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320 terms
Photonics Dictionary: M
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multileg lightguide
A fiber optic bundle split along its length with the ends of the fibers extending separately to illuminate different points with a single light source.
multiline
Describing a laser that emits simultaneously at more than one wavelength.
multiline laser system
A multiline laser system refers to a type of laser that is capable of emitting multiple discrete wavelengths or spectral lines simultaneously. Unlike single-line lasers, which produce radiation at a...
multimodality imaging
A technique that combines two or more imaging processes in order to minimize the disadvantages within each of the contributing processes. In medical applications, combining multiple modalities...
multimode distortion
In an optical waveguide,- typically a multimode fiber - the distortion resulting from differential mode delay, i.e. axial rays (modes), with the shortest path length, will have the shortest...
multimode laser
A laser that produces emission in two or more transverse or longitudinal modes.
multiphoton process
A process involving the interaction (absorption, emission or both) of two or more photons with a molecular entity.
multiple instruction/multiple data
A computer architecture used in parallel processing whereby all the processing elements are operating under their own local control rather than under the direction of a central control unit.
multiple lens camera
A camera that uses a rotating mirror to project sequential images onto lenses that are arranged in an arc. The reflected images can then be recorded on stationary film. By using an 8-mm frame format,...
multiple wavelength interferometry
A specific form of phase shifting interferometry - commonly referred to as multiple wavelength phase shifting interferometry - this form of interferometry utilizes two short wavelengths to synthesize...
multiplet
A group of related lines that represent transitions between two spectroscopic terms, each of which may be complex. Also in physics, a multiplet is recognized as a group of related subatomic particles.
multiplexing
The combination of two or more signals for transmission along a single wire, path or carrier. In most optical communication systems this is referred to as wavelength division multiplexing, in which...
multispectral imaging
Multispectral imaging is a technique that involves capturing and analyzing images at multiple discrete spectral bands within the electromagnetic spectrum. Unlike hyperspectral imaging, which acquires...
multispectral scanner
An instrument used to record the emittance or reflectance of an object by scanning with discrete spectral resolution over a wide spectral band, or recording many discrete spectral bands...
multistripe array
A monolithic laser diode incorporating multiple coupled emitters.
Murty interferometer
A form of shearing interferometer that contains a simple wedged (plane-parallel) glass plate with a nonzero optical path difference to create interference between split optical wavefronts. The...
mV
millivolt
mW
milliwatt
MWIR
medium-wavelength infrared; mid-wave infrared
Mylar
E.I. duPont's trade name for a polyester film. The most practical beamsplitter for use beyond the 15-µm wavelength because of its high efficiency. It exhibits high visible transmission, allowing...
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Photonics Dictionary
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