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