Glossary
Terms and abbreviations that appear often in laser and laser weapon articles. Definitions are added one by one after checking official sources. 88 entries
Basic concepts
- stimulated emission유도 방출
- To be written
- Explained inB1What is a laser? How it differs from a light bulb
- spontaneous emission자연 방출
- To be written
- Explained inB3The three parts of a laser: gain medium, pump and resonator
- population inversion밀도 반전
- To be written
- Explained inB3The three parts of a laser: gain medium, pump and resonator
- gain medium이득 매질
- To be written
- Explained inB3The three parts of a laser: gain medium, pump and resonator
- optical resonator공진기
- To be written
- Explained inB3The three parts of a laser: gain medium, pump and resonator
- coherence결맞음
- To be written
- Explained inB1What is a laser? How it differs from a light bulbB10Interference and diffraction: how light adds up and spreadsIn preparation
- wavelength파장
- To be written
- Explained inB2Light basics: waves, wavelength, frequency and photonsB5Why wavelength matters: visible and invisible light
- Gaussian beam가우시안 빔
- To be written
- Explained inB12Why a beam spreads: divergence, focus and apertureIn preparationS2The basic idea of beam propagation: Gaussian beams and diffractionIn preparation
- beam qualityM²빔 품질
- To be written
- Explained inB13Beam quality: M², divergence and brightnessIn preparationN3An overview of the beam measurement standard: how M² is defined to be measuredIn preparation
- beam divergence발산각
- To be written
- Explained inB12Why a beam spreads: divergence, focus and apertureIn preparationS2The basic idea of beam propagation: Gaussian beams and diffractionIn preparation
- brightness밝기
- To be written
- Explained inB13Beam quality: M², divergence and brightnessIn preparation
- transverse mode횡모드
- To be written
- Explained inB13Beam quality: M², divergence and brightnessIn preparationF6Limits of a single fiber (2): heat and mode instability
- longitudinal mode종모드
- To be written
- Explained inB8Q-switching and mode locking: two ways to make short pulses
- frequency주파수 (진동수)
- To be written
- Explained inB2Light basics: waves, wavelength, frequency and photons
- interference간섭
- To be written
- Explained inB10Interference and diffraction: how light adds up and spreadsIn preparationF8Coherent beam combining: the principle, from published reviews
- diffraction회절
- To be written
- Explained inB10Interference and diffraction: how light adds up and spreadsIn preparationS2The basic idea of beam propagation: Gaussian beams and diffractionIn preparation
- polarization편광
- To be written
- Explained inB11Polarization: the direction in which light vibratesIn preparation
- absorption흡수
- To be written
- Explained inB5Why wavelength matters: visible and invisible lightI2How a laser processes material: absorption, heating and meltingIn preparation
- scattering산란
- To be written
- Explained inT10Light through air: absorption, scattering, turbulence, thermal bloomingIn preparation
- aperture구경
- To be written
- Explained inB12Why a beam spreads: divergence, focus and apertureIn preparationT3Beam director optics: lenses, mirrors, coatings and a large apertureIn preparation
Units and measurement
- intensity (irradiance)세기 (방사 조도)
- To be written
- Explained inB6Power, energy and intensity: W, J and W/cm²I2How a laser processes material: absorption, heating and meltingIn preparation
- fluence플루언스 (에너지 밀도)
- To be written
- Explained inI2How a laser processes material: absorption, heating and meltingIn preparation
- decibeldB데시벨
- To be written
- Explained inN1Units and dB notes: reading W, dBm and ratiosIn preparation
- optical power meter파워미터 (광 출력계)
- To be written
- Explained inH1Inside a laser lab: from the optical table to the power meterIn preparationH4Measuring light: power meters, beam profilers, spectrum analyzersIn preparation
- beam profiler빔 프로파일러
- To be written
- Explained inH4Measuring light: power meters, beam profilers, spectrum analyzersIn preparationN3An overview of the beam measurement standard: how M² is defined to be measuredIn preparation
- lidarLiDAR라이다
