Micronic Laser Systems AB produces and develops machines for the photo mask production market. One of their products is the Omega machine which exposes photo masks using 5 laser beams simultaneously. It is important that the distance between the each laser beam, the x-separation, is the same. The x-separation is today measured by exposing a photo mask with a certain pattern and thereafter measured with a metrology system. This takes to much time and it is desired to find a faster method to measure the x-separation without loosing precision.The task for this master thesis is to improve an existing measurement method which uses a calibration mask.

In forestry there are always needs of forest data to make good strategic decisions of different actions and economic winning. Usually this data gets from field-estimations made by forest workers with expensive costs and sometimes unsatisfied quality. StoraEnso Skog is a great forest company in Sweden and they have part of the responsibility of the forest own by Bergvik Skog. Bergvik Skog is owner of 1, 9 million hectares productive forest land. Both Bergvik and StoraEnso have great interest in new inventory techniques to get the important forest data. The company Foran Remote Sensing offers the opportunity with airborne laserscanning of forest and forest land. Foran got the mission of Bergvik and StoraEnso to laser scan Bergviks possession in Älvdalen, Dalarna.

This degree project has been carried out in cooperation with Enertech AB in Ljungby and is pilot study to automating all current manual soldering. The soldering process accounts for a large part of the processing cost in the production of a heat pump. The process is also a quality risk and has a major impact on the lifetime of the final product.The Main task of this project has been to evaluate automation of the soldering process, to develop automation solutions and a principle layout, to draw the design changes required for the automation and to calculate the supposed solution.This pilot study has resulted in a suggested automation solution using laser as a heat source for soldering. Calculations of the solution show that a automating a laser soldering cell is very profitable..

Data retrieved from airborne laser scanning represents a new source of forest data. Today, the technology has matured so that it can function in an operational environment. The aim of this study was to compile areas of application of laserdata in forestry. Moreover to analyze costs and accessibility of laserdata. The goal was to provide private forest owners information to support assessments of possible benefits of laserdata.

This study presents results for observing forest changes in Sweden using multi-temporal L-band satellite data and is a part of the JAXA?s ALOS Kyoto and Carbon Initiative. An extensive dataset of images acquired by the Advanced Land Observing Satellite Phased Array type L-band Synthetic Aperture Radar (ALOS PALSAR) is investigated for clear-cut detection in boreal forests in northern Sweden (Lat. 64°14? N, Long.

At present day there are several different methods for measuring of paved surfaces.The most common methods today are measuring with a total station, the GlobalNavigation Satellite System (GNSS) and terrestrial laser scanning (TLS). Recently thedevelopment of unmanned aerial vehicles, known as drones, has increasedexponentially and today there are several ways of using drones for measuring surfacesby photographing and laser scanning.This thesis contains a comparison between the methods terrestrial laser scanning(TLS), and unmanned aerial vehicle photogrammetry (UAV). The measurements havebeen applied on two different test surfaces, one of asphalt and one of gravel. Thepurpose of the comparison is to investigate whether the airborne photogrammetry isequivalent accurate in its height levels as the terrestrial laser scanning. For thecomparison to be more extensive, these two methods have not only been comparedin precision but also in the areas of ease of use and economy.The precision was analyzed by comparing the height levels in randomly placed controlpoints on the test surfaces.

Behovet att mäta kvalitet hos olika produkter ledde till framställningen av ett antal mätningsmetoder. Redan vid olika stadier av tillverkning kan man avgöra om produkten motsvarar en viss förutbestämd standard. Den här rapporten kommer att undersöka vilka eventuella problem mätning av kvalitet med laser har i industrimiljö. En konceptuell modell över hur mätning av dornprofiler kan genomföras kommer att presenteras med fokus på att väga tidsåtgång mot exakthet för att skapa en balans som är acceptabel för företagets krav. En beslutsfattande algoritm kommer även att presenteras där ett avgörande ska ske om mätresultaten är rimliga eller beror på fel i mätutrustningen.

This report discusses the development of lessons based on laborations for middle and high school.The purpose of the project was to research the possibility to affect students' attitude towards physicsthrough well-planned stimulating lessons. The lessons were based on the Light and Lasers OutreachKit, a teaching package made by the organisation Laser Classroom, and have been adapted for physicsin middle and high school. The lessons were developed on a pedagogical and didactical ground andwere improved with surveys and peer and self assessment. The lessons were based on laser light and itsproperties. One lesson covered the topic of single-slit diffraction, while the other treated geometricaloptics.

