调制器和固定移频器调制器:声光调制器用于改变入射激光束的强度(调幅,AM)。调制可以是数字的(开/关)或模拟的(正弦波、方波、线性、随机……)。调制器的关键参数是其上升/下降时间,它定义了可实现的调制“速度”或幅度调制带宽。上升/下降时间与调制器内的光束直径成正比。因此,激光束必须聚焦在调制器内部以达到快速上升时间。固定移频器:声光移频器利用声光相互作用实现激光频移。激光波长的频移量为载波 RF 频率。频移可以是正值或负值,具体取决于角度配置设计。调制器用作固定移频器。 型号参数ModelMaterialWavelength (nm)Aperture (mmxmm)Freq (Shift) (MHz)PolarisationRise Time (ns)*Modul. BW MHz (AM)Diffraction Efficiency (%)**Associated RF driversMQ200-A1,5-244.266.BrFused silica244-2661,5 x 2200Linear60885MODAxxMQ200-A1,5-266.300Fused silica266-3001,5 x 2200Linear60885MODAxxMQ180-A0,2-266.300Fused silica266-3000,2 x 1180Linear104885MODAxxMQ180-A0,2-UVFused silica325-4250,2 x 1180Linear104880MODAxxMQ110-A3-UVFused silica325-4253 x 3110Linear501090MODAxxMQ240-A0,2-UVFused silica325-4250,2 x 1240Linear68070MODAxxMQ180-A0,25-VISFused silica440-6500,25 x 1180Linear104870MODAxxMCQ110-A2-VISQuartz488-6332 x 2110Linear50885MODAxxMT350-A0.12-VISTeO2450-7000,12 x 1350Linear59680MODAxxMT250-A0.5-VISTeO2450-7000,5 x 2250Linear68085MODAxxMT200-A0.5-VISTeO2450-7000,5 x 2200Linear86085MODAxxMT110-A1-VISTeO2450-7001 x 2110Linear153285MODAxxMT110-A1.5-VISTeO2450-7001,5 x 2110Linear50985MODAxxMT80-A1-VISTeO2450-7001 x 280Linear232185MODAxxMT80-A1.5-VISTeO2450-7001,5 x 280Linear50985MODAxxMTS110-A3-VISTeO2458-6333 x 3110Linear10000,485MODAxxMTS40-A2-532.700-M002TeO2532-7002 x 240Linear10000,485MODAxxMTS40-A3-750.850TeO2750-8503 x 340Linear10000,485MODAxxMT110-B50A1.5-IR-HkTeO2690-10641,5 x 2110 +/- 25Linear50980MPDSnC-xxMT110-B69A1.5-680.1300-Lfv-HkTeO2680-13001,5 x 2110 +/- 34.5Linear50980MPDSnC-xxMT350-A0.12-800TeO2700-950 (1100)0,12 x 1350Linear59680MODAxxMT250-A0.5-VISTeO2700-950 (1100)0,5 x 2250Linear68080MODAxxMT200-A0.5-800TeO2700-950 (1100)0,5 x 2200Linear86085MODAxxMT110-A1-IRTeO2700-950 (1100)1 x 2110Linear153285MODAxxMT110-A1.5-IRTeO2700-950 (1100)1,5 x 2110Linear50985MODAxxMT80-A1-IRTeO2700-950 (1100)1 x 280Linear232185MODAxxMT80-A1.5-IRTeO2700-950 (1100)1,5 x 280Linear50985MODAxxMT200-A0.5-1064TeO2980-11000,4 x 2200Linear86080MODAxxMT200-A0.2-1064TeO2980-11000,2 x 1200Linear86080MODAxxMT110-A1-1064TeO2980-11001 x 2110Linear153285MODAxxMT80-A1-1064TeO2980-11001 x 280Linear232185MODAxxMT80-A1.5-1064TeO2980-11001,5 x 280Linear50985MODAxxMQ80-A0.7-L1030.1064-Z20SiO21030-10800.7 x 180Linear1201485MODAxxQMODP0xxMQ40-A3-L1064-WSiO21030-10803 x 340Linear120485MODAxxQMODP1xxMCQ40-A1.5-L1064-Z32-CxxxQuartz1030-10801.5 x 