Essays on laser

"Selective Laser Melting Process" paper reviewы the existing body of literature of SLM and its application in the production of Ti6Al14V alloys. It is because; the existing literature body will provide a deeper understanding of SLM processes, Ti6Al14V alloys, and geometry formation parameters. ... the research recommendations reveal that there is still too little information on the process and geometric characteristics of a single track on Ti6Al14V which forms the basic topic of research. This means...

In the paper 'A Laser Testing Machine' the author focuses on ABC Manufacturing Limited, which is actively involved in the manufacturing of standard high strength steel reinforced weights for gyms. The company places high importance on the quality of the end product.... The author states that in order to test the strength and the durability of the weights produced, the company currently employs destructive testing, i.e., the amount of load required to break the weight. A random sample is taken from...

This review intends to investigate the technology behind the Laser forming of sheet metals. Based on examination of magazine articles, published journals, published books and internet sites, this report focuses on creating an understanding of the attributes of Laser forming of sheet metal.... Laser forming of sheet metal is an extremely flexible rapid modeling and low –volume constructing process. This process uses thermal distortion induced by Laser rays to shape sheet metal into the required...

The paper "Eye Laser Surgery" tells us about using lasers to reshape the front surface (cornea) of your eyes so that you can focus better. It can correct short-sightedness, long-sightedness, and astigmatism.... Laser eye surgery is a medical procedure that involves the use of a Laser to reshape the surface of the eye. This is done to improve or correct short-sightedness, long-sightedness and astigmatism. It can also be helpful in overcoming presbyopia (difficulty seeing up close as we get older)....

The study "Cold Laser Therapy Issues" critically evaluates some of the claims made by the United States Food and Drug Administration on the efficiency of cold Laser therapy for many health problems - from smoking cessation to weight loss and herpes treatment.... Cold lasers are also known as biostimulation lasers, soft lasers, Laser acupuncture devices, and low-level Laser therapy. The US Food and Drug Administration has approved the marketing of cold lasers as adjunctive devices for temporary pain...

The following paper under the title 'Airborne Laser Scanning' gives detailed information about a remote sensing technology. It actively conveys light pulses towards the targeted object, hence receiving the light that is scattered and reflected by these objects.... An Airborne Laser Scanning system is composed of an Inertial Measurement Unit, a Laser Scanner Unit, and a Global Positioning System receiver. The first crucial step in DEM generation from Airborne Laser Scanning is separating the Airborne...

The essay "Applications of Laser Technology" focuses on the critical, and thorough analysis of the major peculiarities of the applications of Laser technology. Lasers have readily gained prominence and significance in the life of an average person in this world.... Whether it's our industries, our medical research, surgical procedures, or even defense mechanisms, lasers have gained immense importance in all of these aspects. This significance is no surprise, as the precision and accuracy that one...

"Femtosecond Laser Cataract Surgery" paper states that the triumphant achievement of a case in cataract surgery using femtosecond lasers does create a better wound, that is more spherical and a capsulotomy that is more sized and helps in the diminution of the standard phacoemulsification power. ... Quality setbacks are presently reflected in the broad disparity in effect to health care services, the overuse and underuse of a number of services, and the exploitation of others. Currently, improving...

The paper describes the full form of the word Laser and its description. The Laser is an acronym, a word constructed of the initial syllables. The full form is light amplification by stimulated emission of radiation. The Laser is different from normal light.... Lasers - Lasers are designed to produce and amplify this stimulated form of light into intense and focused beams. This special capacity has made Laser technology a great tool for many aspects of human life, communication, manufacturing activities,...

Since the time of our ancestors, there have been processes aimed at the formation of raining in significant volumes. These processes did not work, or they worked but the volume of the rainfall formed was not significant enough. The modern century saw the introduction of lasers. ... In the media article, the process of condensing gas particles to liquid particles is briefly described. It argues that the productivity of the condensing process is still a dream to be achieved. Laser Beam Condensation...

