prefocusing

释义

预聚焦，前聚焦；

Prefocusing inside a linear ion beam guide—A SIMION study
Method and apparatus for prefocusing lamps
Prefocusing optics for soft-x-ray synchrotron-radiation monochromators
Compound refractive lenses as prefocusing optics for X-ray FEL radiation.
Optical stretching on chip with acoustophoretic prefocusing
Spot reduction in electron guns using a selective prefocusing lens
Inclined-incidence quasi-Fresnel lens for prefocusing of synchrotron radiation x-ray beams
All-silica microfluidic optical stretcher with acoustophoretic prefocusing
Color picture tube having an inline electron gun with an astigmatic prefocusing lens
A hybrid dielectrophoretic and hydrophoretic microchip for particle sorting using integrated prefocusing and sorting steps