Menu
Photonics Media
Buyers' Guide
Register
Login
Publications
News
Features
Products
Technologies
Media
Education
Careers
Webinars
Events
Subscribe
Advertise
About Us
Bookstore
Search
This Week in Photonics
All Things Photonics Podcast
Photonics Spectra
Newsletter
BioPhotonics
Newsletter
Vision Spectra Newsletter
EuroPhotonics
Newsletter
Photonics Showcase
Newsletter
Lasers Newsletter
Spectroscopy Newsletter
Imaging Newsletter
Optics Newsletter
Tradeshow Sneak Previews
Webinar Alerts
Photonics Media Bookstore Alert
Photonics Marketing Solutions
Technology Newsletters
ABOUT US
BOOKSTORE
SUBSCRIBE
ADVERTISE
Login
Register
PUBLICATIONS
Photonics Spectra
Vision Spectra
BioPhotonics
Photonics Showcase
Photonics Buyers' Guide
Photonics Handbook
Photonics Dictionary
Newsletters
NEWS
Latest News
Features
Business
Research & Technology
Editors' Picks
PRODUCTS
Latest Products
Photonics Showcase
Photonics ProdSpec
TECHNOLOGIES
Lasers
Optics
Imaging
Biophotonics
Sensors & Detectors
Test & Measurement
Light Sources
Fiber Optics
Spectroscopy
Microscopy
Materials & Coatings
WEBINARS
WHITE PAPERS
MEDIA
Podcasts
Videos
Webinars
EDU / CAREERS
Career Center
Handbook
Dictionary
What is Photonics?
Photonics Timeline
Laser Timeline
Laser Spectrum Chart
Educational Institutions
Teddi Laurin Scholarship
EVENTS
Vision Spectra
Conference
Photonics Media Events
Industry Event Calendar
Prism Awards
SPECTROSCOPY DICTIONARY TERMS
nuclear quadrupole resonance (NQR) spectroscopy
A chemical detection technique used to measure molecules that have a magnetic dipole moment. The analysis is directed to...
electron spectroscopy
The theory and interpretation of spectra produced by the electron emissions of substances after their irradiation by x-rays.
photoconductive antenna
Photoconductive antenna (PCA) is a semiconductor element that generates or detects high-frequency electromagnetic signals....
self-absorption
In optical emission spectroscopy, the reduction in radiant power in the central portion of spectral lines arising from the...
laser-induced fluorescence spectroscopy (LIFS)
A pump-probe technique whereby a single wavelength source may be used in order to excite a given sample to determine...
hyperspectral imaging
Methods for identifying and mapping materials through spectroscopic remote sensing. Also called imaging spectroscopy;...
low-temperature spectroscopy
The analysis of structural and molecular dynamics caused by low temperature.
infrared spectroscopy
The measurement of the ability of matter to absorb, transmit or reflect infrared radiation and the relating of the resultant...
dynamic light scattering spectroscopy
photon correlation spectroscopy (PCS)
Spectroscopy used to study the concentration, diffusion and Brownian motion of small particles suspended in a fluid by...
quantum cascade laser
A Quantum Cascade Laser (QCL) is a type of semiconductor laser that emits light in the mid- to far-infrared portion of the...
multianode microchannel array detector
A photon-counting instrument for use in both space-borne and ground-based photometric and spectroscopic instrumentation....
photon burst detection of fluorescence
A type of laser spectroscopy used to measure short-lived isotopes by observing sudden bursts of fluorescence resulting from...
emission spectroscopy
A study of the energies and wavelengths of radiation emitted by atoms and molecules when particular physical conditions are...
