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