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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

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

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

Multiscale dynamical symmetries and selection rules in nonlinear optics

Multiscale dynamical symmetries and selection rules in nonlinear optics

Symmetries and their associated selection rules are extremely useful in many fields of science For systems of electromagnetic (EM) fields interacting with matter, the symmetries of matter and the EM fields’ time-dependent polarization determine the pro

Ultrasmall Silicon LED Enables High-Resolution Integrated Imaging

Ultrasmall Silicon LED Enables High-Resolution Integrated Imaging

Researchers at the Singapore-MIT Alliance for Research and Technology (SMART) developed a CMOS-based silicon LED that, though smaller than a wavelength, emits light at an intensity comparable to much larger silicon LEDs In a separate study, the researche

New Solar-Pumped Lasers Enhance Solar-to-Laser Conversion Efficiency

New Solar-Pumped Lasers Enhance Solar-to-Laser Conversion Efficiency

Nd:YAG laser rod, BBO crystal, KTP crystal, KDP pockels cell, BBO Q switch,neodymium yag,yag laser crystal,laser nd:yag crystal

Cascaded, multi-harmonic generation yields all-solid-state deep-UV emission III

Cascaded, multi-harmonic generation yields all-solid-state deep-UV emission III

Our single-mode DUV setup is based on an injection-locked, Q-switched 1342 nm Nd:YVO4 ring laser with an average power of 13 9 W and 18 2 ns pulse duration at a pulse repetition frequency of 10 kHz 3 The pulse energy fluctuations are very low (

Cascaded, multi-harmonic generation yields all-solid-state deep-UV emission II

Cascaded, multi-harmonic generation yields all-solid-state deep-UV emission II

An all-solid-state, deep-UV light source alternative to excimer lasers is achieved through cascaded high-harmonic and sum-frequency generation of neodymium yttrium vanadate lasers—with the added bonus of high beam quality and stability