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