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