a thin AlInAs energy barrier on the efficiency of 1550 nm high-power semiconductor lasers efficiency has been experimentally studied. It was…”
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8
High-Speed Bridge Photodetectors for the Mid-IR Spectral Region
Published in Journal of applied spectroscopy (01-03-2023)“…Uncooled bridge photodetectors based on InAs/InAsSbP heterostructures for the mid-IR region of the spectrum are presented. The bridge structure is…”
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9
Optical-cell model based on the lasing competition of mode structures with different Q-factors in high-power semiconductor lasers
Published in Semiconductors (Woodbury, N.Y.) (01-08-2015)“…A model describing the operation of a completely optical cell, based on the competition of lasing of Fabry-Perot cavity modes and the high-Q closed mode in…”
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10
On the control efficiency of a high-power laser thyristor emitting in the 890–910 nm spectral range
Published in Semiconductors (Woodbury, N.Y.) (01-05-2014)“…A high power laser-thyristor structure providing low current-related and optical losses is developed. The possibility of controlling the lasing turn-on delay…”
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11
Analysis of high-repetition-rate high-power laser pulse generation dynamics using a one-dimensional model of rate equations
Published in 2024 International Conference Laser Optics (ICLO) (01-07-2024)“…This study uses a numerical model to analyze the dynamics of high-power semiconductor lasers pumped by a high-repetition rate pulse sequence. It explores the…”
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Conference Proceeding -
12
High power photoactivated current switches for generating sub-ns electrical pulses
Published in 2024 International Conference Laser Optics (ICLO) (01-07-2024)“…Photoactivated current switches for pumping diode laser stacks with ns and sub-ns current pulses are studied. Test optical pulse: 860 nm, 50 ps leading edge,…”
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Conference Proceeding -
13
Semiconductor lasers in gain-switching mode for high power sub-ns optical pulses
Published in 2024 International Conference Laser Optics (ICLO) (01-07-2024)“…Broad-arealasers with a 100 \ \mu \mathrm{m} aperture based on heterostructures with double asymmetry and active regions at wavelengths of 850 nm using bulk 45…”
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Conference Proceeding -
14
Analysis of the emission efficiency of powerful semiconductor lasers under closed-mode threshold lasing conditions
Published in Semiconductors (Woodbury, N.Y.) (01-05-2014)“…A new model describing the decrease in the emission efficiency and optical output power of a semiconductor laser above the lasing threshold of the Fabry-Perot…”
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15
AlGaAs/GaAs diode lasers (1020–1100 nm) with an asymmetric broadened single transverse mode waveguide
Published in Semiconductors (Woodbury, N.Y.) (01-08-2013)“…Approaches to the development of laser heterostructures with a broadened single-mode waveguide are studied theoretically and experimentally. It is shown that…”
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Journal Article -
16
Analysis of quenching conditions of Fabry-Perot mode lasing in semiconductor stripe-contact lasers
Published in Semiconductors (Woodbury, N.Y.) (01-10-2011)“…Radiative characteristics of semiconductor stripe-contact lasers operating under quenching conditions of Fabry-Perot-mode lasing are studied. It is found that…”
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The dynamics of laser generation in single-mode semiconductor (1060 nm) emitters microbar under sub-ns pulse pumping
Published in 2024 International Conference Laser Optics (ICLO) (01-07-2024)“…The operation of single-mode semiconductor (1060 nm) emitters microbar without optical coupling between the stripes was studied. The operation in the regime of…”
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Conference Proceeding -
18
Semiconductor lasers with internal wavelength selection
Published in Semiconductors (Woodbury, N.Y.) (2013)“…Laser diodes with a deep built-in trapezoidal large-period diffraction grating have been developed on the basis of InGaAs/GaAs/AlGaAs heterostructures. The…”
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Electroluminescence and absorption spectra of low-optical-loss semiconductor lasers based on InGaAs/AlGaAs/GaAs QW heterostructures
Published in Semiconductors (Woodbury, N.Y.) (01-05-2011)“…Spontaneous emission, optical loss, and gain spectra of a laser heterostructure with a quantum-well InGaAs active region have been studied at various optical…”
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Multi-wavelength integrated optical-laser emission modulator based on semiconductor heterostructures
Published in Semiconductors (Woodbury, N.Y.) (01-05-2014)“…Small-signal-controlled optical modulator structure capable of operation at several wavelengths is suggested. It is shown that the application of spectrally…”
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Journal Article