News about laser

Displaying 1-50 of 200 results.

Gold nanobipyramids as a saturable absorber for passively Q-switched Er3+: ZBLAN fiber laser

ScienceDirect
Date: Apr, 2019
Gold nanobipyramids as a saturable absorber for passively Q-switched Er3+: ZBLAN fiber laser

We demonstrate a passively Q-switched Er3+: ZBLAN fiber laser using gold nanobipyramids (gold-NBPs)…

Watt-level passively Q-switched and mode-locked Nd:YAG laser with a reflective MoS2 saturable absorber

ScienceDirect
Date: Dec, 2018
Watt-level passively Q-switched and mode-locked Nd:YAG laser with a reflective MoS2 saturable absorber

A passively Q-switched mode-locked Nd: YAG laser with a reflective molybdenum disulfide (MoS2) satu…

Watt-level passively Q-switched and mode-locked Nd:YAG laser with a reflective MoS2 saturable absorber

ScienceDirect
Date: Dec, 2018
Watt-level passively Q-switched and mode-locked Nd:YAG laser with a reflective MoS2 saturable absorber

A passively Q-switched mode-locked Nd: YAG laser with a reflective molybdenum disulfide (MoS2) satu…

Q-switched thulium/holmium fiber laser with gallium selenide

ScienceDirect
Date: Dec, 2018
Q-switched thulium/holmium fiber laser with gallium selenide

A passively Q-switched thulium/holmium fiber laser with a gallium selenide (GaSe) saturable absorbe…

Properties of defect modes in two-dimensional organic octagonal quasicrystals at low dielectric contrast

ScienceDirect
Date: Nov 15, 2018
Properties of defect modes in two-dimensional organic octagonal quasicrystals at low dielectric contrast

We study theoretically the localization and coupling properties of defect modes in octagonal quasi-…

A novel double masking scheme for enhancing security of optical chaotic communication based on two groups of mutually asynchronous VCSELs

ScienceDirect
Date: Nov, 2018
A novel double masking scheme for enhancing security of optical chaotic communication based on two groups of mutually asynchronous VCSELs

The emergence of optical chaotic secure communication has opened up an alternative path for informa…

Femtosecond laser inscription of Bragg gratings on a thin GaN film grown on a sapphire substrate

ScienceDirect
Date: Oct, 2018
Femtosecond laser inscription of Bragg gratings on a thin GaN film grown on a sapphire substrate

Bragg gratings were inscribed with a NIR femtosecond laser, cylindrical lens and a phase mask on th…

Correlation Properties of Polarization Dynamics in Quantum Dot Lasers with Optical Feedback

OSA Publishing
Date: Sep 16, 2018
Correlation Properties of Polarization Dynamics in Quantum Dot Lasers with Optical Feedback

Dynamics of polarized states are examined for a quantum dot laser subject to polarization-rotated f…

Low-frequency fluctuations of a mid-infrared quantum cascade laser operating at cryogenic temperatures

IOP science
Date: Sep 14, 2018
Low-frequency fluctuations of a mid-infrared quantum cascade laser operating at cryogenic temperatures

This work demonstrates that mid-infrared quantum cascade lasers operating under external optical fe…

Effect of Epitaxial-Structure Design and Growth Parameters on the Characteristics of Metamorphic Lasers of the 1.46-μm Optical Range Based on Quantum Dots Grown on GaAs Substrates

springer.com
Date: Sep 6, 2018
Effect of Epitaxial-Structure Design and Growth Parameters on the Characteristics of Metamorphic Lasers of the 1.46-μm Optical Range Based on Quantum Dots Grown on GaAs Substrates

The characteristics of lasers of the 1.44–1.46-μm optical range grown on GaAs substrates using a me…

Compact pulsed fiber laser at 2.78 μm with an Fe2+-doped ZnSe saturable absorber mirror

SPIE
Date: Sep 4, 2018
Compact pulsed fiber laser at 2.78 μm with an Fe2+-doped ZnSe saturable absorber mirror

An Fe2+-doped ZnSe saturable absorber mirror (SAM) were fabricated by electron beam evaporation tec…

Influence of waveguide strain and surface morphology on AlGaN-based deep UV laser characteristics

