Arc lamps
Features
- High radiance in the ultraviolet and visible; mercury lamps have spectral lines of very high irradiance in the ultraviolet
- High ultraviolet output
- Small concentrated arc
- Xe lamps have spectral distribution resembling the sun
Benefits
- Produce highest irradiance on small targets
- Intense collimated beams due to small, high radiance source
- Excellent sources for UV photochemistry
- Can simulate daylight