Name Professor Course Date Key Words: Semiconductor Compound, Semiconductor, Semiconductor Laser, Gallium Nitride blue Laser History and development Gallium Nitride blue Laser knowhow started at Cornell University with the formation of Laser facets by utilizing Chemically Assisted Ion Beam Etching (CAIBE) process.... Motivation behind this knowhow and its development thereafter to the current, encompassed prospects for profits and foreseeable economic benefits especially for the society (Jang et...

The paper "Low-Level Laser Treatment Modality" highlights that in a period of close to 5 years, this treatment modality will be the most preferred modality due to the fact that it is not associated with pain. On the other hand, more ailments will be tackled through its application to patients.... The treatment modality has been applied in the treatment of several ailments exhibited in animals. An example, in this case, is the alteration of tissue DNA in animals that had been injured especially on...

This coursework "Laser Scanning in Road Profiling" explores the implications of Laser scanning in profiling road surfaces. The features of the equipment are detailed. Further, the advantages and disadvantages of using the equipment in road profiling are discussed.... Road surface profiling is an essential constituent of road engineering. The activity is of particular significance to road builders, the government and contractors, since it is a primary source of data on micro- and macro-structures,...

“The world printing machinery and supplies industry is expected to exceed $21 billion by 2015, according to Global Industry Analysts” (Printer and Copier Industry: Market Research Reports, Statistics and Analysis, 2014). The case of UK is not an exception. Strong growth... However, the major reason for these growth prospects of printing industry in UK is the strong growth in the inkjet printing industry rather than the Laser printing industry. Many reports have shown that UK's Laser UK Laser printer...

According to research findings of the paper 'Laser Welding of Dissimilar Metals', According to the heat input equation the heat input value has inversely property with the speed value, this explains the defect (undercut) which is showing up in the small values of speed, as speed were (0.8 and 1 m/min). ... These metals were received in the form of plates of 350×10×3 mm from the vendors and were precisely machined on the Milling machine in the mating areas of both the metals to avoid...

The difficulty is as a result of special chemical properties of crucial elements within the steel composition. Fe, which serves as a matrix... Therefore, a certain degree oxidation is unavoidable under normal SLM conditions and powder handling [1]. More so, during Laser processing, there is a likelihood of occurrence of the balling phenomena. This is as a result of the presence of Paraphrased Final al Affiliation: It was deduced, from various research literature, that there was impossibility of steel...

The reporter casts light upon the fact that before the intervention of the government, the market results into an equilibrium quantity and price established at the meeting point of the marginal private cost (MPC), or the supply curve and the demand curve represented by P1 and Q1.... Figure 1 below shows a standard demand and supply of the dumped Laser cartridge in Kuwait; before and after internalizing the externalities. Producers and consumers benefit from the gains as a result of this equilibrium....

This paper 'Laser As A Medical Device' describes the revolutionary development in the field of Laser and eye surgery, which is known as LASIK. This refractive eye surgery has undergone a lot of research due to which there are several types of LASIK in the field today.... The author explains that Laser (light amplification by stimulated emission of radiation) is a device that emits light through a process called stimulated emission; this process was first theorized by Albert Einstein. Some common...

The study "Laser Scanning for Road Profiles" centers on the use of Laser scanning as a tool for surveying in determining distances on a road profile that could be either vertical or horizontal. A profile is the representation of the road showing all the features along its axis.... Laser scanning is the process used in surveying from 1998. The process is a new technology that does precise surveying. The technology is getting into the minds of several surveyors and engineers in the name of getting...

This thesis "Concepts in Laser Periodontal Therapy " discusses chronic periodontitis as an infectious disease characterized by the inflammation of the tissues protecting and supporting the tooth. It is a painless and gradual progression of attachment loss attended by bone resorption.... Believed to be initiated by a host's immunity to a consortium of bacteria rather than by a single microorganism [14], with bacterial plaque gradually accumulating with time causing secondary tissue inflammation known...

According to research findings of the paper 'Vertical Cavity Surface Emitting Laser', the huge production opening of VCSELs, contrasted to the majority of edge-emitting lasers, creates a minor deviation angle of the productivity ray and causes high-pairing effectiveness with optical fibres.... VCSEL – Vertical Cavity Surface Emitting Laser – is a semi-conductor micro Laser diode that originates light in a cylindrical shaft of light directly from the exterior side of a manufactured wafer,...

