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