Photon, Inc. - Light Measurement Solutions
 
Glossary of Terms

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Absorb

Absorbance

Absorption

Absorption

Absorption Coefficient Factor

Accessible Emission

Accessible Emission Limit

Active Atom (active ion)

Active Medium

Active Medium

Afocal

Aiming Beam

Amplification

Amplitude

Angle of Incidence

Angstrom

Analog

Anode

Aperture

Apparent Visual Angle

AR Coatings

Argon

Articulated Arm

ASE

Attenuation

Attenuation Coefficient

Attenuator

Autocollimator

Average Output Power

Aversion Response

Axial-Flow Laser

Axicon Lens

Axis, Optical Axis

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Back Reflection

Backscattering

Bandwidth

Beam

Beam Bender

Beam Delivery System

Beam Diameter

Beam Divergence

Beam Expander

Beam Quality

Beam Radius

Beam Splitter

Beam Splitting

Beam Waist

Beam Width

BeamProfiler

BeamScan

Bending Loss, Microbending Loss

Bit-Error Rate (BER)

BERT

Birefringent Filter

Bit

Brewster Windows

Brightness

Buffer

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C Band

Cable

Cable Plant, Fiber Optic

C.I.E.

Calorimeter

Carbon dioxide (CO2) Laser

Cavity

Chromatic Dispersion

Cladding

Closed Installation

CO2 Laser

Coatings

Coaxial Gas

Coherence

Coherent Radiation

Collimated Light

Collimation

Combiner Mirror

Connector

Continuous Wave (CW)

Convergence

Corrected Lens

Core

Coupler

Crystal

Crystal

Crystal Growth

Current Regulation

Current Saturation

Cutback Method

Cutoff Wavelength

CW

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dB(mu)

dBm

Decibel (dB)

Dense Wavelength Division Multiplexing (DWDM)

Depth of Field

Depth of Focus

Detector

Dichroic Filte

Differential Absorption Lidar (DIAL)

Diffraction Deviation

Diffraction Limited

Diffuse Reflection

Diffuser

Diffusion-Cooled Laser

Digital

Diode Laser

Directionality

Dispersion

Dispersion Shifted Fiber

Divergence

Dopant

Doppler Lidar

Doppler Shift

Dosimetry

Drift

Drift (Angular)

Duty Cycle

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EDFA

Edge-Emitting Diode (E-LED)

Effective Area (Aeff)

Efficiency

EIA

Electric Vector

Electromagnetic Radiation

Electromagnetic Spectrum

Electromagnetic Wave

Electron

Embedded Laser

Emergent Beam Diameter

Emission

Emissivity

End Finish

Energy

Energy Level

Pump Level

Upper Laser Level

Lower Laser Level

Ground state

Emittance

Enclosed Laser Device

Energy (Q)

Energy Source

Enhanced Pulsing

Equilibrium Modal Distribution (EMD)

Etalon (aka Fabry-Perot Interferometer)

Excess Loss

Excimer

Excimer Laser

Excitation

Excitation Source

Excited State

Exposure

Extended Source

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F-Number

Fabry-Perot Interferometer

Far Field

FEC (Forward Error Correction)

Feedback

Femtoseconds

Ferrule

Fiber Amplifier

Fiber Distributed Data Interface (FDDI)

Fiber Identifier

Fiber Optics

Fiber Tracer

Flashlamp

Flexography

Fluorescence

Flux

FO

Focal Length

Focal Point

Focus

Folded Resonator

FOTP

Frequency

Fresnel Reflection

Fusion Splicer

FWHM

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Gain

Gain Material (aka Active Medium or Laser Material)

Gas Discharge Laser

Gas Jet Assist

Gas Laser

Gated Pulse

Gaussian

Gaussian Beam

Gaussian Curve

Goniometric Radiometer

Graded Index (GI)

Ground State

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Half-Power Point (FWHM)

HAZ

Heat Sink

Helium-Neon Laser ("HeNe")

Hertz (Hz)

Hologram

Host

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Image

Incident Light

Index of Refraction

Index Matching Fluid

Index Profile

Infrared Radiation

Injection Seeding

Insertion Loss

Integrated Radiance

Intensity

Intrabeam Viewing

Ion Laser

Ionizing Radiation

Irradiance (E)

Irradiation

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Jacket

Joule (J)

Joule/cm2

Jumper Cable

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KTP (Potassium Titanyl Phosphate)

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L Band

Lambertian Surface

Laser

Laser Accessories

Laser Device

Laser Diode, ILD

Laser Hardening

Laser Material

Laser Medium (Active Medium)

Laser Oscillation

Laser Rod

Laser System

Laser Safety Officer (LSO)

