semi-dull
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- astro-compass
- plastic-base mirror
- Acoustooptic Bragg diffraction
- beamsplitting blocks
- transit-time lidar velocimeter
- optical second harmonic generation
- aberration blur circle
- time-resolved interference spectroscopy
- spatially bound function
- Sonnar lens
- diffuse reflectance light
- metal lens
- tracking laser radar
- pseudocontinuum
- collisionless multiple-photon laser excitation
- Infrared spectroscopy
- self-sagging
- laser
- checking
- spherical aberration