State-of-the-Art Laser Spectroscopy and its Applications
The recent advances made in both laser sources and detectors has opened up new opportunities for laser spectroscopy-based sensing and detecting techniques. Laser …
Targeted Acoustic Laser Communication (TALC) | MIT Lincoln …
This acoustic laser communication system provides safe, remote transmission of audio messages to one recipient's ears only. Download PDF. Using a laser tuned to interact …
Selective Laser Sintering (SLS), a New Chapter in the …
2. Overview of Studies. Fourteen publications on SLS applied to the pharmaceutical research have been identified on the MEDLINE ® database from 2017 to 2020. The objectives, used materials, dimensions of the printlets and drug release profiles for each study are presented in Table 1.The majority of the studies …
Targeted Acoustic Laser Communication (TALC) | MIT …
TALC uses a very specific wavelength of light (1.907 μm) because it is strongly absorbed by ambient water vapor and is easily produced via thulium fiber laser. Our technique provides directionality and localization of the sound by using a rotating mirror, or acousto-optic modulator, to sweep the laser beam in an arc.
(PDF) On the crystal structure and compressional behavior of talc…
In the present work, a state of the art first principles theory is used to examine the structural and mechanical properties of calcium carbonates CaCO3. Our calculations allowed full structural relaxation, which permits an appropriate evaluation of material properties at ambient conditions as well as under hydrostatic pressure.
Thresholdless coherence in a superradiant laser | Light: …
The atoms in the ground state go through a nanohole array in Fig. 4b with hole spacing in both x and y directions matched with the transition wavelength of the 1 S …
Laser cleaning in conservation of stone, metal, and painted …
In the present work the application of laser cleaning in the conservation of cultural assets is reviewed and some further developments on the interpretation of the associated laser-material interaction regimes are reported. Both the state of the art and new insights mainly focus on systematic approaches addressed to the solution of …
High-energy laser weapons: A defense expert explains how …
The high-energy laser systems that are finding military applications are based on solid-state lasers that use special crystals to convert the input electrical energy into photons.
Laser Cleaning State of the Art
ciated laser-material interaction regimes are reported. Both the state of the art and new insights mainly focus on system-atic approaches addressed to the solution of representative cleaning problems, including stone and metal artifacts along with wall and easel paintings. The innovative part is en-
State of art: Review on laser surface hardening of alloy metals
The experimental set-up seen in Fig. 3c was maintained, along with the variables for the laser power, which was gradually increased from 100 W to 300 W with an increment of 50 W, and the scan speed, which also changed from 12 mm/s to 20 mm/s with a 2 mm/s increment. For 75 experimental tests, each test is performed up to three times. …
State of the Art Tunable Lasers | Santec Holdings …
State of the Art Tunable Lasers. Here to view our Tunable Lasers. What is a tunable laser? In conventional lasers, the tunability of the laser is determined by the laser's medium and cannot be changed freely. By …
The Use of Green Laser in LiDAR Bathymetry: State of the Art …
1. Introduction. In recent years, there has been considerable interest in mapping shallow inland water bodies [1,2] and marine coastal zones [] due to statutory provisions [] obliging Member States to document their freshwater resources and to take measures to protect their waters.Moreover, this obligation should be performed …
Whitening and purification of calcined talc powders from black talc …
As the main raw material for ceramics and coatings, black talc contains high contents of organic carbon and quartz, which deteriorates the whiteness and purity of calcined talc. In this work, calcined talc powders with high whiteness and purity have been prepared by the milling and reactive calcination of black talc with magnesium …
Review State-of-the-art of selective laser melting process: A
The continuous laser approach produced fewer defects and more excellent fatigue resistance. The pulsed laser produced a more homogeneous microstructure, …
Tourism destination development: the tourism area life cycle …
Introduction and definition. The tourist area life cycle (Butler, Citation 1980) has been in existence for over four decades since its publication in The Canadian Geographer and was described by Hall and Butler (Citation 2006, p. xv) as 'one of the most cited and contentious areas of tourism knowledge….(and) has gone on to become one …
A state-of-the-art direct metal laser sintering of Ti6Al4V …
A state-of-the-art direct metal laser sintering of Ti6Al4V and AlSi10Mg alloys: Surface roughness, tensile strength, fatigue strength and microstructure ... mini specimen and a set of rotating bending specimens of DMLS Ti6Al4V after heat treatment and surfaces in the as-built state [54]; with permission from Elsevier publisher. Kim et al ...
Laser-Induced Graphitization of Diamond Bulk: The …
of research—laser-induced modification of diamond bulk by near-IR or visible laser pulses focused at a specified point—has been actively developed. On the one hand, laser modification of diamond bulk is con-sidered as controlled formation of peculiar defects in the bulk by low-intensity laser pulses (below the graphitization threshold) [8 ...
