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Laser World of Photonics China 2018 returns to Shanghai in March

Laser World of Photonics China 2018 returns to Shanghai in March

Laser World of Photonics China — the biggest event for the Asian laser, optics and photonics industries — will be held March 14 to 16 at the Shanghai New International Expo Center More than 1000 exhibitors from all over the world are

Premier visits Institute of Crystal Materials Shandong University

Premier visits Institute of Crystal Materials Shandong University

Premier Li Keqiang visited Shandong University (SDU) in Jinan, capital city of Shandong province, on April 21

Effectiveness of Six Irrigation Techniques With Sodium Hypochlorite in Tissue Di

Effectiveness of Six Irrigation Techniques With Sodium Hypochlorite in Tissue Di

Introduction: Complete removal of pulp tissue by mechanical instrumentation remains a challenge The study aimed to assess the efficacy of six irrigation techniques using 3% sodium hypochlorite (NaOCl) in dissolving tissue

Nd:YAG infrared laser as a viable alternative to excimer laser: YBCO case study

Nd:YAG infrared laser as a viable alternative to excimer laser: YBCO case study

We report on the growth and characterization of epitaxial YBa (_{2} )Cu (_{3} )O (_{7- delta } ) (YBCO) complex oxide thin films and related heterostructures

Self-Adaptive Ultra-High Spectrum Purity Laser Using a New Mechanism

Self-Adaptive Ultra-High Spectrum Purity Laser Using a New Mechanism

The development of an ultra-high spectrum purity laser from a weak external distributed perturbation is covered in a recent article from Opto-Electronic Advances

Ho:YAG laser at 2097 nm pumped by a narrow linewidth tunable 1.91 μm laser

Ho:YAG laser at 2097 nm pumped by a narrow linewidth tunable 1.91 μm laser

This study presents a high efficiency Ho:YAG laser based on a narrow linewidth tunable 1 91 μm laser A tunable Tm:YLF laser is the pump source and the wavelength continuous tunability ranges from 1906 04 to 1908 83 nm, corresponding to a linewidth of l

Mid-infrared electronic wavelength tuning through intracavity difference-frequen

Mid-infrared electronic wavelength tuning through intracavity difference-frequen

Mid-infrared tunable coherent light sources are used in various laser applications, such as trace gas detection, laser processing, and biomedical diagnostics This study demonstrates mid-infrared

First Chip-Scale Titanium-Doped Sapphire Laser

First Chip-Scale Titanium-Doped Sapphire Laser

The first chip-scale titanium-doped sapphire laser has been developed by a research team at Yale University Led by Professor Hong Tan, this experimental breakthrough could pave the way for new innovations in atomic clocks, quantum technology and spectros

400 W average power Q-switched Yb:YAG thin-disk-laser

400 W average power Q-switched Yb:YAG thin-disk-laser

We report on producing up to 403 W average power directly from an acousto-optically Q-switched Yb:YAG thin-disk laser (TDL) To achieve this power, it has theoretically and experimentally been shown that the laser stability border could be shifted toward

Single-frequency fiber lasers using rare-earth-doped silica

Single-frequency fiber lasers using rare-earth-doped silica

Commercial silica fibers doped with ytterbium and erbium achieve sufficient gain to enable fabrication of distributed Bragg reflector single-frequency fiber lasers

Scientists propose revolution in complex systems modeling with quantum technolog

Scientists propose revolution in complex systems modeling with quantum technolog

Scientists have made a significant advancement with quantum technologies that could transform complex systems modeling with an accurate and effective approach that requires significantly reduced memory

In-fibre second-harmonic generation with embedded two-dimensional materials -II

In-fibre second-harmonic generation with embedded two-dimensional materials -II

Although bulk silica itself has zero second-order susceptibility, there is a minor contribution stemming from the surface of the ECF core This surface imposes symmetry breaking perpendicular to the optical axis, which, in turn, leads to SHG We use the S

In-fibre second-harmonic generation with embedded two-dimensional materials

In-fibre second-harmonic generation with embedded two-dimensional materials

Silica-based optical fibres are a workhorse of nonlinear optics, providing ready access to a range of nonlinear phenomena including solitons and self-phase modulation However, they have one fundamental limitation: due to the amorphous nature of silica, t

High-Performance Second-Harmonic-Generation (SHG) Materials: New Developments an

High-Performance Second-Harmonic-Generation (SHG) Materials: New Developments an

Second-harmonic-generation (SHG) causes the frequency doubling of light, which is very useful for generating high-energy lasers with specific wavelengths Noncentrosymmetry (NCS) is the first requirement for an SHG process because the SHG coefficient is z

Rotational Doppler effect in nonlinear optics

Rotational Doppler effect in nonlinear optics

The translational Doppler effect of electromagnetic and sound waves has been successfully applied in measurements of the speed and direction of vehicles, astronomical objects and blood flow in human bodies1,2,3,4,5,6,7,8, and for the Global Positioning Sy