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