- To be written
- Explained inI5Measuring with lasers: range finding and lidar basicsIn preparation
Modes of operation
- continuous-wave laserCW연속파 레이저 (CW 레이저)
- To be written
- Explained inB7Continuous-wave and pulsed lasers
- Q-switchingQ-스위칭
- To be written
- Explained inB8Q-switching and mode locking: two ways to make short pulses
- mode locking모드 잠금
- To be written
- Explained inB8Q-switching and mode locking: two ways to make short pulsesI4Ultrashort-pulse laser processing: why less heat is left behindIn preparation
- pulse duration펄스 폭
- To be written
- Explained inB7Continuous-wave and pulsed lasersI5Measuring with lasers: range finding and lidar basicsIn preparation
- peak power첨두 출력
- To be written
- Explained inB6Power, energy and intensity: W, J and W/cm²B7Continuous-wave and pulsed lasers
- average power평균 출력
- To be written
- Explained inB6Power, energy and intensity: W, J and W/cm²B7Continuous-wave and pulsed lasers
- chirped pulse amplificationCPA처프 펄스 증폭
- To be written
- Explained inI4Ultrashort-pulse laser processing: why less heat is left behindIn preparation
Building blocks
- oscillator오실레이터 (발진기)
- To be written
- Explained inB9Oscillators and amplifiers: making light, then growing it
- master oscillator power amplifierMOPA주 발진기 출력 증폭기
- To be written
- Explained inB9Oscillators and amplifiers: making light, then growing it
- seed laser씨앗 레이저
- To be written
- Explained inB9Oscillators and amplifiers: making light, then growing it
- laser diodeLD레이저 다이오드
- To be written
- Explained inB4Laser types at a glance: gas, solid-state, fiber, semiconductorH2Pump diodes: the part that turns electricity into lightIn preparation
- pump diode펌프 다이오드
- To be written
- Explained inH2Pump diodes: the part that turns electricity into lightIn preparationF4Double-clad fibers and how pump light gets in: separate paths for laser light and pump light
- optical isolator광 아이솔레이터
- To be written
- Explained inH5Isolators and fiber components: keeping light from going backwardsIn preparation
- diffraction grating회절격자
- To be written
- Explained inF7Why beam combining is needed, and its three approaches
- optical coating광학 코팅
- To be written
- Explained inH3Mirrors, lenses and coatings: optics for strong lightIn preparationT3Beam director optics: lenses, mirrors, coatings and a large apertureIn preparation
- anti-reflection coatingAR무반사 코팅
- To be written
- Explained inH3Mirrors, lenses and coatings: optics for strong lightIn preparation
- laser-induced damage thresholdLIDT레이저 유도 손상 문턱
- To be written
- Explained inH3Mirrors, lenses and coatings: optics for strong lightIn preparationT3Beam director optics: lenses, mirrors, coatings and a large apertureIn preparation
- thermal management열 관리
- To be written
- Explained inH6Power supplies and chillers: the equipment behind a laserIn preparationT5Cooling and thermal management: where the heat that did not become light goesIn preparation
Fiber lasers
- fiber laser광섬유 레이저
- To be written
- Explained inB4Laser types at a glance: gas, solid-state, fiber, semiconductorF1What is a fiber laser? Growing light inside a thin glass fiber
- ytterbium-doped fiberYDF이터븀 첨가 광섬유
- To be written
- Explained inF1What is a fiber laser? Growing light inside a thin glass fiber
- double-clad fiberDCF이중 클래드 광섬유
- To be written
- Explained inF4Double-clad fibers and how pump light gets in: separate paths for laser light and pump light
- single-mode fiberSMF단일 모드 광섬유
- To be written
- Explained inF2How a fiber guides light: core and cladding
- large-mode-area fiberLMA대구경 모드 면적 광섬유
- To be written
- Explained inF4Double-clad fibers and how pump light gets in: separate paths for laser light and pump light
- fiber Bragg gratingFBG광섬유 브래그 격자
- To be written
- Explained inH5Isolators and fiber components: keeping light from going backwardsIn preparation
- amplified spontaneous emissionASE자연 방출 증폭
- To be written
- Explained inH5Isolators and fiber components: keeping light from going backwardsIn preparation
- stimulated Brillouin scatteringSBS유도 브릴루앙 산란
- To be written
