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