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