News about laser diodes

Displaying 451-500 of 661 results.

Comparison of two concepts for dual-wavelength DBR ridge waveguide diode lasers at 785 nm suitable for shifted excitation Raman difference spectroscopy

springer.com
Date: May 14, 2015

Two concepts of dual-wavelength 785-nm DBR ridge waveguide (RW) lasers, i.e. RW mini-arrays consist…

Application: Others

Noise performance and nonlinear distortion of semiconductor laser under two-tone modulation for use in analog CATV systems

Wiley Online Library
Date: May 13, 2015

We introduce numerical modeling of noise performance and distortion of semiconductor lasers subject…

Application: Others

Chaotic optical time-domain reflectometry using a distributed feedback laser diode modulated by an improved Colpitts oscillator

SPIE
Date: May 12, 2015

We report a chaotic optical time-domain reflectometry for fiber fault location, where a chaotic pro…

Application: Others

Reliable pump sources for high-energy class lasers

SPIE
Date: May 12, 2015

High-energy class laser systems operating at high average power are destined to serve fundamental r…

Application: Others

Time domain characterization of avalanche photo detectors for sub-ns optical pulses

IEEE
Date: May 11, 2015

The time domain response of high-speed avalanche photo detectors to an impulse resembling optical p…

Application: Others

Online measurement of nanoparticle size distribution in flowing Brownian motion system using laser diode self-mixing interferometry

springer.com
Date: May 7, 2015

Laser diode self-mixing interferometry, which is characterized by self-alignment, compactness, …

Application: Others

Investigating temperature effects on the spectral lines of blue laser diodes for monitoring NO2 gas pollution

SPIE
Date: May 5, 2015

Temperature effects on the spectral lines of two Fabry-Perot GaN-based blue laser diodes obtained f…

Application: Others

A compact semiconductor digital interferometer and its applications

SPIE
Date: May 5, 2015

The possibility of using semiconductor laser interferometers to measure displacements at the nanome…

Application: Others

Evolution of blue laser diode spectral lines with applied current in the range 446-448 nm

SPIE
Date: May 5, 2015

High resolution spectral lines study is performed on the emissions of a blue laser diode as a funct…

Application: Others

Edge-emitting diode lasers with narrow circular beam output

SPIE
Date: May 4, 2015

We report near circular beam output from 808 nm edge-emitting diode lasers based on Bragg reflectio…

Application: Others

Lumics‘ LuOcean™ Mini Series now with Largely Increased Number of Features

Lumics Lasers
Date: May, 2015

Lumics GmbH - Berlin is re-setting the benchmark for its LuOcean™ Mini series offering the current…

Manufacturer: Lumics Lasers
Application: Others

Analytical stability boundaries of an injected two-polarization semiconductor laser

American Physical Society
Date: Apr 30, 2015

The classical problem of a semiconductor laser subject to polarized injection is revisited. Fr…

Application: Others

Near-ultraviolet laser diodes for brilliant ultraviolet fluorophore excitation

Wiley Online Library
Date: Apr 30, 2015

Although multiple lasers are now standard equipment on most modern flow cytometers, ultraviolet (UV…

Application: Others

Negative-T0 InGaN laser diodes and their degradation

AIP Publishing
Date: Apr 28, 2015

We studied the InGaN laser diode, emitting in the blue region of the spectrum and characterized&nbs…

Application: Others

Apertureless scanning microscope probe as a detector of semiconductor laser emission

AIP Publishing
Date: Apr 28, 2015

An operating semiconductor laser has been studied using a scanning probe microscope. A shift o…

Application: Others

Frankfurt Laser Company offers the Necsel Matrix Lasers

Frankfurt Laser Company
Date: Apr 27, 2015

Necsel holds key patented technology to be the premium worldwide supplier of high power red, green …

Application: Others

Frequency chirped light at large detuning with an injection-locked diode laser

AIP Publishing
Date: Apr 24, 2015

We have developed a laser system to generate frequency-chirped light at rapid modulation speeds (∼1…