Lattice

Launch Cable

LD

Leading Edge

LED

Lens

Lidar

Lifetime

Light

Light-Emitting Diode, LED

Light Regulation

Limiting Angular Subtense

Limiting Aperture

Limiting Exposure Duration

Line Width

Link, Fiber Optic

Long Wavelength

Longitudinal or Axial Mode

Loss, Optical

Loss Budget

Lossy Medium

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Margin

Maximum Permissible Exposure (MPE)

Mechanical Splice

Meniscus Lens

Metastable State

Metastable Energy Level

Meter

Micrometer

Microprocessor

Microradian

Microscopic Fiber Optic Inspection

Milliradian

Modal Dispersion

Mode

Mode Field Diameter

Mode Filter

Mode Locked

ModeScan

Mode Scrambler

Modulation

Monochromatic

Monochromatic Light

Monochromaticity

Multimode

Multimode Fiber

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Nanosecond

Nd:Glass Laser

Nd:YAG Laser

Near Field Imaging

NEMA

Neodymium (Nd)

Network

Noise

Nominal Hazard Zone (NHZ)

Nominal Ocular Hazard Distance (NOHD)

Non-linear Crystal

Normal Mode

Numerical aperture (NA)

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Object

Opacity

Open Installation

Operation

Optic Disc

Optical Amplifier

Optical Cavity (Resonator)

Optical Density

Optical Fiber

Optical Loss Test Set (OLTS)

Optical Parametric Oscillator OPO

Optical Power

Optical Pumping

Optical Radiation

Optical Resonator

Optical Return Loss, Back Reflection

Optical Switch

Optical Time Domain Reflectometer (OTDR)

Optically Pumped Lasers

Oscillator

OTDR

Output Coupler

Output Power

Overfilled launch (OFL)

Oxygen Assist

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Phase

Photocoagulation

Photodiode

Photometer

Photon

Photosensitizers

Picosecond

Pigtail

Plasma

Plasma Shield

Plastic Optical Fiber (POF)

Plastic-Clad Silica (PCS) Fiber

Pockel's Cell

Point Source

Pointing Errors

Polarizer

Polarization

Polarization

Population Inversion

Power

Power Budget

Power Density

Power Meter

Power Meter, Fiber Optic

Power Ramping

Power Spectral Density

Preform

Protective Housing

Pulse

Pulse Duration

Pulse Energy

Pulse Mode

Pulse Repetition Frequency (PRF)

Pulsed Laser

Pulsed Laser

Pulsewidth

Pump

Pump

Pumped Medium

Pumping

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Q-Switch

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Radian

Radiance Brightness

Radiant Energy (Q)

Radiant Exposure

Radiant Flux Radiant Power

Radiant Intensity

Radiant Power

Radiation

Radiometry

Rayleigh Scattering

Receive Cable

Receiver

Reflectance Reflectivity

Reflection

Reflectivity

Refraction

Refractive Index

Remote Sensing

Active Remote Sensing

Passive Remote Sensing

Repeater, Regenerator

Repetition Rate

Repetitively Pulsed Laser

Resolution

Resonator

Resonator

Stable Resonator

Unstable Resonator

Rotating Lens

Ruby

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S Band

Scanning Laser

Scattering

Scintillation

Secured Enclosure

Semiconductor Laser

Sensitizer

Service

Short Wavelength

Shot

Single Mode Fiber

Slab Laser

Solid Angle

Solid State Laser

Source

Spectra

Absorption Spectra

Electro-magnetic Spectrum

Gamma Rays

X-ray

Ultra-Violet (UV)

Visible

Infrared (IR)

Microwave

Radio Waves and TV

Emission Spectra

Spectral Response

Spectrometer

Specular Reflection

Splice (Fusion or Mechanical)

Splitting Ratio

Spontaneous Emission

Spontaneous Emission

Spot Size

SpotScan

Stability

Steady State Modal Distribution

Step Index Fiber

Steradian (sr)

Stimulated emission

Superpulse

Surface Emitter LED

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Talkset, Fiber Optic

TEA Laser

Telemetry Channel

Telescope

TEM

TEM00

Termination

Test cable

Test Kit

Test Source

Thermal Relaxation

Threshold

TIA

Total Internal Reflection

Transmission

Transmittance

Transmitter

Transverse Flow

Tunable Laser

Tunable Dye Laser

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Ultraviolet Radiation

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Vaporization

VCSEL

Vertical Profile

Vignetting

Visible Radiation (Light)

Visual Fault Locator

Vortex

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Watt

Watt/cm2

Wave

Wavelength

Wavelength Division Multiplexing (WDM)

Window

Word Wrapper

Working Margin

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X-Ray Laser

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YAG

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Z-Cavity

 

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