| English | eng-000 |
| photoamplifier | |
| 普通话 | cmn-000 | 光放大器 |
| 普通话 | cmn-000 | 光电放大器 |
| English | eng-000 | image intensifier |
| English | eng-000 | light amplifier |
| English | eng-000 | optic amplifier |
| English | eng-000 | optical amplifier |
| English | eng-000 | photo enlarger |
| English | eng-000 | photo-amplifier |
| English | eng-000 | photoelectric amplifier |