Application: Others

Electrically pumped random lasing based on an Au–ZnO nanowire Schottky junction

Royal Society of Chemistry
Date: Apr 22, 2015

Electrically pumped random lasing based on an Au–ZnO nanowire Schottky junction diode is demonstrat…

Application: Others

BWT 808nm High Brightness Fiber-coupled Diode Lasers

BWT Beijing Ltd.
Date: Apr 20, 2015

The 808nm pump wavelength has long been used for Nd:YAG diode-pumped solid state(DPSS) lasers. As t…

Manufacturer: BWT Beijing Ltd.
Application: Others

Optical characteristics of laser diodes based on A3B5 compounds grown on germanium substrates

springer.com
Date: Apr 15, 2015

A comparative study of the electrical and optical characteristics of laser diodes based on GaAs and…

Application: Others

Discussion of beam quality of semiconductor lasers

SPIE
Date: Apr 13, 2015

Based on the beam characteristics of semiconductor lasers, a new parameter for evaluating beam qual…

Application: Others

Thermal condition of high-power laser diodes

springer.com
Date: Apr 8, 2015

Light-current and current-voltage characteristics of a set of high-power laser diodes of the spectr…

Application: Others

A White Light Source Excited by Laser Diodes

Wiley Online Library
Date: Apr 8, 2015

We developed a compact, high luminance white light source based on nitride semiconductor blue laser…

Application: Others

Strongly asymmetric waveguide laser diodes for high brightness picosecond optical pulses generation by gain switching at GHz repetition rates

IOPscience
Date: Apr 7, 2015

Rate equations analysis, supported by travelling wave simulations, is used to show that a diode las…

Application: Others

Numerical investigation of an impact of a top gold metallization on output power of a p-up III-N-based blue-violet edge-emitting laser diode

De Gruyter
Date: Apr 7, 2015

The effect of modifications in epi-side (top) gold metallization on a thermal performance and on po…

Application: Others

Silicon photonics WDM interconnects based on resonant ring modulators and semiconductor mode locked laser

SPIE
Date: Apr 3, 2015

We demonstrate wavelength domain multiplexed (WDM) data transmission with a data rate of 14 Gbps ba…

Application: Others

Tapered laser diode with linearly effective-refractive-index variation waveguide

SPIE
Date: Apr 1, 2015

We investigated a novel design concept of index-guided tapered LDs with linearly effective-refracti…

Application: Others

Separate phase-locking and coherent combining of two laser diodes in a Michelson cavity

SPIE
Date: Apr 1, 2015

We describe a new coherent beam combining architecture based on passive phase-locking of two laser …

Application: Others

Effect of QW thickness and numbers on performance characteristics of deep violet InGaN MQW lasers

World Scientific Publishing Co Pte Ltd
Date: Mar 31, 2015

The performance characteristics of deep violet indium gallium nitride (InGaN) multiquantum well (MQ…

Application: Others

400 mW output power at 445 nm with narrowband emission from an external cavity diode laser system

SPIE
Date: Mar 20, 2015

Recently, high-power broad-area laser diodes based on GaN with output powers beyond 1 W have become…

Application: Others

Compact silicon photonic wavelength-tunable laser diode with ultra-wide wavelength tuning range

AIP Publishing
Date: Mar 17, 2015

We present a wavelength-tunable laser diode with a 99-nm-wide wavelength tuning range. It has …

Application: Others

Tunable X-Band Optoelectronic Oscillators Based on External-Cavity Semiconductor Lasers

IEEE
Date: Mar 15, 2015
Tunable X-Band Optoelectronic Oscillators Based on External-Cavity Semiconductor Lasers

Laser diodes with optical feedback can exhibit periodic intensity oscillations at or near the relax…

Application: Others,Sensor

High performances of very long (13.5mm) tapered laser emitting at 975 nm

SPIE
Date: Mar 15, 2015

Mode-locked semiconductor laser technology is a promising technology candidate considered by Europe…

Application: Others

Design and fabrication of a resonant mirrors for locking blue laser diodes

SPIE
Date: Mar 13, 2015

The recent development and refinement of Gallium nitride (GaN) semiconductor devices has produced b…