1.540Linear80685MODAxxQMODP0xxMCQ80-A2-L1064-Z32-CxxxQuartz1030-10802 x 280Linear80685MODAxxQMODP0xxMGAS40-A1Dopped Glass1300-16001 x 240Random501085MODAxxMGAS80-A1Dopped Glass1300-16001 x 280Random501085MODAxxMGAS110-A1Dopped Glass1300-16001 x 2110Random252085MODAxxMT80-A0,7-1300.1600TeO21300-16000.7 x 380Linear80665MODAxxMT80-A0,4-2000TeO21900-21000.4 x 180Linear252065MODAxxMG40-A6-9300Germanium93006 x 1040Linear120475MODAxxQMODP1xxMG40-A8-9300Germanium93008 x 1040Linear120475MODAxxQMODP1xxMG40-A6-10600Germanium106006 x 1040Linear120475MODAxxQMODP1xxMG40-A8-10600Germanium106008 x 1040Linear120475MODAxxQMODP1xx 脉冲选择器脉冲选择器是一种电控光学开关,用于从快速脉冲序列中提取单个脉冲。在大多数情况下,短脉冲和超短脉冲是由锁模激光器以脉冲序列的形式产生的,脉冲重复率约为 10 MHz – 几 GHz。由于各种原因,经常需要从这样的脉冲串中挑选特定的脉冲,即只传输特定的脉冲并阻止所有其他脉冲。这可以通过脉冲选择器来完成,脉冲选择器本质上是一个电控光门。型号参数TeO2 通用脉冲选择器ModelWavelength nmAperture mmxmmPolarisationBeam diameter mmRise Time nsMax Repetition rate with Duty cycle 1/10 MHzSeparation angle (0-1) mrdEfficiency %Associated RF driversMT200-A0.5-800700-9500.5 x 1Linear0.06 - 0.310 - 483.3 - 0.6938 @800nm75 - 85MODAxxPPKxxMT200-A0.2-1064980-11000.2 x 1Linear0.09 - 0.315 - 482.2 - 0.6950.6 @1064nm75 - 85MODAxxPPKxxMT250-A0.12-800700-9500.12 x 1Linear0.04 - 0.16 - 165.5 - 247.6 @800nm70 - 85MODAxxPPKxxMT250-A0.12-1030.10641030-10640.12 x 1Linear0.05 - 0.18 - 164.1 - 263.3 @1064nm70 - 85MODAxxPPKxx SiO2 高损伤阈值脉冲选择器ModelWavelength nmAperture mmxmmPolarisationBeam diameter mmRise Time nsMax Repetition rate with Duty cycle 1/100 KHzSeparation angle (0-1)Efficiency %Associated RF driversMQ80-A0.7-L1030.1064-Z201000-11000.7 x 1Linear0.3 - 0.533 - 55100 - 6014.3 @1064nm75 - 85MODAxxMQ80-A0.3-L1030.1064-Z201000-11000.3 x 1Linear0.15 - 0.315 - 30370 - 15026.8 @1064nm50 - 70MODAxx 偏转器和可变移频器布拉格配置提供单个一阶输出光束,其强度直接与 RF 控制信号的功率相关,而其角度与 RF 频率直接相关。 通过改变频率,可以修改输出激光束角度。偏转器用于在一定角度范围内扫描激光束,或精确控制激光束的输出角度。通过改变频率,一阶光束也被移频了 RF 载波频率的量:它就像一个可变移频器。 偏转器的主要参数是1. 偏转角范围和 2. 分辨率。 偏转角范围是激光束的最大角度变化:它与设备的频率范围有关。偏转器的分辨率是偏转器可以处理的不同方向的数量:它与偏转角范围和激光发散角有关。两个偏转器可以串联和成直角使用,以提供完整的二维扫描。型号参数高分辨率ModelMaterialWavelength nmAperture mmxmmFreq (Shift) MHzPolarisationResolution T.DFDeflexion angle rangeEfficiency %Associated RF driversDTSX-250TeO2405-1550*4,5 x 4,5f(λ)Linear300@633nm48@633nm 70DDSPAxx DRFAxxDTSX-400TeO2405-1550*7,5 x 7,5f(λ)Linear500@633nm48@633nm 70DDSPAxx DRFAxxDTSXY-2502 Axis TeO2405-1550*4,5 x 4,5f(λ)Linear300x300@633nm41 x 41@532nm 45DDSPAxx DRFAxxDTSXY-4002 Axis TeO2405-1550*7,5 x 7,5f(λ)Linear500x500@633nm41 