In optics, optical path length (OPL, denoted Λ in equations), also known as optical length or optical distance, is the length that light needs to travel...

Optical path (OP) is the trajectory that a light ray follows as it propagates through an optical medium. The geometrical optical-path length or simply...

space Optical path length, the product of the distance light travels and the refractive index of the medium it travels through Mean free path, the average...

typically of the order of 10−5 and 10−6. Optical path length (OPL) is the product of the geometric length d of the path light follows through a system, and...

material. Optical depth is dimensionless, and in particular is not a length, though it is a monotonically increasing function of optical path length, and approaches...

working electrode is non-transparent. In this configuration, the optical path-length in solution is on the order of twice the diffusion layer thickness...

rA has optical path length S(τA) = n1d5 + n2d6. Also, ray rB has optical path length S(τB) = n1d7 + n2d8. The difference in optical path length for rays...

coherence length is effectively doubled. The coherence length can also be measured using a Michelson interferometer and is the optical path length difference...

gain information about the optical path length of the sample, to see otherwise invisible features. A relatively complex optical system produces an image...

inhomogeneities. These inhomogeneities are localized differences in optical path length that cause deviations of light rays, especially by refraction. This...

objective modifies the length of the measurement arm. The interference signal of a pixel has maximum modulation when the optical path length of light impinging...

general, travelled a different length (as measured by optical path length – geometric length and refraction (differing optical speed)), and thus arriving...

methods such as physical optics or wave theory. Collimated beam Optical path Optical path length Paraxial approximation Pencil beam Ray transfer matrix analysis...

{x}}_{2}^{2}}}} is the optical Lagrangian and x ˙ k = d x k / d x 3 {\displaystyle {\dot {x}}_{k}=dx_{k}/dx_{3}} . The optical path length (OPL) is defined...

the difference in optical path lengths. In analytical science, interferometers are used to measure lengths and the shape of optical components with nanometer...

OPL may stand for: Open Programming Language Optical path length Optimization Programming Language, a modelling language designed for the CPLEX Optimization...

non-destructive testing and radiation dosimetry. It can also be used to detect optical path length variations in transparent media, which enables, for example, fluid...

James Webb Space Telescope uses grisms. The system allows coarse optical path length matching between the different mirror segments. The grating prism...

femtosecond optical pulse, typically from a Ti-sapphire laser. That optical pulse is first split to provide a probe pulse whose path length is adjusted...

slit A or slit B. The optical path length measured from slit to D1, D2, D3, and D4 is 2.5 m longer than the optical path length from slit to D0. This...

aether wind would produce a difference in optical path lengths between the two arms of the interferometer. This path difference depends on the orientation...

concentration due to the enhancement effect of the optical resonator on the effective optical path length. Understanding of the principle of operation of...

well-separated light paths is traversed only once. If the source has a low coherence length then great care must be taken to equalize the two optical paths. White light...

coupling coefficient. To understand how optical ring resonators work, we must first understand the optical path length difference (OPD) of a ring resonator...

lenses). Being an optical phase modulator, a liquid crystal lens feature space-variant optical path length (i.e., optical path length as the function of...

coefficient defines the direct optical path length through the Earth's atmosphere, expressed as a ratio relative to the path length vertically upwards, i.e....

thin film and reflected by both the upper and lower boundaries. The optical path difference (OPD) of the reflected light must be calculated in order to...

optical path length optical pattern recognition optical phenomenon optical processor optical resonator optical sine theorem optical spectrum optical theorem...

quasi-phasematching period (see below). For fine-tuning one can also change the optical path length of the resonator. In addition, the resonator may contain elements...

detector. The difference in optical path length between the two arms to the interferometer is known as the retardation or optical path difference (OPD). An interferogram...