Ultrafast fiber laser produces record high power

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Credit: Pixabay/CC0 Public Domain

Researchers have developed an ultrafast fiber laser that delivers an average power more than ten times what is available from today’s high-power lasers. The technology is poised to improve industrial-scale materials processing and paves the way for visionary applications.


Michael Müller, a Ph.D. student of Prof. Jens Limpert from the Friedrich Schiller University’s Institute of Applied Physics and the Fraunhofer Institute of Institute for Applied Optics and Precision Engineering in Jena, Germany, will present the new laser at the all-virtual 2020 OSA Laser Congress to be held 12-16 October. The presentation is scheduled for Tuesday, 13 October at 14:30 EDT.

High power without the heat

In lasers, waste heat is generated in the process of light emission. Laser geometries with a large surface-to-volume ratio, such as fibers, can dissipate this heat very well. Thus, an average power of about 1 kilowatt is obtained from today’s high-power

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Revealing the reason behind jet formation at the tip of laser optical fiber — ScienceDaily

When an optical fiber is immersed in liquid, a high temperature, high speed jet is discharged. Researchers expect this to be applied to medical treatment in the future. Now, a research team from Russia and Japan has explored this phenomenon further and revealed the reasons behind the jet formation.

Lasers using a thin optical fiber and combined with an endoscope and catheter can be easily transported into deep areas of the body or inside blood vessels. Traditionally, affected areas or lesions are removed by generating heat inside the tissue through laser absorption — a process known as the photothermal effect.

Yet, hydrodynamical phenomena, such as microbubble formation or high-speed jet generation from the optical fiber, show immense medical promise.

The process of jet formation happens when the laser is irradiated to the water, causing the water to boil and a vapor bubble to form at the tip of the optical

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$17.6 Billion Laser Technology (Solid, Liquid, Gas and Others) Market – Global Forecast to 2025

The “Laser Technology Market by Type (Solid, Liquid, Gas and Others), Revenue (Laser Revenue and System Revenue), Application (Laser Processing and Optical Communications), End User, Geography – Global Forecast to 2025” report has been added to ResearchAndMarkets.com’s offering.

The Laser Technology Market Size is Expected to Grow from USD 11.7 Billion in 2020 to USD 17.6 Billion by 2025, at a CAGR of 8.6%

Increasing demand from healthcare vertical and Better performance of lasers over traditional material processing techniques are the key factors driving the growth of the Laser technology market.

Solid type lasers to hold the largest size of Laser technology market during forecast period

The market for solid lasers accounted for the largest size in 2019. A solid laser is the one that consists of an active medium in the solid form. The active medium in a solid laser comprises a glass or crystalline host material, which is

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Measurements in thorium-229 take a step towards the direct laser excitation of an atomic nucleus in this unique isotope — ScienceDaily

Nuclear clocks could make our time measurement even more accurate than atomic clocks. The key to this lies in thorium-229, an atomic nucleus whose lowest excited state has very low energy. A research team from the Kirchhoff Institute for Physics at the University of Heidelberg, TU Wien, Johannes Gutenberg University Mainz (JGU), the Helmholtz Institute Mainz (HIM), and GSI Helmholtzzentrum in Darmstadt has now succeeded in measuring this low energy. Using an extremely accurate detector, it was possible to detect the tiny temperature increase due to the energy released during the de-excitation of the atomic nucleus. This brings the realization of a nuclear clock a big step closer.

In radioactive decay, atomic nuclei spontaneously re-arrange, eject some part of their building blocks, and transform into a nucleus of a different atom. In this process, the new “daughter atom” usually has internally stored energy that is released in the form of

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Scientists Built the Best Solar Laser Ever

  • New research shows a working solar laser that doesn’t require a curved mirror collector.
  • The result is a flat design like a solar cell that can absorb more, and less direct, sunlight.
  • With proof of concept in hand, scientists say they can fine-tune the design even more.

    Scientists in Japan and Germany have made a breakthrough in the field of solar lasers—and they’ve changed the game completely.

    🤯 You like badass science. So do we. Let’s nerd out over it together.

    For the first time, they say, a solar laser isn’t simply a supervillain-like huge angled mirror. The new design involves a kilometer of silica fiber that’s doped with a neodymium isotope and then kept in a cylindrical container of solution. The entire assembly acts as a solar collector, but doesn’t require the unwieldy size and low efficiency of a curved mirror.

    In Communications Physics, the large international team

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    Industry Analysis of Laser Cladding Material Market Size, Segments, Applications, Types, Competitors, Demographics and Forecast to 2026

    The MarketWatch News Department was not involved in the creation of this content.

    Sep 23, 2020 (The Expresswire) —
    “Laser Cladding Material Market” provides key analysis on the market status of theLaser Cladding Material manufacturers with best facts and figures, meaning, definition, SWOT analysis, expert opinions and the latest developments across the globe. The Report also calculate the market size,Laser Cladding Material Sales, Price, Revenue, Gross Margin and Market Share, cost structure and growth rate. The report considers the revenue generated from the sales of This Report and technologies by various application segments.

    COVID-19 can affect the global economy in three main ways: by directly affecting production and demand, by creating supply chain and market disruption, and by its financial impact on firms and financial markets.

    Final Report will add the analysis of the impact of COVID-19 on this industry.

    TO UNDERSTAND HOW COVID-19 IMPACT IS COVERED IN THIS REPORT

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    Medical Laser Technology Market 2020 : Top Countries Data with Market Size, Share, Growth Analysis, Industry basis of Region to 2026

    The MarketWatch News Department was not involved in the creation of this content.

    Sep 25, 2020 (The Expresswire) —
    “Medical Laser Technology Market”Research Report 2020-2026 provides key analysis on the market status of the Medical Laser Technology manufacturers with best facts and figures, meaning, definition, SWOT analysis, expert opinions and the latest developments across the globe. The Report also calculate the market size, Medical Laser Technology Sales, Price, Revenue, Gross Margin and Market Share, cost structure and growth rate.This report is comprehensive statistical analysis of the Medical Laser Technology with Market data Tables and Figures which spread through 90 Pages and in-depth TOC onMedical Laser Technology Market that provides data for making strategies to increase the market growth and success.

    COVID-19 can affect the global economy in three main ways: by directly affecting production and demand, by creating supply chain and market disruption, and by its financial impact on

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    Clinical Evaluation of Individualized and Navigated Microsecond Pulsing Laser for Acute Central Serous Chorioretinopathy

    Introduction

    Central serous chorioretinopathy (CSC) is a pathology of the central zone of the retina occurring predominantly in young/middle-aged males. It is characterized by an idiopathic serous detachment of the neurosensory retina with leakage of fluid through the retinal pigment epithelium (RPE) into the subretinal space, which may be accompanied by detachment of the RPE.1 Local defects in RPE cells with violation of the blood-retinal barrier and pumping functions play an important role in the development of CSC. Treatment should aim to restore the external blood-retinal barrier without causing excessive damage to adjacent tissues.2–4 A common approach to treating CSC is focal laser photocoagulation of the retina at the leaking point based on fluorescein angiography (FA) images.2–10 With the active evolution of laser surgery and the development of the navigated laser system Navilas (OD-OS GmbH, Teltow, Germany), it is possible to control laser focus accurately. Treatment accuracy

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