Photonics Dictionary

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MTF

modulation transfer function; median time to failure

MTF curve -> modulation transfer function

Also called sine wave response and contrast transfer function. The modulation transfer function is the ratio of the modulation in the image to the modulation in the object as a function of frequency...

MTF optimization

Computerized lens design algorithm that permits the lens MTF characteristic to be included and controlled during the optimization process. MTF optimizations typically allow lens design users to...

DMTF

diffraction-limited modulation transfer function

GMTF

geometric modulation transfer function

contrast transfer function -> modulation transfer function

modulation transfer function analysis/measurement equipment

MTF analysis/measurement equipment refers to instruments and tools used to measure and analyze the modulation transfer function (MTF) of optical systems. The MTF is a quantitative measure of the...

modulation transfer function

sine wave response -> modulation transfer function

image quality

A measure of the closeness with which an optical image is capable of resembling the original object. The factors that affect image quality are lens aberrations, diffraction, dirt and stray light...

moiré deflectometry

An optical interference technique widely utilized as a method of nondestructive testing when determining the ray deflection and the modulation transfer function (MTF) of an optical system associated...

optical design software

Optical design software refers to specialized computer programs used by optical engineers, physicists, and designers to simulate, model, analyze, and optimize the performance of optical systems and...

Photonics Dictionary

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