x 41@532nm 45DDSPAxx DRFAxxDT230-B120A0,5-UVTeO2400-4500,5 x 17,5230+/-60Linear50011,4@400nm 50DDSPAxx DRFAxxDT230-B120A0,5-VISTeO2450-6700,5 x 17,5230+/-60Linear50015@532nm 50DDSPAxx DRFAxx 低分辨率ModelMaterialWavelength (nm)Aperture mm² Frequency shift (MHz)PolarisationResolution TΔFDeflexion angle (mrd)Diffraction Efficiency (%)*Associated RF driversMQ200-B30A1,5-244.266.BrFused Silica244-2661.5 x 2200+/-15Linear51,3@266nm 60DDSPAxx DRFAxxMQ110-B30A1-UVFused Silica325-4251 x 2110+/-15Linear101.8@355nm 60DDSPAxx DRFAxxMT200-B50A0,5-400.442TeO2400-4420,5 x 2200+/-25Linear/random235,4 @458nm 80DDSPAxx DRFAxxMT200-B100A0,5-VISTeO2450-7000,5 x 2200+/-50Linear/random4712,6@532nm 70@633nmDDSPAxx DRFAxxMT110-B50A1-VISTeO2450-7001 x 2110+/-25Linear/random236,3@532nm 65@633nmDDSPAxx DRFAxxMT110-B50A1,5-VISTeO2450-7001,5 x 2110+/-25Linear/random236,3@532nm 65@633nmDDSPAxx DRFAxxMT80-B30A1-VISTeO2450-7001 x 280+/-15Linear/random143,8@532nm 65DDSPAxx DRFAxxMT80-B30A1,5-VISTeO2450-7001,5 x 280+/-15Linear/random143,8@532nm65DDSPAxx DRFAxxMT200-B100A0,5-800TeO2750-9500,5 x 2200+/-50Linear/random4718,6 @785nm 60DDSPAxx DRFAxxMT200-B40A1-800TeO2750-9501 x 2200+/-20Linear/random197,4 @800nm 70@785nmDDSPAxx DRFAxxMT350-B120A0.12-800TeO2750-9500,12 x 1350+/-60Linear/random2822,8@800nm 60DDSPAxx DRFAxxMT250-B100A0,5-800TeO2750-9500,5 x 2250+/-50Linear/random4719@800nm 60DDSPAxx DRFAxxMT200-B100A0,5-800TeO2750-9500,5 x 2200+/-50Linear/random4719@800nm 60@785nmDDSPAxx DRFAxxMT110-B50A1-IRTeO2700-11001 x 2110+/-25Linear/random239,5@800nm 60@785nmDDSPAxx DRFAxxMT110-B50A1,5-IRTeO2700-11001,5 x 2110+/-25Linear/random239,5@800nm 60@785nmDDSPAxx DRFAxxMT80-B30A1-IRTeO2700-11001 x 280+/-15Linear/random145,7@800nm 70@785nmDDSPAxx DRFAxxMT80-B30A1,5-IRTeO2700-11001,5 x 280+/-15Linear/random145,7@800nm 70@765nmDDSPAxx DRFAxxMT200-B100A0,5-1064TeO2980-11000,4 x 2200+/-50Linear/random4725,3@1064nm 35DDSPAxx DRFAxxMT200-B100A0,2-1064TeO2980-11000,2 x 1200+/-50Linear/random4725,3@1064nm 60DDSPAxx DRFAxxMT110-B50A1-1064TeO2980-11001 x 2110+/-25Linear/random2312,6@1064nm 55DDSPAxx DRFAxxMT80-B30A1-1064TeO2980-11001 x 280+/-15Linear/random147,6@1064nm 60DDSPAxx DRFAxxMT80-B30A1,5-1064TeO2980-11001,5 x 280+/-15Linear/random147,6@1064nm 60DDSPAxx DRFAxx AO可调滤波器 AOTFAOTF 是一种固态电子可调谐带通滤波器,它利用各向异性介质内部的声光相互作用。这些滤光片可与多线光源(混合气体激光器、激光二极管……)或宽带光源(氙气灯、卤素灯……)一起使用。它们允许从入射光中选择并传输单个或多个波长。AA 提出了一系列基于 TeO2的 AOTF。