spot size


Related to spot size: Numerical aperture

spot size

The size of the electron spot on the face of the cathode ray tube.
References in periodicals archive ?
The larger spot size affects the accuracy of the reading and limits the application.
The laser requires only a low voltage power source (110/220), and has an excellent beam quality with a small spot size for precision marking.
Amos Leviav, Kaplan Hospital, Rehovot, Israel, a clinical investigator evaluating LHE in the treatment of psoriasis, "The Light and Heat Energy selective photothermolysis system delivers controlled heat simultaneously with the light pulse, has a large spot size and relieves itching after one week of treatment, making the system very efficient and sufficiently cost-effective to be considered for widespread use.
Other features of the Class IIIb long range laser twin sensor are its laser spot size of 70 micrometers in diameter, observation angle of 25[degrees] and stand-off of 1.
Other features of the Class IIIb long range laser twin sensor are said to be its laser spot size of 70 micrometers in diameter, observation angle of 25[degrees] and stand-off of 1.
The small spot size of 200 microns allows it to filter out high frequency signals and still detect and measure the low frequency bulge and dents.
3 micron laser process, it has the smallest minimum spot size in the industry, and its new beam positioning system achieves accuracies of less than 0.
Among other features of the Class IIIb LTS sensor are its small laser spot size of 30 micrometers in diameter, large observation angle of 43 degrees and stand-off of 0.
The combination of low energy and small spot size results in removal of the smallest amount of corneal tissue per laser pulse of any approved laser.
The combination of the largest spot size available on any hair removal device and the pulse speed, are the basis of Comet's exceptional speed.
A general rule for best sensor performance is that the spot size on the surface must be small.
The MammographyPro, which features a spot size of 31 microns and an optical density (OD) range of 0.