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