滤光片的设计旨在在每个波长范围内获得最佳性能并满足大多数应用:分辨率低至 1 nm,视场高达 20 度,孔径高达 10 mm……在大多数情况下,可调谐滤波器的滤波输出是共线的,以便于使用这些设备,并满足光纤尾纤输出。随机输入偏振将被分成两个正交偏振(阶数 -1 和 +1)。型号参数ModelSourceWavelength nmAperture mmxmmField of View degreesTuning Time μsPolarizationResolution nm -3dBEfficiency %Associated RF driverAOTFnC-UVLaser350-4302 x 212Linear1-285AOTFnC-400.650Laser400-6503 x 314Linear1-485AOTFnC-VISLaser450-7003 x 314Linear1-285AOTF3-LRLaser/Lamp400-7006 x 649Linear/Random5-2585AOTF3-MRLamp400-7004 x 446Linear/Random3,5-1785AOTF3-HRLamp400-7003,5 x 3,535Linear/Random2,5-1285AOTF-A2-500.850laser/Lamp500-8503 x 344Linear5-1585AOTFnC-IRLaser/Lamp700-11002.5 x 2.543Linear3-985AOTF-A3-700.1200Laser/lamp700-12003 x 334Linear11-3585AOTF10Lamp1250-25003 x 3204,5Linear/Random2-1070-30 多通道可调滤波器AOTFnCAOTFnC 是一种特殊的声光可调滤波器,它利用二氧化碲晶体 (TeO2) 内部的各向异性相互作用来独立或同时控制入射 UV 光或可见激光(白色激光、Ar+、Kr+、HeNe、DPSS、染料…)。 最多可以混合和单独调制 8 条不同的线,以生成不同的色度图案。AOTFnC 的特定晶体切割产生良好的衍射效率 ( 90%)、窄分辨率 (1-2 nm)、低线间串扰和高消光比。 0 阶和 1 阶之间的大分离角以及出色的输出色度共线性(0.2 至 0.3 mrd)使该 AOTF 成为自由空间或光纤尾纤应用的强大工具。其相关的热稳定性保持稳定的衍射效率,并通过单模光纤尾纤显着减少光束漂移。这是高灵敏度应用的主要优势。型号参数AOTFnC-VIS-TNAOTFnC-400.650-TNAOTFnC-400.650-CPCh-TNAOTF-A3-400.650-LR7-TNAOTF-A3.5-400.650-MR7-TNAssociated Driver 1, 4, 8 Channels based on DDSAOTFnC*HR7MR7LR7VISCPChIRAssociated RF driversNumber of channels / Lines842881Acoustic velocity (nom)660 m/s660 m/s660 m/s675 m/s640 m/sOptical wavelength range400-650 nm400-650 nm400-650 nm450-700 nm400-650 nm700-1000 nmTransmission 90 % 90 % 90 % 95 % 90 % 95 %AO interaction typeBirefringentBirefringentBirefringentBirefringentBirefringentBirefringentSelected order-1-1-1-1-11Input Light polarizationLinear orthogonalLinear orthogonalLinear orthogonalLinear orthogonalLinear orthogonalLinear parallelOutput Light polarizationLinear parallelLinear parallelLinear parallelLinear parallelLinear parallelLinear orthogonalDrive frequency range74-158 MHz74-158 MHz74-158 MHz80-153 MHz52-111 MHz37-62 MHzActive aperture3 x 3 mm² 3.5 x 3.5 mm² 3 x 3 mm² 3 x 3 mm² 2.5 x 2.5 mm² 2.5 x 2.5 mm² Spectral resolution (FWHM)nom 1-4 nmnom 2-8 nmnom 4-16 nm 1.5 nmnom 1.6-7.6 nmnom 5-11 nmSeparation angle (orders 0-1) 4° 4° 4° 4.6° 3° 3.5°Chromatic colinearity (order 1) 0,3 mrd 0,3 mrd 0,3 mrd 0,2 mrd 0.3 mrd 0.2 mrdTemperature stabilizationTNTNTNTNTNTNAO Efficiency=90% /line= 90 % /line= 90 % /line= 90 % /line= 90% /line= 85% /lineRise time1 µ s / mm1 µ s / mm1 µ s / mm1 µ s / mm1 µ s / mm1 µ s / mmMax accepted RF power 