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