The paper "Electrocauterization, Chemical, and Laser Cauterization " states that cauterization is a procedure that has been performed for centuries to help patients of various diseases across the globe. Like all medical procedures, cauterization has its pros and cons.... Cauterization refers to a medical procedure that involves creating burns on body tissues in an attempt to stop bleeding, close wounds, or close amputations (Narayan, Hayward, Soballe, Nimbkar, Nielsen, & Drucker 263). The process...

The paper "Effectiveness of Using Low-Intensity Laser Therapy" describes that people who are warned against using this form of treatment include individuals with clotting disorders, individuals at risk of developing Keloids and people with Insulin-dependent diabetes.... The technique makes use of high energy carbon dioxide which is either pulsed or scanned. Another material that can be used is the Yttrium-Aluminium-Garnet (Er: YAG). The basis behind the technique is that the Laser emitted has high...

The paper "Laser Welding Gaseous Minerals and Submersed " presents that Laser welding is the methodology in manufacturing that involves the joining of two metals together using the Laser beam. Apparently, the Laser represents 'Light Amplification by Stimulated Emission of Radiation.'... Laser welding has several disadvantages; the first disadvantage is the fact that Laser equipment is very expensive. Amada Miyachi (2017) noted that the filler material is also relatively costly and must be used in...

This paper focuses on Laser Cutting and Welding Machines. It applies a very high powered Laser to help in the cutting of the perforation plates or sheets which is made up of plastic, rubber, stone, glass, rubber, composite materials or foam.... The most lasers cutting with the welding machines apply the use of carbon dioxide lasers or the neodymium-doped and also the yttrium aluminum garnet lasers. There are also thousands of other lasers which are available. The carbon dioxide Laser cutting and...

The contemporary need for increased productivity, in terms of high-quality manufacture through ultra-fast and efficient Laser technology, has been instrumental in the production of great products and components essential in terms of every day application. Because of enhanced... nological advancement, Laser printing has enabled various firm-entities engage in the production and, or manufacture of various delicate products or components. An example of a product or component manufactured in this way...

The essay "Disadvantages of Laser Applications in Homeland Security" focuses on the critical analysis of the main disadvantages of Laser applications in the field of Homeland security in the US. After the September 11 2001 bombing, Homeland security was created.... This was entirely entrusted with utilizing technology and information gathering capabilities to keep the United States Homeland secure against terrorist attacks (Bureau of Consular Affairs, 2013). They entirely used video surveillance;...

The project 'Laser Triangulation for 3D Shape Estimation' was designed to bring forth a low-cost system that is capable of utilizing Laser triangulation for 3D shape estimation and inspection of simple components. In designing this project, the groups went through a variety of process.... The background for the project was that as the result of coming up with a low-cost system, the quality production by Laser triangulation could be improved and the bulkiness during operation reduced. At the end of...

This essay "Laser Technology and the 21st Century" will provide the outline of Laser technology's history and its role in the 21st century. The 21st century has become the epitome of the scientific revolution that has significantly impacted business processes and their performances.... The technology is extensively used in the development of optical storage devices like DVDs and CDs where a huge amount of data can be stored (Hitz et al., 2001). Laser printers and pointers are also widely used in...

This essay "The Invention, Construction and Function of the Laser" shows that the pioneer in Laser technology was Gordon Gould who developed the Laser process at Columbia University in 1958. Subsequently, Theodore Maiman from Hughes Research Laboratory.... The word Laser is an acronym for Light Amplification by Stimulated Emission of Radiation. Albert Einstein first identified the natural process constituting the stimulated emission of radiation of Laser beams. 'The invention of the Laser was one...

"How Police Radar Gun and Laser Speed Gun Work" paper states that a normal radar emits a radio pulse and then waits for the reflection. After receiving the reception, it then measures the signal's Doppler shift and utilizes the shift to establish the speed of the object and how far it is. ... The radar systems also need to be improved in order to take 4 or 5 readings before taking a photo. They can take up to 3 photos a second by using a fast drive motor drive camera system. The system also needs...

