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