L
- Laser
- Laser construction
- Laser applications
- Laser pumping
- Laser science
- Lasing threshold
- Least distance of distinct vision
- Lens (optics)
- Lensmeter
- Light
- Light bulb
- Light-emitting diode
- Light meter
- Liquid-crystal display
- Liquid scintillation counting
- List of fiber optic terms
- List of indices of refraction
- List of lens designs
- List of wave topics
- Luminance
- Luminiferous aether
- Luminosity
- Luminous intensity
- Lumen
- Lustre (mineralogy)
- Lux
Read more about this topic: Index Of Optics Articles