The paper "Role of Low-Intensity Laser Therapy Hair Transplant Operative Surgery" states that Laser sites are decreasing each day, and the problem of thermal damage needs to be adequately addressed, the advantage of producing large numbers rapidly is increasing for uniform sites.... Hair transplantation is a rapidly evolving technique; while several steps have standardized procedures; many variations are being used by different surgeons. The procedure is a skill-oriented technique and hence different...

The proposal "Forensic 3D Laser Scanning of Footwear Impression Evidence" focuses on the critical analysis of the alternative method that entails a 3D Laser scanning of footwear impression evidence with the use of a FARO "Freestyle" 3D Scanner based on the multi-view stereo.... It is very critical to capture impression evidence images in crime scene investigations. For instance, shoe impressions, tire tracks, fingerprints, bloodstains, and many more are captured (Houck, and Siegel, 2010). For a criminal...

The paper "Semi-Volatile Unadulterated Artificial Laser Doppler Imaging of Blisters" presents that Dimethylnitrosamine (DMN), is a semi-volatile organic chemical that is highly toxic and is a suspected human carcinogen and appears to poison the human liver.... Through the use of standard-temperature-time-curve, it is possible to illustrate the phase of the fire takes hold. Usually, there will be no taking into account the initial start phase of the real fire and thus limiting any similarity with...

I. COMPANY PROFILE Apple can be said to be one of the most innovative Information Technology Company in the world today and this has been its way since its founding by two young innovators, Steve Jobs and Steve Wozniak. One of the most memorable moments in the history of this company was the unveiling of the Macintosh in 1984, which managed to garner a large following of consumers who appreciated the good quality of its design and were willing to pay high prices for it.... Over the years, Apple...

The paper "Role of Low-Intensity Laser Therapy for Pre and Post Operative Therapy" describes that low-level Laser therapy that has been using HeNe Laser has been used in the treatment of postherpetic neuralgia and this condition has been seen as causing problems in clinical management.... Low-level Laser therapy (LLLT) has been used to heal burn wounds and that has been termed as a problem issue for doctors and the wounds have been burning with hypertrophy and contracture The conventional treatment...

ecently, there has been a suggestion to use Laser machines in dermatology clinics of government hospitals for cosmetic procedures which are not going to be free of cost.... There is economical interest behind this step, or in easy words, government will make money by bringing Laser cosmetic procedures in government hospitals and charging fee.... They will have to wait unnecessarily for the resources (Laser machines) to be available.... When decision has to be made on the basis of change in quality of life, those patients must be preferred who need Laser machines for more serious skin diseases....

Article summary The difference between a conventional Laser and a random Laser is in the mode of the feedback obtained.... The difference between the conventional Laser and the random Laser has been identified in their feedback mechanisms, where the conventional Laser applies a system of gain medium and cavity to give a feedback.... Article summary The difference between a conventional Laser and a random Laser is in the mode of the feedback obtained....

The present study was conducted to compare the clinical results of conventional SRP with a therapy using SRP with Er, Cr: YSGG Laser as an adjunct, performed on patients with early to moderate periodontitis within a period of one year.... The study "Chronic Periodontitis as an Infectious Disease" focuses on periodontal healing, the role of the PDL in the healing, and the need to exclude epithelial cells from proliferating in the periodontitis....

This refers to the Laser system, which is used to manufacture fiber optics in the plant.... Laser.... This refers to the whole Laser 'system' that consists of the following: Excitation Mechanism.... Refers to the gas chamber where energy from the power source is amplified, emitting the Laser beam.... Refers to the mechanism that amplifies the Laser beam by bouncing the beam back and forth inside the active medium....

ompany Machine Provider Based on Metal Powder Bed Concept Laser Concept Laser Gmbh is a company that manufactures rapid manufacturing systems that are used as building parts and tools straight from 3D CAD designs.... They make machines that are marketed using the term “Laser cusing,” This term is derived from cladding and fusing.... Concept Laser is a branch of the Hoffman Innovation Group company that is a plastic processing company that has a significant injection mold-making expertise....

