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