목차
1. 서론 1
2. 레이저 원리 및 특징 2
2.1. 레이저의 구성 2
2.2. 고체 레이저 재료 및 특징 2
2.3. 세라믹 레이저 3
3. 고출력레이저 가공 및 응용 4
3.1. 레이저 가공시스템 4
3.2. 레이저 가공의 종류 5
4. 결언 7
참고문헌 7
Table 1. Cost Comparison between High Power Fiber Laser and CO₂ Laser for Laser Cutting Application. 1
Fig. 1. (a) Schematic diagram of a laser cavity and (b) a real laser configuration with minimum options. 2
Fig. 2. Image of YAG rods. 3
Fig. 3. Demonstration of lower scattering loss in ceramic NdYAG. 3
Fig. 4. Thermal conductivity versus dopant concentration for crystals. 3
Fig. 5. Illustration of laser ablation phenomena (left) and a shadowgraph image of thin film solar cell ablation with nanosecond Nd:YAG laser. 5
Fig. 6. Illustration of laser cutting(left, Source: http://www.rofin.co.uk) and a photograph of laser cutting of steel plate 5
Fig. 7. Laser welding process and an example of laser welded thick metal. 6
Fig. 8. Schematic diagram of laser peening of metal. 6
Fig. 9. Cross sections of the wear tracks produced on (a) unpeened and (b) peened duplex stainless steel samples by pin-on-disk test, and (c) the size distribution of corrosion pits after 480 hours of copper accelerated acetic acid salt spray test. 6