IOP science
Date: Sep 3, 2018
Influence of waveguide strain and surface morphology on AlGaN-based deep UV laser characteristics

The waveguide strain and the surface morphologies of AlGaN-based laser heterostructures emitting in…

Effects of Nd:YAG laser irradiation on the growth of Candida albicans and Streptococcus mutans: in vitro study

springer.com
Date: Aug 25, 2018
Effects of Nd:YAG laser irradiation on the growth of Candida albicans and Streptococcus mutans: in vitro study

The purpose of this study was to evaluate the effects of Nd:YAG laser with flat-top handpiece on th…

High power passively Q-switched Er3+-doped ZBLAN fiber laser at 2.8 µm based on a semiconductor saturable absorber mirror

IOP science
Date: Aug 8, 2018
High power passively Q-switched Er3+-doped ZBLAN fiber laser at 2.8 µm based on a semiconductor saturable absorber mirror

We report a 976 nm diode-pump passively Q-switched Er3+-doped ZBLAN fiber laser based on a semicond…

Low-Temperature Solution-Based In2O3 Channel Formation for Thin-Film Transistors Using a Visible Laser-Assisted Combustion Process

IEEE
Date: Aug 2, 2018
Low-Temperature Solution-Based In2O3 Channel Formation for Thin-Film Transistors Using a Visible Laser-Assisted Combustion Process

This letter reports the low-temperature solution-based fabrication of indium oxide (In2O3) thin-fil…

XPS Study of the In/CdTe Interface Modified by Nanosecond Laser Irradiation

springer.com
Date: Aug, 2018
XPS Study of the In/CdTe Interface Modified by Nanosecond Laser Irradiation

The X-ray photoelectron spectroscopy (XPS) with 650 eV synchro-tron radiation was employed to study…

Effects of modulation p doping in InAs quantum dot lasers on silicon

AIP Publishing LLC
Date: Aug, 2018
Effects of modulation p doping in InAs quantum dot lasers on silicon

We investigate, both experimentally and theoretically, the gain characteristics of modulation p-dop…

Monolayer MoS2-based High Energy Rectangular Pulse Fiber Laser Author links open overlay panel

ScienceDirect
Date: Aug, 2018
Monolayer MoS2-based High Energy Rectangular Pulse Fiber Laser Author links open overlay panel

We have reported the generation of wave-breaking-free pulses operated in dissipative soliton resona…

Power Characteristics and Temperature Dependence of the Angular Beam Divergence of Lasers with a Near-Surface Active Region

springer.com
Date: Aug, 2018
Power Characteristics and Temperature Dependence of the Angular Beam Divergence of Lasers with a Near-Surface Active Region

Results are presented of a study of light–current characteristics and far-field patterns of emissio…

Nanowire Photonics

springer.com
Date: Jul 28, 2018
Nanowire Photonics

Semiconductor nanowires with unique optical properties can be applied to a diverse range of promisi…

Numerical analysis of the output waveguide design for 1.55 μm square microcavity lasers directly grown on GaAs substrates

ScienceDirect
Date: Jul, 2018
Numerical analysis of the output waveguide design for 1.55 μm square microcavity lasers directly grown on GaAs substrates

We report a structure design of 1.55 μm square microcavity lasers monolithically integrated on GaAs…

Heating of Energetic Materials by Continuous-Wave Near-IR Laser Radiation

springer.com
Date: Jul, 2018
Heating of Energetic Materials by Continuous-Wave Near-IR Laser Radiation

The heating of energetic materials by the radiation of fiber-coupled continuously-pumped lasers at …

Laser Micromachining of Semiconductor Materials

springer.com
Date: Jun 30, 2018
Laser Micromachining of Semiconductor Materials

Silicon material has been extensively used in electronics, optoelectronics, and Microelectromechani…

Laser Micromachining of Semiconductor Materials

springer.com
Date: Jun 30, 2018
Laser Micromachining of Semiconductor Materials

Silicon material has been extensively used in electronics, optoelectronics, and Microelectromechani…

Detectorless Intracavity Technique with an EC-QCL for Atmospheric Gas Detection

OSA Publishing
Date: Jun 28, 2018
Detectorless Intracavity Technique with an EC-QCL for Atmospheric Gas Detection

