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