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References in periodicals archive ?
For all the experiments the numerical aperture was 0.
Another optical inspection device, the SimmScope, which one of the authors (Simmons) designed for visual inspection of populated and unpopulated printed circuit boards, incorporates a microscope having an objective lens with numerical aperture = 0.
Table 1: Comparison of rewritable Blu-ray and HD-DVD formats BD BD HD-DVD HD-DVD Number of Recording Layers Single Double Single Double Capacity 25GB 50GB 20GB 40GB Laser wavelength 405nm 405nm 405nm 405nm Numerical aperture (NA) 0.
Researchers have also begun to seek options for a fourth-generation optical recording medium that could be based on near-field optics (with a numerical aperture of 1.
These systems offer the advantage of polymeric material with no low molecular weight additives, a controlled numerical aperture up to about 0.
This short article describes the relative importance of magnification and numerical aperture for digital optical microscopy.
A phase ring has been incorporated into the microscope's body to speed the attachment of high numerical aperture objectives and to prevent light loss.
Use of an ArF immersion scanner with a numerical aperture (NA) greater than 1.
These telecentric lenses feature small fields of view, a high numerical aperture and magnifications of 1X, 2X and 4X.
This non-ideal cosine response can lead to large errors if the calibration numerical aperture is substantially different from the measurement application.
Numerical aperture refers to the light gathering ability plus the resolving power of the lens.
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