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