Application: Others

29.5W continuous wave output from 100um wide laser diode

SPIE
Date: Mar 13, 2015

We report modeling and experimental results that demonstrate mechanisms limiting the output power o…

Application: Others

High power operation of AlGaInP red laser diode for display applications

SPIE
Date: Mar 13, 2015

Substantial limitation of output power in AlGaInP based red broad area (BA) laser diode (LD) origin…

Application: Others

Mechanisms driving the catastrophic optical damage in high power laser diodes

SPIE
Date: Mar 13, 2015

The catastrophic optical damage (COD) of laser diodes consists of the sudden drop off of the optica…

Application: Others

OSI Laser Diode Introduces 1625 nm High-Power (350 mW, typical), Pulsed Laser Diode Module

OSI Laser Diode Inc.
Date: Mar 12, 2015

OSI Laser Diode Introduces 1625 nm High-Power (350 mW, typical), Pulsed Laser Diode Module fo…

Manufacturer: OSI Laser Diode Inc.
Application: Others

Numerical simulation and optimization of microstructured high brightness broad area laser diodes

SPIE
Date: Mar 10, 2015

The development of broad area laser diodes towards higher output power, efficiency and brightness i…

Application: Others

Ultrashort pulse generation with semiconductor lasers using intracavity phase- and amplitude pulse shaping

SPIE
Date: Mar 10, 2015

We present intra-cavity pulse shaping of external cavity mode-locked semiconductor lasers. In our a…

Application: Others

Short-wavelength infrared defect emission as probe for degradation effects in diode lasers

SPIE
Date: Mar 10, 2015

The infrared emission from 980-nm single-mode high power diode lasers is analyzed in the wavelength…

Application: Others

Type-I QW cascade diode lasers with 830 mW of CW power at 3 μm

SPIE
Date: Mar 10, 2015

Cascade pumping schemes that utilize single-QW gain stages enhanced both the power conversion effic…

Application: Others

GaSb-based composite quantum wells for laser diodes operating in the telecom wavelength range near 1.55-μm

AIP Publishing
Date: Mar 10, 2015

We have investigated in detail the material, optical, and lasing properties of innovative GaInSb/Al…

Application: Others

Al-free active region laser diodes at 894nm for compact Cesium atomic clocks

SPIE
Date: Mar 10, 2015

Time-frequency applications are in need of high accuracy and high stability clocks. Compact industr…

Application: Others

975 nm high-peak power ns-diode laser based MOPA system suitable for water vapor DIAL applications

SPIE
Date: Mar 10, 2015

Micro-DIAL (differential absorption LIDAR) systems require light sources with peak powers in the ra…

Application: Others

785-nm dual wavelength DBR diode lasers and MOPA systems with output powers up to 750 mW

SPIE
Date: Mar 10, 2015

Raman lines are often superimposed by daylight, artificial light sources or fluorescence signals fr…

Application: Others

Photonic microwave stabilization for period-one nonlinear dynamics of semiconductor lasers using optical modulation sideband injection locking

Optics InfoBase
Date: Mar 9, 2015

Photonic microwave generation using period-one nonlinear dynamics of semiconductor lasers suffers f…

Application: Others

Laser Diode Market to Benefit from Escalating Demand in Developing Countries of Asia Pacific and RoW

Transparency Market Research
Date: Mar 5, 2015

The commercial and industrial use of laser diodes has dramatically increased in the past couple of …

Application: Others

Superluminescent diode versus Fabry-Perot laser diode seeding in pulsed MOPA fiber laser systems for SBS suppression

SPIE
Date: Mar 4, 2015

We demonstrate the use of a pulsed superluminescent diode (SLD) through direct current injection mo…

Application: Others

Design of high-brightness 976nm fiber-coupled laser diodes based on ZEMAX

SPIE
Date: Mar 4, 2015

Fiber-coupled laser diodes have become essential sources for fiber laser pumping and direct energy …

Application: Others