Preparation for April 30th lecture

Now that we have seen the interaction of light with (pigmented) surfaces we take a deeper look into the pigments.
We will surely not cover all slides in full depth, but it may be handy to have the full story retreivable in 4 sets of slides
:
3a: https://drive.google.com/file/d/0B_AdLmUQhTCYU29XbFQ5bXZIZDA/edit?usp=sharing

3b: https://drive.google.com/file/d/0B_AdLmUQhTCYM3pwTnRwNjc2aTA/edit?usp=sharing

3c: https://drive.google.com/file/d/0B_AdLmUQhTCYUjI0OExYWWZUeXM/edit?usp=sharing
3d: https://drive.google.com/file/d/0B_AdLmUQhTCYX3VSYktHS3dkUmc/edit?usp=sharing