- Explained inF5Limits of a single fiber (1): nonlinear effects (SBS, SRS)N2Reading a review paper on high-power fiber lasersIn preparation
- stimulated Raman scatteringSRS유도 라만 산란
- To be written
- Explained inF5Limits of a single fiber (1): nonlinear effects (SBS, SRS)
- transverse mode instabilityTMI횡모드 불안정성
- To be written
- Explained inF6Limits of a single fiber (2): heat and mode instabilityN2Reading a review paper on high-power fiber lasersIn preparation
- total internal reflectionTIR전반사
- To be written
- Explained inF2How a fiber guides light: core and cladding
Beam combining
- beam combining빔 결합
- To be written
- Explained inF7Why beam combining is needed, and its three approaches
- incoherent beam combining비간섭성 빔 결합
- To be written
- Explained inF7Why beam combining is needed, and its three approaches
- spectral beam combiningSBC분광 빔 결합
- To be written
- Explained inF7Why beam combining is needed, and its three approaches
- coherent beam combiningCBC결맞음 빔 결합
- To be written
- Explained inF7Why beam combining is needed, and its three approachesF8Coherent beam combining: the principle, from published reviews
Laser weapons and systems
- high-energy laserHEL고에너지 레이저
- To be written
- Explained inW1What is a laser weapon? Film versus realityIn preparationW2Why a laser weapon does not finish "the instant it fires"In preparation
- directed-energy weaponDEW지향성 에너지 무기
- To be written
- Explained inW1What is a laser weapon? Film versus realityIn preparationW6Lasers and high-power microwaves: two kinds of directed energyIn preparation
- beam director빔 지향기
- To be written
- Explained inT1A laser weapon is more than a laser: the system at a glanceIn preparationT3Beam director optics: lenses, mirrors, coatings and a large apertureIn preparation
- gimbal김발
- To be written
- Explained inT2Gimbals, pointing and tracking: holding the beam on one spotIn preparationT8Fast steering mirrors: small, quick mirrors that cancel shakeIn preparation
- fast steering mirrorFSM고속 조향 거울
- To be written
- Explained inT8Fast steering mirrors: small, quick mirrors that cancel shakeIn preparation
- adaptive opticsAO적응광학
- To be written
- Explained inT11Adaptive optics: restoring a blurred beamIn preparation
- deformable mirrorDM변형 거울
- To be written
- Explained inT11Adaptive optics: restoring a blurred beamIn preparation
- wavefront sensorWFS파면 센서
- To be written
- Explained inT11Adaptive optics: restoring a blurred beamIn preparation
- atmospheric turbulence대기 난류
- To be written
- Explained inT10Light through air: absorption, scattering, turbulence, thermal bloomingIn preparationT11Adaptive optics: restoring a blurred beamIn preparation
- thermal blooming열 블루밍
- To be written
- Explained inT10Light through air: absorption, scattering, turbulence, thermal bloomingIn preparation
- jitter지터
- To be written
- Explained inT2Gimbals, pointing and tracking: holding the beam on one spotIn preparationT7Vibration and shock: protecting optics on a moving platformIn preparation
- wall-plug efficiencyWPE전기-광 변환 효율
- To be written
- Explained inF3Why fiber lasers became so widely used: from the lab to the factoryH6Power supplies and chillers: the equipment behind a laserIn preparation
- size, weight and powerSWaP크기·무게·전력
- To be written
- Explained inW3Strengths and limits of laser weaponsIn preparationW7How to read laser weapon news: "kW-class", "range" and "cost per shot"In preparation
- high-power microwaveHPM고출력 마이크로파
- To be written
- Explained inW6Lasers and high-power microwaves: two kinds of directed energyIn preparation
- acquisition, tracking and pointingATP포착·추적·조준
- To be written
- Explained inT2Gimbals, pointing and tracking: holding the beam on one spotIn preparation
- dwell time조사 시간
- To be written
- Explained inW2Why a laser weapon does not finish "the instant it fires"In preparation
Safety
- laser safety class레이저 안전 등급
- To be written
- Explained inB14Laser safety: classes and how to read eyewear labels
- optical densityOD광학 밀도
- To be written
- Explained inB14Laser safety: classes and how to read eyewear labels
- maximum permissible exposureMPE최대 허용 노출량
- To be written
- Explained inB14Laser safety: classes and how to read eyewear labels