1. Sample 1 Origin file s nap shot Ppt file/ print preview/ copy paste

2. Sample 2 Origin file s nap shot Ppt file/ print preview/ copy paste

3. Sample 3 Ppt file/ print preview/ copy paste Origin file s nap shot

4. Sample 4 Origin file s nap shot Ppt file/ print preview/ copy paste Change of color in origin file grey black etc. If the measurement can be done from 250 to 1200nm then the graph range would be suitable i.e from 300nm to 1100n m. How to remove speed mode is on

5. Additional experiment Sample 4 Degree: 45 ①②③①②③ <- sample4_1 <- sample4_2 <- sample4_3

7. Reflectance measurement Light source: deuterium + halogen lamp Angle of incidence (deg) : 15, 20, 25, 30, 35, 40, 45, 50, 55, 60, 65, 70, 75 Wavelength: 300 ~ 1000 ㎚, roughly (data sheet) X – axis: degree Y – axis: wavelength ( ㎚ ) θ