1. The homebuilt laser and its application Bálint Kollek, István Csanády

2. First steps ‣ Advantages: -The whole project based on one person’s idea ‣ Disadvantages: -You have to be good at everything -It’s hardly possible Working in group or alone?

3. The “woodlaser” ‣ Why wood? - It’s cheap - It’s easy to work with wood

4. The complete laser

5. Increasing the performance ‣ Building the line of magnets - the switches... -...and the magnets ‣ Measuring the performance and the magnetic field

6. Homogeneity checking How does it work? ‣ Using diffraction ‣ Comparing diffraction results to the standard signal Standard Defect

7. Homogeneity checking ‣ The light-sensor and the signal generator The four parts ‣ The brackets ‣ The laser ‣ The electric reel

8. How does it work? Laser Electric reel Sensor OK Computer Defect

9. Writing the inspector ‣ Testing the sensor with oscilloscope The image of the“good” and the “bad” signal ‣ Using the simplest solution: checking the scatter of the signal ‣ Digitalizing the signal with a soundcard

10. The complete tool

11. Special thanks for... Tempus foundation KFKI - Reaserch Institute for Solid State Physics and Optics