Photons

The photon – a building block to think about lighting

• Meet the photon
• Source to detector
• Exploring what's there and making contributions
• Contributions and brightness
• Curling up and lining up
• Bouncing off a surface
• Through a surface
• Just carrying on
• Spreading out
• The mirror revisited
• A signature
• Design a lens
• Design a focussing mirror
• Thinking about photons