Talc, body powder, and ovarian cancer: A summary of the …
Talc is a soft and inert mineral with a high capability to absorb water and organic matter. It is used in a wide range of products, including paper, plastics, paint, rubber, agricultural products, pharmaceuticals, and cosmetics [].Because of its capacity to bind water, talc powder has been used in baby powders and feminine hygiene products …
The state of the art in swept-wavelength laser Fizeau interferometry
A powerful technique for interference fringe analysis uses tunable light sources. Originally developed to solve the problem of phase shifting in large aperture systems, the technique has evolved to the simultaneous measurement of multiple surfaces and optical thickness of optical assemblies and components. Here we review the principles and current state of …
Waterjet machining and research developments: a review
Waterjet machining has attracted great attention in the conditions of hard-to-machine materials, microstructures, or complicated industrial components, and it has become well-established in all major areas of theoretical researches and already been found across the broad spectrum of technical application areas especially in the specific …
(PDF) Overview of laser applications: The state of the art …
Laser-based manufacturing techniques generally have the capability to provide an unlimited flexibility of geometry and complexity, which offer special opportunities in various industries including ...
Considerations and future perspectives for the vibrational
However, the move from academic research toward forensic casework is not without challenges. In this article, we provide a focused exploration of the current state …
State-of-the-art laser diode illuminators for automotive LIDAR
A. Laugustin, C. Canal, and O. Rabot, "State-of-the-art laser diode illuminators for automotive LIDAR," in 2019 Conference on Lasers and Electro-Optics Europe and European Quantum Electronics Conference, OSA Technical Digest (Optica Publishing Group, 2019), paper cb_p_15.
Synthetic talc and talc-like structures: preparation, …
This paper offers a comprehensive review about the different natures, the synthesis methods and the applications of synthetic nanotalc. Table 2 summarizes the main …
Clay calcination technology: state-of-the-art review by the …
This critical review presents an overview of the state of the art in the existing technologies and processes that can be adopted for producing calcined clays, covering different stages from the Earth's crust to the factory gate. ... Hanein T et al (2020) Production of MSH cement using talc mine tailings as a source of magnesia. In: 74th RILEM ...
American Laser Group Unveils State-of-the-Art Laser
American Laser Group Unveils State-of-the-Art Laser Services in Spring, Texas Featuring Astanza Technology. February 15, 2024 11:35 ET | Source: Astanza Laser SPRING ...
State of the Art in Laser Surface Texturing | SpringerLink
The paper reviews the current effort being made world wide on laser surface texturing in particular. It presents the state of the art in LST and the potential of this …
State of the art on cryo-laser cryo-sclerotherapy in lower
Here we describe a combination of neodymium:yttrium-aluminium-garnet 1064-nm laser emission and injection of 75% dextrose solution to treat lower limb reticular veins. The strategy is known as cryo-laser cryo-sclerotherapy. Preliminary outcomes are reported, showing ecchymosis in up to 30% of cases …
A state-of-the-art direct metal laser sintering of Ti6Al4V and …
Direct metal laser sintering (DMLS), a 3D technique, can produce high strength and good corrosion resistance parts. DMLS utilizes the powder particles …
State of the Art: Laser Surface Texturing for Biomedical …
The paper depicts the in-depth review of laser surface texturing on engineering materials considering its application in the field of biomedical applications. A sufficient literature survey has been done and the important aspects have been critically reviewed. The effect of laser surface texturing on various parameters of the biomedical application has been …
A state-of-the-art digital factory integrating digital twin for laser …
A state-of-the-art digital factory integrating digital twin for laser additive and subtractive manufacturing processes - Author: Usman Tariq, Ranjit Joy, Sung-Heng Wu, Muhammad Arif Mahmood, Asad Waqar Malik, Frank Liou ... processes. The current shortcomings and outlook of the DF also have been highlighted. A DF is a state-of-the-art ...
Laser ablation molecular isotopic spectrometry (LAMIS): current state
Laser Ablation Molecular Isotopic Spectrometry (LAMIS) is a direct and rapid technique that measures optical emission in laser-induced plasmas for isotopic analysis. LAMIS exploits relatively large isotope shifts in spectra of transient molecular isotopologues formed in laser ablation plasma. LAMIS can be pe JAAS 30th anniversary
STATE OF THE ART FIBER LASER CUTTING
Precision Metal Products LLC. is proud to provide precision laser cutting for the creation of custom metal parts from sheet metal and plate. Our state of the art Trumpf TruLaser 2030 fiber 2D laser cutting can make thousands of cuts in various types of metal per hour, with every cut from the first to the last having the same level of precision. With this laser, …
The State-of-the-Art and Perspectives of Laser Ablation for …
Tumors significantly impact individuals' physical well-being and quality of life. With the ongoing advancements in optical technology, information technology, robotic technology, etc., laser technology is being increasingly utilized in the field of tumor treatment, and laser ablation (LA) of tumors …
State of the art on atomistic modelling of laser polishing
Laser polishing is a complex a electro-opto-mechanical system comprising multiple interconnected subsystems. Fig. 1 depicts the configuration of a standard laser polishing system. The various subsystems in laser polishing includes [31]:. Laser substem: The generation and delevery of the laser energy to the surface of the …