Large-scale high-numerical-aperture super-oscillatory lens fabricated by direct laser writing lithography - RSC Advances (RSC Publishing)
Numerical Aperture and Multimode Fiber Acceptance Angle
NA of the Single Mode Fiber
Numerical aperture - Wikipedia
Numerical aperture - Wikipedia
Applied Sciences | Free Full-Text | Influence of Numerical Aperture on Molten Area Formation in Fusion Micro-Welding of Glass by Picosecond Pulsed Laser
Measure of the numerical aperture (NA) of the waveguide. | Download Scientific Diagram
Collecting Light: The Importance of Numerical Aperture in Microscopy | Science Lab | Leica Microsystems