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Lambda Research Optics, Inc. - DFO
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8,726 terms

Photonics Dictionary

monochromatic light
Light consisting of a single wavelength or a very narrow band of wavelengths.
monochromator
A monochromator is an optical instrument used to isolate and select a narrow range of wavelengths from a broader spectrum of light. The term monochromator is derived from "monochromatic," meaning...
monochrome
Made up of a single color.
monoclinic
With respect to a crystal, a monoclinic crystal consists of three unequal axes, two of which intersect each other obliquely and yet still form right angles to the third.
monocoil sheathing
A type of tubing used to protect optical fiber cables, consisting of a wire spiral of aluminum, galvanized steel or stainless steel, encased in a polyvinyl chloride or silicon rubber coating. These...
monocular
1. Viewed with one eye. 2. Describing an image as viewed from a single angle.
monocyte
A monocyte is a type of white blood cell (leukocyte) that is part of the innate immune system. Monocytes are produced in the bone marrow and circulate in the bloodstream. They are characterized by...
monoergic
Pertaining to radiation or particle emission, whereby the emission is produced with minimal energy spread.
monolithic device
A device that is fabricated in a single piece; A device (i.e. circuit) that is operated at a single frequency or a single class of frequencies.
monolithic lenslet module
An array of refractive microlenses that are round, square and hexagonal and as small as 15 µm. They are used for Hartmann testing, laser diode collimation and other applications that require...
monomer
A molecule that has the ability to chemically combine with other molecules to form a polymer, hence being capable of being polymerized. See polymer; polymerization
monomer exchange diffusion
Process that occurs when a polymerized soft plastic rod with higher refractive index is placed in a bath of a lower refractive-index monomer to obtain plastic fibers with a nearly parabolic index...
monomode optical waveguide -> single-mode waveguide (or fiber)
An optical waveguide in which only the lowest order bound mode, which may consist of a pair of orthogonally polarized fields, can propagate at the wavelength of interest.
monoscope cathode-ray tube
A character generation CRT that functions on the principle of secondary emission. The target holds a set of aluminum characters, select characters being scanned by the electron beam. The secondary...
monostable display
A matrix-controlled display that has no information storage at the display surface.
Monte Carlo simulation
Simulation of radiative transfer in which each photon is generated by a source and its path through the medium is statistically simulated with absorption and scattering probabilities as well as with...
MOPA
master oscillator power amplifier
MOPC
magneto-optical photonic crystal
MOPS
million operations per second
morphological processing
A set of algorithms used to study the structural and spatial characteristics of objects in a digitized image for applications including feature extraction and image segmentation in machine vision and...
morphology
In image processing, the study of structure or form of objects in an image.
MOS
metal-oxide semiconductor
mosaic
One surface of a nonconducting plate that is coated with many minute particles of photoemissive material that are insulated from one another.
mosaic detector array
A group of photosensors arranged in a grid-like pattern covering the entire field of view, enabling them to record it all at once (as a camera records an image on film) rather than by scanning parts...
mosaic mirror
A large telescope mirror fabricated from several smaller sections.
mosaic structure
In a crystal, its subdivision into polyhedral blocks of macroscopic sizes, with discontinuities contained in the lattice formation between them.
MOSFET
metal-oxide semiconductor field-effect transistor
Mossbauer effect spectroscopy
Spectroscopy characterized by the Mossbauer effect - recoilless emission and absorption of nuclear gamma radiation- which investigates miniscule changes in the energy levels of atomic nuclei in...
MOT
magneto-optical trap
motion controller
In optics, a motion controller refers to a device or system that precisely controls the movement of optical components, such as mirrors, lenses, stages, or other elements within an optical setup. The...
motion picture camera
A camera equipped with a lens and a long length of perforated film, the latter being moved intermittently between exposures by a pulldown claw or sprocket. A rotating shutter serves to cut off the...
motion sensing
Capacity of a vision system to capture an image of an object in motion and to resolve the direction and speed of that motion.
motorized positioning equipment
Motorized positioning equipment in optics and photonics refers to devices and systems that use motors to precisely control the position and movement of optical components and instruments. These...
MOTU
mobile optical tracking unit
mount
See gimbal mount; kinematic mount; lens mount.
mounting cement
An adhesive used to hold optical components in their mounts. It may be a thermoplastic or chemical-hardening substance.
movement parallax
The visual phenomenon of the apparent difference in the rate of motion of two objects that are actually moving at the same velocity but that lie at different distances from the observer.
movement parallax threshold
The unequal angular velocities of two objects moving at equal speeds but at different distances from the observer, which are just noticeable.
moving aperture technique
Method for reducing laser speckle in which the object field comes from a real diffuse object or the reconstructed object field from a hologram. During recording of the image, an aperture is moved in...
MOVPE
metallorganic vapor phase epitaxy
MP
megapixel
mp
melting point
MP/s
megapixels per second
MPD
mode-power distribution
MPE
maximum permissible exposure
MPI
magnetic particle imaging
MPI
Michelson polarizing inter-ferometer; multiphoton ionization
MPSK
multiple phase shift keying
MQW
multiple quantum well
MRA
magnetic resonance angiography

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