 |
| |||
| light yield | |||
| luminosity factor | |||
| luminous efficacy (eines Leuchtmittels); luminosity; luminous efficiency (Lichtquelle) | |||
| light emitting efficiency | |||
| lamp efficacy; luminous efficacy | |||
| efficiency of light | |||
| lumen output | |||
| light efficiency (yield); light transmittance efficiency | |||
| quantum efficiency (e.g. of luminescence) | |||
| light efficiency; light output; luminous efficiency | |||
| light yield (of a photocathode or a scintillator) | |||
| Lichtausbeute: 4 phrases in 2 subjects |
| Lighting other than cinema | 1 |
| Optics branch of physics | 3 |