Huvudsyftet med denna uppsats är att visa på hur olika atmosfärsförhållanden kan påverka dettaktiska utnyttjandet av elektromagnetisk vågutbredning och behovet för en operatör att kunnaförstå och bedöma denna påverkan.Sensorer som använder det elektromagnetiska spektret utnyttjas mer och mer i våra militärasystem. Vädret och atmosfären påverkar transmissionen och vågutbredningen avelektromagnetiska vågor. Olika atmosfärs- och väderfenomen påverkar sensorernas frekvenseroch våglängder och skapar begränsningar i utnyttjandet. Utnyttjandet av sensorer och systemför att upptäcka och följa mål och hot kräver kunskapen att kunna bedöma hur sensorn ochsystemet påverkas när de används i olika klimat och väderförhållanden. Behovet av detta ärstort och kommer i framtiden att öka då vi mer och mer förlitar oss på tekniska hjälpmedel föratt kunna upptäcka och bekämpa mål i en stridsmiljö.

Volvo Construction Equipment AB Component Division (CMP) I Eskilstuna har idag det globala ansvaret för utveckling och tillverkning av drivlinor till anläggningsmaskiner. De nya kraven på nästa generations transmissioner har dock krav på sig att vara mindre och lättare samt ha mindre inre förluster än den föregående. För att kunna möta detta krav krävs det att kopplingsaxlarna i tranmissionerna blir mindre. För att leva upp till detta samt en förbättring hos kvalitén på förbanden så introduceras två nya fogningsmetoder enligt laser- och lim/krympförband. I denna rapport klargörs flödet genom de två fogningscellerna.

Today, many veterinary hospitals offer rehabilitation as a service. We think that this is an interesting subject and therefore we want to find out what rehabilitation methods that are available in Sweden for dogs and horses. We want to give animal nurses and other persons who have animals as an occupation an survey that shortly describes how the methods are performed, what physical effect they have in the body and to give examples in what conditions they are used. To find out what rehabilitation methods that are available we sent out two different questionnaires, one to hospitals/clinics for small animals and one to hospitals/clinics for horses and other companies that works with rehabilitation of horses. The information about the methods described in our project we have found in literature and on the Internet.

This reports purpose is to give a general view on how to handle information collectedthrough photogrammetry and laser scanning with the help of UAS. The report ismade in collaboration with WSP Group and will briefly describe howphotogrammetry and laser scanning, also known as Lidar, works and how those areused in the construction business today. Then the focus will be on how gathered datais handled today, how outsourcing of data should be approached and if there are anyconsequences if data is handled in the wrong way. Interviews have been made with allparts in the UAS business. That includes authorities as Transporstyrelsen,Försvarsmakten.

Syfte: Studiens syfte är att göra en kort redovisning av de vanligaste tekniker (LASIK, LASEK, PRK och RLE) som finns inom refraktiv kirurgi med en fördjupning inom LASIK (laser in situ keratomileusis). Studiens syfte är att ta reda på hur LASIK operationen går till, vilka som är lämpade kandidater och vilka de vanligaste riskerna som finns.Bakgrund: Keratorefraktiv kirurgi har utvecklats enormt under de senaste årtionden. De initiala försöken att korrigera sfärocylindriska refraktiva fel med corneal kirurgi och första generationen excimer laser kirurgi var effektiva för korrigering av lägre refraktiva fel. Utvecklingen av mer komplex laserteknologi har gett mer noggranna och förutsägbara resultat. Detta har gjort att indikationer för den refraktiva kirurgin har expanderat.

Digitizing objects and environments from real world has become an important part of creating realistic computer graphics. Through the use of structured lighting and laser time-of-flight measurements the capturing of geometric models is now a common process. The result are visualizations where viewers gain new possibilities for both visual and intellectual experiences. This thesis presents the reconstruction of the Parthenon temple and its environment in Athens, Greece by using a 3D laser-scanning technique. In order to reconstruct a realistic model using 3D scanning techniques there are various phases in which the acquired datasets have to be processed.

In time with HolmenSkog district Egenskog Norrköping´s decreasing mountain of cleaning, the office started to look around for new alternative cleaning strategies to lower the costs connected with cleaning. One option was to make the inventory strategy more effective and after a phonecall with the head of the district, Jonnie Friberg, the planning started to try inventory in pictures taken from a helicopter. The pictures was at last taken from a digtal camera and the vegetationheight was mesured with a laser. The gear was supplied from Kallax Flyg AB, Luleå. In the trial 15 stands was selected depended on age and different mixtures between pine (Pinus sylvestris), spruce (Picea abies) and birch (Betula pubescense and Betula pendula).