We report the development of an external-cavity quantum cascade laser emitting in the mid-infrared …

Mapping the dynamical regimes of a SESAM mode-locked VECSEL with a long cavity using time series analysis

OSA Publishing
Date: Jun 25, 2018
Mapping the dynamical regimes of a SESAM mode-locked VECSEL with a long cavity using time series analysis

The different dynamical regions of an optically-pumped SESAM mode-locked, long-cavity VECSEL system…

Ultrashort Pulse Soliton Fiber Laser Generation With Integration of Antimony Film Saturable Absorber

Kokyo Inc.
Date: Jun 21, 2018
Ultrashort Pulse Soliton Fiber Laser Generation With Integration of Antimony Film Saturable Absorber

A soliton-locked Erbium-doped fiber laser is demonstrated for the first time using a pure Antimony …

Ultrashort Pulse Soliton Fiber Laser Generation With Integration of Antimony Film Saturable Absorber

IEEE
Date: Jun 21, 2018
Ultrashort Pulse Soliton Fiber Laser Generation With Integration of Antimony Film Saturable Absorber

A soliton-locked Erbium-doped fiber laser is demonstrated for the first time using a pure Antimony …

Quantum efficiency of femtosecond-laser sulfur hyperdoped silicon solar cells after different annealing regimes

ScienceDirect
Date: Jun 15, 2018
Quantum efficiency of femtosecond-laser sulfur hyperdoped silicon solar cells after different annealing regimes

Annealing dependent absorption and quantum efficiency spectra are determined on femtosecond-laser, …

Modeling and experimental validation of highly astigmatic laser beams

SPIE
Date: Jun 5, 2018
Modeling and experimental validation of highly astigmatic laser beams

Gaussian beamlet decomposition (GBD) and Gaussian beamlet propagation (GBP) have become accepted an…

Improvement on vibration measurement performance of laser self-mixing interference by using a pre-feedback mirror

ScienceDirect
Date: Jun, 2018
Improvement on vibration measurement performance of laser self-mixing interference by using a pre-feedback mirror

In the laser self-mixing interference vibration measurement system, the self mixing interference si…

A Q-switched Ho:YAG laser with double anti-misalignment corner cubes pumped by a diode-pumped Tm:YLF laser

ScienceDirect
Date: Jun, 2018
A Q-switched Ho:YAG laser with double anti-misalignment corner cubes pumped by a diode-pumped Tm:YLF laser

We report the acousto-optically Q-switched Ho:YAG laser with double anti-misalignment corner cubes …

Multi-peak tunable CW orange laser based on single-pass sum frequency generation in step-chirped MgO: PPLN

springer.com
Date: May, 2018
Multi-peak tunable CW orange laser based on single-pass sum frequency generation in step-chirped MgO: PPLN

We report an all-solid-state tunable CW orange laser based on single-pass sum-frequency generation …

Photoinduced Degradation of the Optical Properties of Colloidal Ag2S and CdS Quantum Dots Passivated by Thioglycolic Acid

springer.com
Date: May, 2018
Photoinduced Degradation of the Optical Properties of Colloidal Ag2S and CdS Quantum Dots Passivated by Thioglycolic Acid

The results of studying degradation of the optical properties of colloidal Ag2S and CdS quantum dot…

Comparative analysis of parameters of pulsed copper vapour laser and known types of technological lasers

SPIE
Date: Apr 16, 2018
Comparative analysis of parameters of pulsed copper vapour laser and known types of technological lasers

In the present paper we present the results of a comparative analysis of pulsed copper vapour laser…

65-fs Yb-doped all-fiber laser using tapered fiber for nonlinearity and dispersion management

OSA Publishing
Date: Apr 15, 2018
65-fs Yb-doped all-fiber laser using tapered fiber for nonlinearity and dispersion management

We implement an ultrafast Yb-doped all-fiber laser which incorporates tapered single-mode fibers fo…

Characteristic Temperature of a 2 µm InGaSb/AlGaAsSb Mode-locked Quantum Well Laser

OSA Publishing
Date: Mar 26, 2018
Characteristic Temperature of a 2 µm InGaSb/AlGaAsSb Mode-locked Quantum Well Laser

