self-focused laser beam
相关英语词汇推荐
- intensifying screen
- geometrical focus
- visible emissivity
- optical harmonic generation
- filters
- mode pattern
- multilongitudianl-mode laser
- Varotal lens
- push out
- chronophotography
- metacrystalline
- infra-red beam folower
- optical head controllers,control ics/modules
- holographic gratings
- astrospectrograph camera
- time-averaged shadow-moire method
- frequency summing
- upper state relaxation
- diatomic roto
- optical deformation