News about laser

Displaying 101-150 of 200 results.

9-kW peak power and 150-fs duration blue-violet optical pulses generated by GaInN master oscillator power amplifier

OSA Publishing
Date: Jun 25, 2017
9-kW peak power and 150-fs duration blue-violet optical pulses generated by GaInN master oscillator power amplifier

Blue-violet optical pulses of 9-kW peak power and 150-fs duration were obtained from a GaInN master…

Passively Q-switched Erbium Doped All-fiber Laser with High Pulse Energy Based on Evanescent Field Interaction with Single-walled Carbon Nanotube Saturable Absorber

OSA Publishing
Date: Jun 25, 2017
Passively Q-switched Erbium Doped All-fiber Laser with High Pulse Energy Based on Evanescent Field Interaction with Single-walled Carbon Nanotube Saturable Absorber

We report a passive Q-switching of an all-fiber erbium-doped fiber laser delivering high pulse ener…

Dual-wavelength synchronously mode-locked Nd:LaGGG laser operating at 1.3 μm with a SESAM

Royal Society of Chemistry
Date: Jun 23, 2017
Dual-wavelength synchronously mode-locked Nd:LaGGG laser operating at 1.3 μm with a SESAM

We have demonstrated a diode-end-pumped synchronously dual-wavelength mode-locked Nd3+:(La0.1Gd0.9)…

Laser self-termination in trimer photonic molecules

IOP science
Date: Jun 19, 2017
Laser self-termination in trimer photonic molecules

We have recently investigated lasing behavior in two-cavity photonic molecules and demonstrated tha…

Reduction of Laser Frequency Noise and Intensity Noise in Phase-Shifted Fiber Bragg Grating Acoustic Emission Sensor System

IEEE
Date: Jun 16, 2017
Reduction of Laser Frequency Noise and Intensity Noise in Phase-Shifted Fiber Bragg Grating Acoustic Emission Sensor System

The noise performance of a fiber-optic acoustic-emission (AE) sensor system is often limited by the…

Evidence for the bias-driven migration of oxygen vacancies in amorphous non-stoichiometric gallium oxide

AIP Publishing LLC
Date: Jun, 2017
Evidence for the bias-driven migration of oxygen vacancies in amorphous non-stoichiometric gallium oxide

The conductivity of gallium oxide thin films is strongly dependent on the growth temperature when t…

Anomalous dynamics of active mode-locking in ring lasers with semiconductor optic amplifiers

World Scientific Publishing
Date: Mar 28, 2017
Anomalous dynamics of active mode-locking in ring lasers with semiconductor optic amplifiers

The pulses development dynamics, including their bifurcation into two-pulse complexes, was investig…

DFB diode seeded low repetition rate fiber laser system operating in burst mode

ScienceDirect
Date: Feb, 2017

A distributed feedback (DFB) diode, gain switched to produce pulses from 60 ps at high peak power o…

Passive Q-switching of Pr:LiYF4 orange laser at 604 nm using topological insulators Bi2Se3 as saturable absorber

ScienceDirect
Date: Feb, 2017

Q-switched laser operation of a laser diode pumped Pr:LiYF4 laser is reported at 604 nm using a top…

57 mJ with 10 ns passively Q-switched diode pumped Nd:YAG laser using Cr4+:YAG crystal

springer.com
Date: Dec 19, 2016

In this paper, a side diode pumped passively Q-switched Nd:YAG laser is presented using a Cr4+:YAG …

Power scaling of blue-diode-pumped Pr:YLF lasers at 523.0, 604.1, 606.9, 639.4, 697.8 and 720.9 nm

ScienceDirect
Date: Dec, 2016

We report a power scaled laser operation of diode-pumped Pr3+-doped LiYF4 crystal in single-end pum…

Frequency-doubled passively Q-switched microchip laser producing 225  ps pulses at 671  nm

OSA Publishing
Date: Nov 15, 2016
Frequency-doubled passively Q-switched microchip laser producing 225  ps pulses at 671  nm

We report a 671 nm laser source emitting 225 ps pulses with an average power of 55 mW and a repetit…

976-nm passively mode-locked ytterbium-doped fiber laser core-pumped by 915-nm semiconductor laser

SPIE
Date: Nov 9, 2016
976-nm passively mode-locked ytterbium-doped fiber laser core-pumped by 915-nm semiconductor laser

In this paper, we demonstrate an all-normal dispersion (ANDi) femtosecond YDFL. The laser operates …

Simple and efficient method of lines based algorithm for modeling of erbium doped Q-switched fluoride fiber lasers

OSA Publishing
Date: Nov 1, 2016
Simple and efficient method of lines based algorithm for modeling of erbium doped Q-switched fluoride fiber lasers

An improved algorithm based on the method of lines for modeling of Q-switched fluoride glass based …

Highly efficient Q-switched Yb:YAG channel waveguide laser with 5.6  W of average output power

OSA Publishing
Date: Oct 15, 2016
Highly efficient Q-switched Yb:YAG channel waveguide laser with 5.6  W of average output power