Laser-induced fluorescence, dispersed spectroscopy
A combination of pump-probe technique with a dispersement measurement. Vibrational transitions near the ground state may be...
light-beating spectroscopy
The spectroscopic analysis of optical line shapes and frequency shifts, using the technique of light beating; i.e., the...
diffraction spectrum
In spectroscopy, the parallel bands that vary in lightness and darkness or color, and that are formed when light is...
circular dichroism spectroscopy
A type of spectroscopy used extensively in the analysis of biological samples. Because most biologically synthesized...
fluorescence correlation spectroscopy
A powerful method, referred to as FCS, for determining the average diffusion coefficients of fluorescent molecules in...
spectroscopic light source
A discharge tube filled with various gases and used as a source in spectroscopy.
magnetic rotation spectroscopy
Technique in which the polarization rotation of light, and its relationship to the magnetic field strength can be analyzed...
laser-excited Shpol'skii spectroscopy
A type of fluorescence spectroscopy in which an excimer laser, a dye laser and a frequency-doubling device are used to...
x-ray microprobe analysis
The method of acquiring characteristic x-ray spectra from microscopic samples by use of the combination of a scanning...
single-photon-decay spectroscopy
A technique for observing the decay of light emissions from sources following their pulsed excitations, based on recording...
electroreflectance spectroscopy
A type of electromodulation that measures changes in spectral reflectance.
laser spectroscopy
That part of the science involved in the study of the theory and interpretation of spectra that uses the unique...
plasma-coupled device (PCD)
Monolithic self-scanning linear image sensor array for multichannel spectroscopy with a spectral range of from 200 to 1000...
astronomical spectroscopy
The process of using a spectrograph with a telescope to acquire information on an astronomical object's speed and physical...
Mossbauer effect spectroscopy
Spectroscopy characterized by the Mossbauer effect - recoilless emission and absorption of nuclear gamma radiation- which...
cryospectroscopy
The spectrographic analysis of matter that is in a cooled state. Generally, a mechanical refrigerator is used to lower the...
spectroscopy
The branch of science dealing with the theory and interpretation of spectra.
electro-optic Fabry-Perot spectroscopy
The spectroscopic analysis of interference patterns using an electronic imaging tube with a Fabry-Perot interferometer to...
resonance fluorescence
In atomic fluorescence spectroscopy, fluorescence emitted by an atom at a spectral line of a wavelength identical to that of...
near-infrared spectroscopy cerebral oximetry
A monitoring technique used to measure the oxygen saturation levels in the brains of patients, commonly in operating room...
electric dichroism spectroscopy
The use of a krypton laser system for the measurement of small molecules aligned by an electric field, by analyzing the...
isotopically selected laser spectroscopy
A spectroscopic technique in which an excitation band absorbs laser energy resulting in an electronic transition. The...
fluorescence spectroscopy
The spectroscopic study of radiation emitted by the process of fluorescence.
ultraviolet photoemission spectroscopy
A technique for measuring the energy spectrum of electrons emitted during the absorption of ultraviolet radiation. This...
fiber-linked array image formatter (FLAIR)
A wide-field multiobject spectroscopy system used in astronomy, in which a bundle of low-loss optical fibers positioned on...
velocity modulation laser spectroscopy
A method of measuring negatively charged phase ions using a color-center or lead-salt diode laser.
laser absorption spectroscopy
An experimental research technique by which absorbed or unabsorbed radiation is analyzed in order to characterize and...
laser pump
A source of energy that produces needed excitation for population inversion in laser operation. The excitation source that...
flame emission spectroscopy
A technique in photometry that uses an oxyhydrogen or oxyacetylene flame to optically excite a solution containing the...
Raman fiber probe
A flexible fiber cable with a small diameter that transports light from the excitation laser to the target. Used in Raman...
long-path absorption spectroscopy
The method that, by measuring the absorption along an atmospheric path at wavelengths ranging from two to a continuum, can...
flash spectroscopy
The study and interpretation of the spectra of substances after they have absorbed the radiant energy emitted by a brief,...
absorption spectroscopy
Experimental method of measuring the transmission of a given sample as a function of the wavelength.
single-molecule spectroscopy
An advanced technique that allows the detection of one molecule within a crystal or a cell through optical excitation....