0.15 W /line 0.3 W /line 0.5 W /line 0.1 W /line 0.15 W /line 1 W /lineElectrical impedance50 Ohms50 ohms50 ohms50 ohms50 ohms50 ohmsVSWR 2/1 2/1 2/1 2/1 2/1 2/1Size70 x 36,6 x 35,8 mm370 x 36,6 x 35,8 mm370 x 36,6 x 35,8 mm370 x 36,6 x 35,8 mm370 x 36,6 x 35,8 mm370 x 36,6 x 35,8 mm3Operating temperature10 to 40 °C10 to 40 °C10 to 40 °C10 to 40 °C10 to 40 °C10 to 40 °C Q开关AA 提出了一系列声光 Q 开关和相关的 RF 驱动器,适用于广泛的应用。它们由最优质的材料制成,具有优化的硬质镀膜,可实现高损坏阈值和长期运行。所有 AA Q 开关的设计都旨在通过独特的胶合和机械技术优化散热和光束稳定性,从而减少操作过程中的压力。型号参数风冷 Q 开关适用于短腔或低增益腔的紧凑型解决方案。ModelMaterialPolarizationCarrier Freq. MHzAperture mm x mmLosses %Optional Length mmAssociated RF driverQCQ40-A1,5-L1064-Z32QUARTZLinear40.681.5 x 2 8032QMODP0xxQCQ80-A1,2-L1064-Z32QUARTZLinear801.2 x 2 8032QMODP0xx 光纤脉冲选择器提取脉冲…AA 提供紧凑型或 VSF 封装的光纤尾纤脉冲选择器,可用于 1030-1080nm、1300-1600nm 和 1900-2100nm。可根据要求提供适用于不同波长、不同光纤类型和不同接口的其他型号。型号参数ModelWavelength(nm)*Fiber TypeConfiguration**Frequency Shift (MHz)***Rise Time (ns)Max Laser Power (W)Insertion Losses (nom dB)Associated RF driverMT200-IR10-Fio-10PLM-J1-A-Ic21030-1064PLMA102 Ports2001012.5MODAxxPPKxxMT200-IR10-Fio-PM-J1-A-Ic1030-1064PM2 Ports2001012.5MODAxxPPKxxMT250-IR6-Fio-PM0,5-J1-A-Ic1030-1064PM2 Ports25060.53.5MODAxxPPKxxMT160-IIR10-Fio-xx1250-1650SM, PM2 Ports160100.5 or 15MODAxxPPKxxMT80-FIR40-Fio-xx1850-2100SM, PM2 Ports80400.5 or 54MODAxxPPKxx调制器和移频器这些光纤尾纤器件可根据型号用作调制器、固定移频器、Q 开关或脉冲选择器。我们的标准版本带有保偏功能的单模光纤。但是根据要求,我们可以提供不同类型的光纤或接口。这些器件专用于光通信应用,以及显微镜、激光雷达、遥感、Q 开关、印刷或任何其他科学应用,如原子钟。 型号参数工业用紧凑型光纤 AOMCompact ModelWavelength(nm)*Fiber TypeConfiguration**Frequency Shift (MHz)***Rise Time (ns)Max Laser Power (W)Insertion Losses (nom dB)Associated RF driverMT200-IR10-Fio-PM-J1-A-Ic1030-1064PM2 Ports2001012.5MODAxxMT250-IR6-Fio-PM0,5-J1-A-Ic1030-1064PM2 Ports25060.53.5MODAxxMA40-IIR55-Fio-SM-J1-A-Ic21500-1600SM2 Ports40550.12MODAxxMT80-IIR30-Fio-PM0.5-J1-A-Ic21500-1600PM2 Ports80300.52MODAxx 可见光范围 (400-700 nm)ModelWavelength(nm)*Fiber TypeConfiguration**Frequency Shift (MHz)***Rise Time (ns)Max Laser Power (W)Insertion Losses (dB)Associated RF driverMT180-G430-Fio-MM-xx488-532MM2 ports1804300.53MODAxxMQ180-G9-Fio-xx488-532PM2 ports18090.13MODAxxMT80-G60-Fio-xx488-532SM, PM2 ports80600.13MODAxxMT200-BG9-Fio-xx488-561SM, PM2 ports20090.0053MODAxxMT200-BG18-Fio-xx488-561SM, PM2 ports200180.022MODAxxMT200-BG40-Fio-xx488-561SM, PM2 ports200400.12MODAxxMT200-R9-Fio-xx630-700SM, PM2 ports20090.13MODAxxMT200-R18-Fio-xx630-700SM, PM2 