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