Raman spectroscopy
That branch of spectroscopy concerned with Raman spectra and used to provide a means of studying pure rotational, pure...
Nernst glower
Important in the field of spectroscopy, the Nernst glower is a solid-body radiator that is made up of a filament of...
Auger electron spectroscopy (AES)
The energy analysis of electrons released in a secondary step following initial excitation or ionization.
laser spark spectroscopy (LASS)
A method of analysis in which a pulsed laser beam is used to heat a particle, producing a plasma, or laser spark. As the...
dynamic spectroscopy
A spectroscopic technique used to display the intensity of an optical pulse as functions of time and frequency...
Rowland ghosts
In spectroscopy, the false images arranged symmetrically on both sides of the true line and caused by irregularities in the...
tip-enhanced Raman spectroscopy
A spectroscopic technique that combines the high chemical specificity of Raman scattering and signal sensitivity provided by...
modulation spectroscopy
A method of spectral analysis in which some property of the sample is varied and the corresponding change is measured. The...
nuclear magnetic resonance (NMR) spectroscopy
That branch of spectroscopy that applies to the study of interactions between energy and atomic nuclei. The simultaneous...
microprobe
An instrument that produces an intense, tightly focused beam of ions to stimulate emissions from a minute section of a...
photoacoustic spectroscopy (PAS)
A method for obtaining the optical absorption spectra of solids, semisolids, liquids and gases. PAS is inherently...
optical emission spectroscopy (OES)
In dry etching, a method of characterizing the composition of solid materials such as metal. Atoms in the OES technique are...
atomic absorption (AA) spectroscopy
The analysis of the atomic structure of a sample by means of a source radiation that is absorbed and emitted by the sample...
ghost
1. A faint second image caused by reflection that is sometimes seen when observing through an optical instrument. 2. With...
mask spectrometer
Instrument that uses absorption spectroscopy to detect gases in planetary atmospheres. Dispersed incoming radiation is...
electromodulation spectroscopy
A type of modulation spectroscopy that measures spectral reflectance or transmittance changes induced by applying a...
vacuum ultraviolet spectroscopy
A method of spectral analysis using wavelengths between 100 and 300 nm that utilizes both emission and absorption techniques.
absorption peak
In the field of spectroscopy, the frequency or wavelength of a given sample which exhibits the maximum or the highest...
spectrographic electrode
The hollow electrode used in emission spectroscopy to hold the material to be examined and, using an arc or spark source, to...
optical density
A measure of the transmittance through an optical medium. Optical density equals the log to the base 10 of the reciprocal of...
molecular spectroscopy
Spectrum analysis concerned with the spectra formed by transitions in molecules.
residual gas analysis
A measurement in optical thin-film coating processes whereby the gases remaining in the vacuum chamber after coating are...
fluctuation spectroscopy (flusy)
A technique developed to measure the molecular weight of macromolecules by analyzing the spontaneous fluctuations that occur...
photodischarge spectroscopy (PDS)
A spectroscopic process that detects and analyzes the discharge from an extrinsic surface with less than bandgap light. This...
null process
Commonly performed in spectroscopy, the optical null process is a method for radiation detection whereby physical detectors...
radiation thermocouple
A thermocouple that is used in infrared spectroscopy to detect a sample's infrared emittance. See thermocouple.
swept-source laser
A type of laser in which the output wavelength is adjustable over a wide range of wavelengths. The laser is focused on a...
phosphorescence spectroscopy
The spectroscopic study of the radiation emitted by the lifetime of phosphorescence.
resonance ionization spectroscopy
A type of ultrasensitive laser spectroscopy that can detect quantities as small as a single atom of some substances and that...
magnetic resonance spectroscopy
A method of studying the chemical and physical properties of atoms and molecules (typically living tissue and chemical...
surface analysis by laser ionization
(SALI) A type of spectroscopy in which neutral atoms or molecules are ionized by an excimer laser beam and then measured by...
direct-line fluorescence
With respect to atomic fluorescence spectroscopy, the fluorescence that is emitted by an atom at a spectral line of a...
flame spectroscopy
The study of flames by means of a laser emitting blue light and a spectrometer to measure the green fluorescence created by...
atomic fluorescence spectroscopy (AFS)
The analysis of fluorescence emitted by discrete atoms, in flames, that have absorbed radiation from an external source. It...
picosecond spectroscopy
A method of measuring complex sequential photosynthetic reactions by varying the pulse time and wavelength of light...