ports200180.42MODAxx 近红外范围 (780-870 nm)ModelWavelength(nm)*Fiber TypeConfiguration**Frequency Shift (MHz)***Rise Time (ns)Max Laser Power (W)Insertion Losses (dB)Associated RF driverMT80-NIR60-Fio-xx780-870SM, PM2 ports80600.5 or 22MODAxxMT110-NIR20-Fio-xx780-870SM, PM2 ports110200.5 or 12.5MODAxxMT200-NIR10-Fio-xx780-870SM, PM2 ports200100.53MODAxxMT250-NIR6-Fio-xx780-870SM, PM2 ports25060.24MODAxx 红外范围 (980-1100 nm)ModelWavelength(nm)*Fiber TypeConfiguration**Frequency Shift (MHz)***Rise Time (ns)Max Laser Power (W)Insertion Losses (dB)Associated RF driverMT80-IR60-Fio-xx980-1100SM, PM2 ports80600.5 or 5W1.5MODAxxMT110-IR20-Fio-xx980-1100SM, PM2 ports110200.5 or 5W2MODAxxMT200-IR10-Fio-xx980-1100SM, PM2 ports200100.5 or 1W2.5MODAxxMT250-IR6-Fio-xx980-1100SM, PM2 ports25060.53.5MODAxxMT110-IR25-Fio-HP980-1100SM, PM2 ports + 0 order absorber110255 to 82.5MODAxxMT110-IR25-3Fio-xx980-1100SM, PM3 ports110250.5, 52.5MODAxx IIR 范围 (1250-1650 nm)ModelWavelength(nm)*Fiber TypeConfiguration**Frequency Shift (MHz)***Rise Time (ns)Max Laser Power (W)Insertion Losses (dB)Associated RF driverMA40-IIR-120-Fio-xx1250-1650SM, PM2 ports401200.52MODAxxMT40-IIR80-Fio-xx1250-1650SM, PM2 ports40800.5 or 52MODAxxMT80-IIR30-Fio-xx1250-1650SM, PM2 ports80300.5 or 52MODAxxMT110-IIR20-Fio-xx1250-1650SM, PM2 ports110200.5 or 53.5MODAxxMT160-IIR10-Fio-xx1250-1650SM, PM2 ports160100.5 or 15MODAxxMT200-IIR30-Fio-xx1250-1650SM, PM2 ports200300.5 or 55MODAxxMT110-IIR25-3Fio-xx1250-1650SM, PM3 ports110250.5, 53MODAxx FIR 范围 (1850-2100 nm)ModelWavelength(nm)*Fiber TypeConfiguration**Frequency Shift (MHz)***Rise Time (ns)Max Laser Power (W)Insertion Losses (dB)Associated RF driverMT80-FIR40-Fio-xx1850-2100SM, PM2 ports80400.5 or 54MODAxx* 所有光纤尾纤设备在出厂时都针对单一波长进行了优化** 2 个端口:输入 - 尾纤 + 一阶输出尾纤,3 个端口:输入 + 0 阶 + 一阶尾纤,根据要求:输入 - 尾纤 + 0 阶输出尾纤*** 可应要求提供降档光纤激光器光纤激光器或光纤激光器是一种激光器,其中有源增益介质是掺有铒、镱、钕、镝、镨和铥等稀土元素的光纤。光纤非线性,例如受激拉曼散射或四波混频也可以提供增益,因此实际上用作增益介质。与大多数其他类型的激光器不同,光纤激光器中的激光腔是通过熔接不同类型的光纤而整体构建的;最值得注意的是光纤布拉格光栅在这里取代了传统的介质镜以提供光学反馈。 为了泵浦光纤激光器,几乎只使用半导体激光二极管或其他光纤激光器。光纤激光器可以有几公里长的有源区并提供非常高的光学增益。它们可以支持千瓦级的连续输出功率,因为纤维的高表面积与体积比可以实现高效冷却。光纤波导特性减少或完全消除光路的热畸变,从而产生通常衍射受限的高质量光束。与同等功率的棒状或气体激光器相比,光纤激光器还具有紧凑的布局,因为光纤可以弯曲成小直径并盘绕。其他优势包括高振动稳定性、延长使用寿命和免维护交钥匙操作。许多高功率光纤激光器都基于双包层光纤。增益介质构成光纤的纤芯,纤芯被两层包层包围。激光模式在纤芯中传播,而多模泵浦光束在内包层中传播。外包层限制了这种泵浦光。这种布置允许纤芯用比其他方式在其中传播的功率光束高得多的能量泵浦,并允许将亮度相对较低的泵浦光转换为亮度高得多的信号。因此,光纤激光器和放大器有时被称为作为“亮度转换器”。 应用包括:材料加工、电信、光谱学和医学。
留言咨询