Register
Sign In
Suppliers
Products
Categories
Handbook
Dictionary
Careers
Resources
Photonics Spectra
BioPhotonics
Vision Spectra
Virtual Events & Summits
Educational Institutions
Add/Update Your Listing
Exhibitor Listing Portal
Become an Exhibitor
Buyers' Guide Print Edition
Marketplace Help
Subscribe
Advertise
Suppliers
Products
Categories
Handbook
Dictionary
Careers
Resources
Photonics Spectra
BioPhotonics
Vision Spectra
Virtual Events & Summits
Educational Institutions
Add/Update Your Listing
Exhibitor Listing Portal
Become an Exhibitor
Buyers' Guide Print Edition
Marketplace Help
Register
Sign In
Photonics Marketplace
Suppliers
Products
Handbook
Institutions
Dictionary
Show Filters
Hide Filters
Type
Definitions
Abbreviations/Acronyms
Browse by Letter
#
A
B
C
D
E
F
G
H
I
J
K
L
M
N
O
P
Q
R
S
T
U
V
W
X
Y
Z
5,268 terms
Photonics Dictionary
Clear All Filters x
ions x
modulated grating hologram
A computer-generated, phase-and-amplitude, off-axis hologram made by a multi-exposure technique that uses three computer generated transmission masks. Each mask controls one fixed-phase component of...
modulated transfer function
The modulated transfer function (MTF) is a measure used in optical engineering and imaging science to describe the ability of an optical system to transfer the contrast of an object to an image. It...
modulated transmission ellipsometry
A method used to detect internal or residual microstresses in a material by using a laser beam to locate changes in polarization caused by the stress.
modulated zone plate
A zone plate produced by a computer and having a binary structure that can be etched into a chromium or quartz layer. It often is used in laser machining, in which the machining of small holes with...
modulation
In general, changes in one oscillation signal caused by another, such as amplitude or frequency modulation in radio which can be done mechanically or intrinsically with another signal. In optics the...
modulation bandwidth
The highest frequency at which a laser diode can be driven and still be modulated acceptably that further results in the maximum rate of change (modulation) in output frequency that can be obtained...
modulation frequency
Rate at which optical radiation or a signal is varied through the use of a mechanical or electronic chopper. Also called chopping frequency.
modulation spectroscopy
A method of spectral analysis in which some property of the sample is varied and the corresponding change is measured. The change is induced by a repetitive perturbation such as an electric field,...
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
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...
modulator
A modulator is a device or component that modifies a carrier signal in order to encode information for transmission over a communication channel. The process of modulating involves varying one or...
modulator crystal
A nonlinear crystal used to modulate a polarized beam of light by means of the Pockels effect. A Pockels cell is used as a voltage-controlled waveplate by means of applying a known voltage across the...
MOGA
microwave and optical generation and amplification
Mohs hardness
Material hardness scale that is used to characterize the scratch resistance of various materials. This surface hardness evaluation is determined by scratching the surface to be tested with 10...
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...
moiré topography
Contour mapping technique that involves positioning a grating close to an object and observing its shadow on the object through the grating. The resultant moiré fringes correspond to a contour line...
MOKE
magneto-optic Kerr rotation
molded blank
A blank whose basic surface curves are attained by heating and forming a given weight of raw glass; a rough glass blank resembling the finished lens in size and shape. After molding, a precision lens...
molded lens
A molded lens is an optical lens manufactured using a molding process, typically involving the shaping of a material, such as glass or plastic, into the desired lens shape. This process involves...
molecular beam epitaxy
->
epitaxy
A well controlled thin films technique for growing films with good crystal structure in ultra high vacuum environments at very low deposition rates. Epitaxy methods are well known for the growing of...
molecular motor
A molecular motor refers to a nano-sized device composed of organic molecules or other small-scale components that can convert light energy into mechanical motion at the molecular level. These...
molecular spectroscopy
Spectrum analysis concerned with the spectra formed by transitions in molecules.
Mollier diagram
Graphic evaluation of the operation of a steam thermodynamic cycle of a solar energy system on which enthalpy is plotted against entropy.
molybdenum diselenide
Molybdenum diselenide (MoSe2) is a dichalcogenide compound composed of molybdenum (Mo) and selenium (Se). It belongs to the family of transition metal dichalcogenides (TMDs), which have garnered...
momentum transfer
In physics, momentum transfer is the amount of momentum transferred from one particle to another during particle collision or interaction. This phenomenon can be utilized in various areas of physics...
monitor current
In a laser diode, the photocurrent produced by a photodiode that detects the emission from the rear facet of the semiconductor chip. It can be used to provide feedback control of the forward current...
monochromatic
Composed of one color; having only one wavelength of radiation.
monochromatic illuminator
->
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...
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...
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 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...
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...
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...
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.
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...
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.
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.
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...
MPD
mode-power distribution
MPI
Michelson polarizing inter-ferometer; multiphoton ionization
<
1
2
3
...
60
61
62
63
64
...
104
105
106
>
Photonics Dictionary
Need Help?
Explore Our Content
News
Features
Latest Products
Webinars
White Papers
All Things Photonics Podcast
Videos
Our Summits & Conferences
Industry Events
Bookstore
Join Our Community
Subscribe
Advertise
Become a member
Sign in
Contribute a Feature
Suggest a Webinar
Submit a Press Release
Mobile Apps
About Us
Our Company
Our Publications
Contact Us
Career Opportunities
Teddi C. Laurin Scholarship
Terms & Conditions
Privacy Policy
California Consumer Privacy Act (CCPA)
©2024 Photonics Media
100 West St.
Pittsfield, MA, 01201 USA
[email protected]
We use cookies to improve user experience and analyze our website traffic as stated in our
Privacy Policy
. By using this website, you agree to the use of
cookies
unless you have disabled them.