In this Letter, we present high-power continuous wave (CW) and Q-switched femtosecond laser-written…

High-power diode-seeded thulium-doped fiber MOPA incorporating active pulse shaping

springer.com
Date: Oct, 2016

A turnkey fiber laser source generating high beam quality pulses with 240 W average power and arbit…

Mode-locked semiconductor disk lasers

OSA Publishing
Date: Sep 30, 2016
Mode-locked semiconductor disk lasers

This paper will review the recent advances in the field of ultrashort pulse generation from optical…

Laser equipment for hardness evaluation of semiconductor elements exposed to heavy charged particles (Review)

springer.com
Date: Sep 28, 2016

A review of laser devices that are currently used to perform hardness evaluation of microelectronic…

Multiwavelength laser designed for single-frame digital holography

OSA Publishing
Date: Sep 20, 2016
Multiwavelength laser designed for single-frame digital holography

In this paper, we present a tailored multiwavelength Yb-fiber laser source in the 1.03 μm spectral …

Compact cavity-dumped Q-switched Er:YAG laser

OSA Publishing
Date: Sep 15, 2016
Compact cavity-dumped Q-switched Er:YAG laser

We report a compact cavity-dumped Q-switched Er:YAG laser that produces pulses with 4.5 ns full wid…

High-power and high-efficiency diode-pumped Nd:LuYAG mixed crystal lasers operating at 939 and 946  nm

OSA Publishing
Date: Sep 10, 2016
High-power and high-efficiency diode-pumped Nd:LuYAG mixed crystal lasers operating at 939 and 946  nm

We report on high-performance infrared lasers at 0.94 μm based on quasi-three-level transition of F…

Passively Q-switched mid-infrared fluoride fiber laser around 3 µm using a tungsten disulfide (WS2) saturable absorber

IOP science
Date: Sep 9, 2016

In this letter, we demonstrate a passively Q-switched Ho3+/Pr3+ co-doped fluoride fiber laser cente…

1  MW peak-power subpicosecond optical pulse source based on a gain-switched laser diode

OSA Publishing
Date: Sep 1, 2016
1  MW peak-power subpicosecond optical pulse source based on a gain-switched laser diode

We have generated optical pulses of 1.2 MW peak power and 0.6 ps duration using a 1060 nm band gain…

Large anomalous-dispersion mode-locked fiber laser based on a chirped fiber Bragg grating pair

IOP science
Date: Aug 26, 2016

A carbon-nanotube mode-locked erbium fiber laser with large net anomalous dispersion is presented. …

A black phosphorus-based tunable Q-switched ytterbium fiber laser

IOP science
Date: Aug 18, 2016

A compact, passively Q-switched fiber laser with a tunable output is demonstrated. The proposed sys…

Study on high coupling efficiency Er-doped fiber laser for femtosecond optical frequency comb

IOP science
Date: Aug 5, 2016

The femtosecond laser is crucial to the operation of the femtosecond optical frequency comb. In thi…

Dysprosium thiogallate laser: source of mid-infrared radiation at 2.4, 4.3, and 5.4 µm

springer.com
Date: Aug, 2016

Various Dy:PbGa2S4 laser-active material energy transitions originating from the 6H9/2 + 6F11/2 or …

A low timing jitter picosecond microchip laser pumped by pulsed LD

ScienceDirect
Date: Jul 15, 2016

SESAM passively Q-switched microchip laser is a very promising instrument to replace mode locked la…

80 nm tunable DBR-free semiconductor disk laser

AIP Publishing LLC
Date: Jul 11, 2016
80 nm tunable DBR-free semiconductor disk laser

We report a widely tunable optically pumped distributed Bragg reflector (DBR)-free semiconductor di…

Directional random laser source consisting of a HC-ARROW reservoir connected to channels for spectroscopic analysis in microfluidic devices

OSA Publishing
Date: Jul 10, 2016
Directional random laser source consisting of a HC-ARROW reservoir connected to channels for spectroscopic analysis in microfluidic devices

Light sources are used in optofluidic devices for real-time system control and quantitative analysi…

759  fs pulse generation with Nd3+-doped CNGS ordered crystal based on a semiconductor saturable absorber mirror

OSA Publishing
Date: Jul 10, 2016
759  fs pulse generation with Nd3+-doped CNGS ordered crystal based on a semiconductor saturable absorber mirror

A diode-pumped passively continuous wave mode-locked laser at 1064.2 nm based on an ordered Nd:CNGS…

Continuous-wave and passively Q-switched 1.06 μm ceramic Nd:YAG laser

ScienceDirect
Date: Jul, 2016

In this paper, a diode-pumped continuous-wave and passively Q-switched 1.06 μm laser with gain medi…

SPECTRA-PHYSICS DEBUTS HIGH PULSE ENERGY UV LASERS WITH DISRUPTIVE COST-PERFORMANCE

Spectra-Physics
Date: Jun 16, 2016
SPECTRA-PHYSICS DEBUTS HIGH PULSE ENERGY UV LASERS WITH DISRUPTIVE COST-PERFORMANCE

Spectra-Physics® introduces Talon® HE, a new line of high energy UV and green Q-switched diode-pump…

