numerical aperture in a sentence
Examples
- The sine of this maximum angle is the numerical aperture ( NA ) of the fiber.
- State of the art objectives can have a numerical aperture of up to 0.95.
- The resolution limit forumula used is 0.6 * wavelength / ( numerical aperture ).
- In this method, multiple spatially modulated illumination patterns are used to double the effective numerical aperture.
- Also termed immersion lithography, this enables the use of optics with numerical apertures exceeding 1.0.
- This ratio is related to the image-space numerical aperture when the lens is focused at infinity.
- Based on the diagram at the right, the image-space numerical aperture of the lens is:
- Manufacturers have also introduced ever larger and more expensive lenses as a means of increasing the numerical aperture.
- Beyond 7 nm, EUV would require a higher numerical aperture ( NA ) or else a shorter wavelength.
- In conventional microscopes the limit is determined by the used wavelength and the numerical aperture of the optical system.