Fabry-Perot spectroscopy
The spectroscopic analysis of interference patterns using a monochannel spectrometer, spectrograph or multichannel...
(84 results found)
PHOTONICS MARKETPLACE
Search more than 4000 manufacturers and suppliers of photonics products and services worldwide:
LATEST HEADLINES
Quantum Drone Network Offers Versatile Security Across Environments
May 26, 2022
GlobalFoundries Unveils Enhanced R&D Program
May 26, 2022
Army Demonstration Advances Directed Energy System
May 25, 2022
Diffractive Optical Network Supports Quantitative Phase Imaging
May 25, 2022
IR-Med Names Moshe Gerber CEO: People in the News: 05/25/22
May 25, 2022
Quantum Computing Inc. to Acquire QPhoton
May 24, 2022
Researchers Deploy Metasurface Tech to Design Encryption Devices
May 24, 2022
Partnership Advances Metal 3D Printing for Auto Series Production
May 24, 2022
Microscopy Methods Pair to Advance Nanoscale Superresolution Imaging
May 24, 2022
Laser Endomicroscopy Enables Lung Cancer Detection in Real Time
May 23, 2022
view all
LATEST PRODUCTS
3D Sensor
EVT Eye Vision Technology GmbH
Digital Pyroelectric Detectors
InfraTec GmbH, Infrarotsensorik und Messtechnik
Meniscus Slow Axis Collimator
Focuslight Technologies Inc.
Anti-abrasion Glass Coating
Abrisa Technologies
Automated Measuring Stations
Jenoptik Optical Systems GmbH, Optical Systems
Flow Cytometry Reagents
Becton Dickinson & Co.
Embedded System
Vecow Co. Ltd.
Area Color Inspection System
Radiant Vision Systems, Test & Measurement
Live-cell Imaging Analysis System
CytoSMART Technologies
Near-eye Display Measurement System
Gamma Scientific
view all
FEATURES
A New Generation of Femtosecond Lasers Packs Practicality with Precision
Photonics Spectra
, May 2022
Fluorescence Imaging Deepens the View: From Single Cells to the Subcellular
BioPhotonics
, May/Jun 2022
Inspecting: One Line at a Time
Vision Spectra
, Spring 2022
view all
BOOKSTORE
Lasers in Industry
Technologies, applications and markets for industrial lasers This book is for anyone working on,...
BUY NOW >
Terms & Conditions
Privacy Policy
About Us
Contact Us
Our Publications
Photonics Spectra
BioPhotonics
Vision Spectra
Photonics Showcase
Photonics Buyers' Guide
Photonics Handbook
Photonics Dictionary
E-Newsletters
Sections
News
Features
Products
White Papers
Media
Light Matters Newscast
Webinars
Events & Courses Calendar
Browse by Subject
Lasers
Optics
Imaging
Biophotonics
Industrial
Sensors & Detectors
Test & Measurement
Light Sources
Fiber Optics
Spectroscopy
Microscopy
Materials & Coatings
Services
Subscribe
Login
Register
Advertise
Submit a Press Release
List in the Buyers' Guide
Buy Wall Charts
Terms & Conditions
Privacy Policy
California Consumer Privacy Act (CCPA)
About Us
Contact Us
back to top
©2022 Photonics Media, 100 West St., Pittsfield, MA, 01201 USA,
[email protected]
x
We deliver – right to your inbox. Subscribe FREE to our newsletters.
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.