This paper "The Alternative Methods of Improving Surface Finish during the Building Process Parts" discusses post-processing parts in selective Laser melting (SLM) machine.... Selective Laser Melting (SLM) is an additive manufacturing process that has been advanced from the Selective Laser Sintering (SLS) into a process that has the capability of manufacturing low volume, high value, end-use sections from the ever increasing inventory of alloys and metals (Daniel 2009)....

The paper "Lasers in the Modern World" states that advancement in lasers will therefore bring even much more help to the ever-growing and advancing global society. Unless someone is not very keen, lasers' applications and use will always be found around us be it at home, school, or any other place.... Overexposure to lasers can lead to many health problems such as the destruction of human eyes. The direct light which is highly intensified can harm the eye when someone looks at it directly. There...

Company Machine Provider Based on Metal Powder Bed Concept Laser Concept Laser Gmbh is a company that manufactures rapid manufacturing systems that are used as building parts and tools straight from 3D CAD designs.... They make machines that are marketed using the term “Laser cusing,” This term is derived from cladding and fusing.... Concept Laser is a branch of the Hoffman Innovation Group company that is a plastic processing company that has a significant injection mold-making expertise....

ources of high-energy Ytterbium-doped fiber amplifiers find application is several areas, which include spectroscopy as well as Laser remote sensing.... Various presentations that previously been made with regard to high-energy Ytterbium-doped fibers include single frequency pulsed Laser.... The Laser has four stages of fiber amplification.... The system considers the seed Laser with regard to its low power, which results in the modulation of the continuous wave (CW) Laser using an acousto-optic modulator (AOM)....

As the paper "Do X-Ray Lasers Exist" tells, X-ray lasers may sound like something from science-fiction novels to many average people. Back in the 1970s, the concept of X-ray Laser was already known when scientists discovered better characteristics of a Laser beam amplified with ions than with gas.... Even if dinosaurs were warm-blooded, they had to have some mechanism to maintain this temperature and not to get overheated, like elephants and other contemporary giants. Despite the continuous researches,...

In the paper 'Delayed Suprachoroidal Haemorrhage' the author focuses on cyclodiode Laser utilizing 810 nm wavelength, which has emerged as an effective tool in the treatment of severe cases of glaucoma which are resistant to other conservative or surgical therapeutic options.... The author of the paper states that the Laser burns the ciliary body reduces the production of the aqueous humor and reduces intraocular pressures even in refractory disease.... Delayed Suprachoroidal Haemorrhage following Cyclodiode Laser Therapy Cyclodiode Laser utilizing 810 nm wavelength has emerged as an effectivetool in the treatment of severe cases of glaucoma which are resistant to other conservative or surgical therapeutic options (Sabri 1999)....

xamine the diffraction pattern formed by Laser light passing through single and double slits. ... o compare the actual He-Ne Laser wavelength with one determined in the single slit experiment.... aser Assembly (He:Ne Laser 632.... o not stare into the Laser beam!... See Laser safety appendix.... eware of reflected Laser light as well! ... Extreme care should be taken concerning the He-Ne Laser beam as your pupils will be expanded and will let in 60 times more light than in a lighted room....

Road profiling using Laser scanning ... Profiling of roads utilizing Laser scanning has evolved over time to become the most acknowledged geospatial data acquirement technology.... Laser profiling technology acts as a permanent replacement of tungsten and mercury based electrical distance measuring which were highly utilised in 1970s (Shan and Toth). ... oad profiling using Laser scanning ... Laser profiling is normally used as the main technology in most infrastructural works for distance survey and carrying out midrange measurements....

It includes novel Laser sources, detectors and optical systems. ... eveloping novel Laser Research proposal, Engineering and Construction High-speed stereo imaging techniques for flame studies Department: submission:IntroductionThe field of engineering has seen many successful researches in the previous decades.... It includes novel Laser sources, detectors and optical systems.... roperties and Behavior of Novel Laser SourcesDeveloping novel Laser sources has been one of the active researches since the invention of the first Laser more than five decades ago....