Mode locking is achieved in a 2 μm GaSb-based laser up to 60 °C. The laser has a T0 of ~82 K at roo…

Ultra-fast dynamic of unipolar mid-infrared lasers and detectors

OSA Publishing
Date: Mar 26, 2018
Ultra-fast dynamic of unipolar mid-infrared lasers and detectors

The need for ever-increasing data rate communications calls for key enabling wireless technologies,…

Application of Quantum Cascade Laser Absorption Spectroscopy for Correlation Studies in Plasma Etching Processes in the Semiconductor Industry

OSA Publishing
Date: Mar 26, 2018
Application of Quantum Cascade Laser Absorption Spectroscopy for Correlation Studies in Plasma Etching Processes in the Semiconductor Industry

Applying quantum cascade laser absorption spectroscopy a correlation could be demonstrated between …

Diode-pumped femtosecond Tm3+-doped LuScO3 laser near 2.1  μm

OSA Publishing
Date: Mar 15, 2018
Diode-pumped femtosecond Tm3+-doped LuScO3 laser near 2.1  μm

We report on the first demonstration, to the best of our knowledge, of a diode-pumped Tm:LuScO3 las…

Single-laser polarization-controlled optical sampling system for THz-TDS

OSA Publishing
Date: Mar 15, 2018
Single-laser polarization-controlled optical sampling system for THz-TDS

We demonstrate a polarization-multiplexed, single-laser system for terahertz (THz) time-domain spec…

Full path compensation laser feedback interferometry for remote sensing with recovered nanometer resolutions

AIP Publishing LLC
Date: Mar 15, 2018
Full path compensation laser feedback interferometry for remote sensing with recovered nanometer resolutions

The accuracy of the existing laser feedback interferometry for measuring the remote target is limit…

Spectral narrowing and stabilization of 10-W broad-area laser with fiber pump delivery system (Conference Presentation)

SPIE
Date: Mar 14, 2018
Spectral narrowing and stabilization of 10-W broad-area laser with fiber pump delivery system (Conference Presentation)

The emission spectrum of a 10-W commercial broad-area laser was narrowed and stabilized by coupling…

Seawater Communication with Blue Laser Carried 16-QAM OFDM at 3.7 GBaud

OSA Publishing
Date: Mar 11, 2018
Seawater Communication with Blue Laser Carried 16-QAM OFDM at 3.7 GBaud

Point-to-point seawater communication based on directly 16-QAM OFDM encoded 450-nm blue laser is pe…

Ultra-narrow linewidth quantum dot coherent comb lasers

OSA Publishing
Date: Mar 11, 2018
Ultra-narrow linewidth quantum dot coherent comb lasers

We have developed a secondary-cavity self-injection feedback locking system to simultaneously reduc…

Low threshold current 1.3 µm Fabry-Perot III-V quantum dot lasers on (001) Si with superior reliability

OSA Publishing
Date: Mar 11, 2018
Low threshold current 1.3 µm Fabry-Perot III-V quantum dot lasers on (001) Si with superior reliability

We report 1.3 μm quantum dot lasers monolithically integrated on Si substrate. A threshold current …

Passively mode-locked diode-pumped Tm3+:YLF laser emitting at 1.91 µm using a GaAs-based SESAM

IOP science
Date: Mar 9, 2018
Passively mode-locked diode-pumped Tm3+:YLF laser emitting at 1.91 µm using a GaAs-based SESAM

We report on a diode-pumped Tm:YLF laser passively mode-locked with an InGaAs saturable absorber. T…

Research on laser detonation pulse circuit with low-power based on super capacitor

SPIE
Date: Mar 5, 2018
Research on laser detonation pulse circuit with low-power based on super capacitor

According to the demand of laser initiating device miniaturization and low power consumption of wea…

Mode locked Nd3+ and Gd3+ co-doped calcium fluoride crystal laser at dual gain lines

ScienceDirect
Date: Mar 1, 2018
Mode locked Nd3+ and Gd3+ co-doped calcium fluoride crystal laser at dual gain lines

Based on a novel disordered fluoride crystal—Nd3+ and Gd3+ co-doped CaF2, we demonstrate a dual-wav…