Manufacturer: Spectra-Physics

All-fiber-integrated linearly polarized fiber laser delivering 476  μJ, 50  kHz, nanosecond pulses for ultrasonic generation

OSA Publishing
Date: May 10, 2016
All-fiber-integrated linearly polarized fiber laser delivering 476  μJ, 50  kHz, nanosecond pulses for ultrasonic generation

We demonstrate a high-energy linearly polarized pulsed fiber laser for ultrasonic generation based …

Sub-100 fs high average power directly blue-diode-laser-pumped Ti:sapphire oscillator

SPIE
Date: Apr 27, 2016

Ti:sapphire oscillators are a proven technology to generate sub-100 fs (even sub-10 fs) pulses in t…

Solid-state lasers directly pumped by InGaN diode lasers: Ti:sapphire and Pr3+:LiYF4 lasers

SPIE
Date: Apr 27, 2016

We report our recent progress of solid-state lasers, the titanium-doped sapphire laser and the pras…

1-W level diode pumped Pr:YLF orange laser

SPIE
Date: Apr 27, 2016

We report on 1W of continuous-wave output power at 604 nm wavelength under blue laser diode pumping…

Novel approaches to increasing the brightness of broad area lasers

SPIE
Date: Mar 7, 2016

Progress in studies to increase the lateral brightness Blat of broad area lasers is reviewed. Blat=…

Compact deep UV laser system at 222.5 nm by single-pass frequency doubling of high-power GaN diode laser emission

SPIE
Date: Mar 4, 2016

Deep ultraviolet (DUV) lasers emitting below 300 nm are of great interest for many applications, fo…

Performance improvement of power-over-fiber system using noise-modulated laser diode

OSA Publishing
Date: Mar 1, 2016
Performance improvement of power-over-fiber system using noise-modulated laser diode

In a power-over-fiber system, the key limiting factor for transmission light power is the stimulate…

Color-tunable up-conversion emission from Yb3+/Er3+/Tm3+/Ho3+ codoped KY(MoO4)2 microcrystals based on energy transfer

ScienceDirect
Date: Mar, 2016

Tunable up-conversion luminescent material KY(MoO4)2: Yb3+, Ln3+ (Ln=Er, Tm, Ho) has been synthesiz…

Semiconductor mode-locked lasers with coherent dual-mode optical injection: simulations, analysis, and experiment

OSA Publishing
Date: Mar, 2016
Semiconductor mode-locked lasers with coherent dual-mode optical injection: simulations, analysis, and experiment

In this paper, we study the dynamics of a passively mode-locked semiconductor laser with dual-frequ…

Harmonically mode-locked femtosecond fiber laser using non-uniform, WS2-particle deposited side-polished fiber

IOP science
Date: Feb 22, 2016

We investigated the feasibility of using a WS2-deposited side-polished fiber as a harmonic mode-loc…

Comparative study of passively Q-switched c-cut Nd:YVO4/Nd:YAG lasers based on CVD graphene and controlled operation

ScienceDirect
Date: Feb 2, 2016

In this paper, a comparative study of passively Q-switched c-cut Nd:YVO4 and Nd:YAG lasers using fo…

Optical ultrafast random number generation at 1  Tb/s using a turbulent semiconductor ring cavity laser

OSA Publishing
Date: Jan 15, 2016
Optical ultrafast random number generation at 1  Tb/s using a turbulent semiconductor ring cavity laser

A simple method of high-speed random bit generation is presented that utilizes the turbulent output…

Ammonia, carbon dioxide and water vapor detection based on tunable fiber laser photoacoustic spectroscopy

ScienceDirect
Date: Jan, 2016

Tunable laser photoacoustic spectroscopy is attracted as a powerful tool for trace gas detection in…

Robust modeling and performance analysis of high-power diode side-pumped solid-state laser systems

OSA Publishing
Date: Dec 20, 2015
Robust modeling and performance analysis of high-power diode side-pumped solid-state laser systems

In this paper, we present an enhanced high-power extrinsic diode side-pumped solid-state laser (DPS…

Diode-pumped Kerr-lens mode-locked Yb:CaGdAlO4 laser with tunable wavelength

IOP science
Date: Dec 10, 2015

We experimentally demonstrated a wavelength tunable Kerr-lens mode-locked femtosecond laser based o…

Diode-pumped continuous-wave dual-wavelength c-cut Pr3+:LiYF4 laser at 696 and 719  nm

OSA Publishing
Date: Dec 1, 2015
Diode-pumped continuous-wave dual-wavelength c-cut Pr3+:LiYF4 laser at 696 and 719  nm

A continuous-wave, InGaN-LD-pumped dual-wavelength laser is demonstrated with simultaneous emission…

Complementary Laser Based Spectroscopies

springer.com
Date: Nov 29, 2015

The chapter describes two laser-based techniques, Laser-Induced Breakdown Spectroscopy (LIBS) and R…