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