Light and the Information it carries Lecture 1. Electromagnetic Spectrum

Download Light and the Information it carries Lecture 1. Electromagnetic Spectrum

Post on 28-Mar-2015

213 views

Category:

Documents

1 download

Embed Size (px)

TRANSCRIPT

<ul><li>Slide 1</li></ul> <p>Light and the Information it carries Lecture 1 Slide 2 Electromagnetic Spectrum Slide 3 Visible light Slide 4 HumanBee Slide 5 Light and the environment absorption absorption diffraction diffraction refraction refraction reflection reflection Slide 6 Light striking an opaque surface absorption absorption matt black surface - absorbs most light, reflects little matt black surface - absorbs most light, reflects little silvered surface - absorbs little, reflects most silvered surface - absorbs little, reflects most reflection reflection reflects some wavelength more than others reflects some wavelength more than others a green leaf absorbs red light (and so reflects less) and so appears green a green leaf absorbs red light (and so reflects less) and so appears green texture influences how coherently light is reflected texture influences how coherently light is reflected Slide 7 Reflection SmoothRough Slide 8 Ambient Optic Array 1 Slide 9 Each visible surface structures the pattern of light The Optic array is the structured pattern of light reaching the observers eye from the environment Slide 10 Optic Array 2 Slide 11 Optic Array 3 </p>