产品名称:EOT法拉第光旋转器和光隔离器
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产品简介:
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总部在美国的EOT(Electro-Optics Technology)公司成立于1987年,专注于生产和开发高平均功率及高峰值功率法拉第旋转器,隔离器以及高速光电探头,为知名的光纤激光器厂商批量提供产品,并具有为特殊要求定制产品的开发生产能力。法拉第光旋转器/光隔离器广泛应用于各种对于返回光极敏感的光学系统中,如多级激光放大器,光参量振荡器,环形激光器,掺饵光纤放大器(用于隔离980nm泵浦光的反馈),种子注入型激光器,非线性光学,光传输系统等。 产品包括:法拉第旋转器和隔离器,高速光电探测器。
EOT 法拉第旋转器,在保持光束线性偏振的前提下,将光在前进的方向上的偏振态旋转45°,可以在反向传输方向上实现45°非互易的旋转。当交叉偏振放置旋转器时,法拉第旋转器将会变成一个法拉第隔离器。法拉第隔离器抵消激光的不稳定性,防止激光回波或者自发辐射放大产生的高脉冲光损坏光学器件。
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主要特点:
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主要应用:
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1.激光放大器内产生的自发辐射在激光振荡器内的去耦合
2.锁模激光器内消除由于激光反馈造成的弛豫振荡
3.消除激光种子源的频率不稳定
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1.被动元器件,无需调节
2.所有隔离器都有漏光端口,回光90°出射
3.所有隔离器都可加选λ/2波片
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主要参数:
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自由空间1010-1045nm高功率光旋转器和隔离器
Description
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Rotator
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Isolator
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Transmission at 22°C (%)
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>98
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>92
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Isolation at 22°C (dB)
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N/A
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>30
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Rotation at Specified Wavelength
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45° +/- 2°
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45° +/- 2°
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Pulsed Damage Threshold
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10J/cm2 at 10ns
1J/cm2 at 8ps
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10J/cm2 at 10ns
1J/cm2 at 8ps
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自由空间1045-1080nm高功率光旋转器和隔离器
Description
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Rotator
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Isolator
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Transmission at 22°C (%)
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>98
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>92
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Isolation at 22°C (dB)
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N/A
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>30
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Rotation at Specified Wavelength
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45° +/- 2°
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45° +/- 2°
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Pulsed Damage Threshold
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10J/cm2 at 10ns
1J/cm2 at 8ps
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10J/cm2 at 10ns
1J/cm2 at 8ps
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自由空间2.05um高功率光旋转器和隔离器
Description
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Rotator
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Isolator
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Transmission at 22°C (%)
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>92
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>88
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Isolation at 22°C (dB)
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N/A
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>30
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Rotation at Specified Wavelength
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45° +/- 2°
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45° +/- 2°
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Pulsed Damage Threshold
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5uJ/cm2 at 10ns
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5uJ/cm2 at 10ns
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Power Handling (W)
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30
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30
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自由空间4.55um高功率光旋转器和隔离器
Description
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Rotator
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Isolator
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Transmission at 22°C (%)
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>70
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>65
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Isolation at 22°C (dB)
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N/A
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>30
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Rotation at Specified Wavelength
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45° +/- 2°
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45° +/- 2°
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Power Handling (W)
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2.5
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2.5
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自由空间宽光谱(Ti:Sapphire)高功率光旋转器和隔离器
Description
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Rotator
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Isolator
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Center Wavelength (nm)
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800
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800
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Spectral Range (nm)
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720-950
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720-950
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Polarizer Type
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N/A
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PBS Cube
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Pulsed Damage Threshold
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5J/cm2 at 10ns
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1J/cm2 at 10ns
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500-1030nm波长可调法拉第光旋转器和隔离器
Clear Aperture (mm)
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Center Wavelength (nm)
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Spectral Range (nm)
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Isolation at 22°C (dB)
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Transmission at 22°C (%)
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Polarizer Type
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Damage Threshold
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4
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650
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630-700
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>30
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>72.5
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Dichroic Glass
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25W/cm2 CW
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4
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780
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740-860
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>30
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>82
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Dichroic Glass
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25W/cm2 CW
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4
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850
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840-960
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>30
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>88
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Dichroic Glass
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25W/cm2 CW
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4
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980
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960-1030
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>30
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>90
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Dichroic Glass
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25W/cm2 CW
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4
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532
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500-600
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>27
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>88
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Cemented PBS Cube
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1J/cm2 at 10ns
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4
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650
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600-680
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>27
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>88
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Cemented PBS Cube
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1J/cm2 at 10ns
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4
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780
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730-830
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>27
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>88
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Cemented PBS Cube
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1J/cm2 at 10ns
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4
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850
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800-880
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>27
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>88
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Cemented PBS Cube
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1J/cm2 at 10ns
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4
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980
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950-1010
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>27
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>88
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Cemented PBS Cube
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1J/cm2 at 10ns
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自由空间1050-1080nm低功率光旋转器和隔离器
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Rotator
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Isolator
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Polarizer
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N/A
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Polarcor
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PBS Cube
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Clear Aperture (mm)
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1.5
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1.5
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1.5
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Transmission at 22°C (%)
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≥78
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≥75
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≥75
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Isolation at 22°C (dB)
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N/A
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≥30
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≥30
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Damage Threshold
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500mW CW
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1MW/cm2 at 10ns
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Yb:光纤激光自由空间光隔离器
Clear Aperture (mm)
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0.7
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1.4
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Operating Wavelength (nm)
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1054-1074
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1060-1080
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Pulsed Damage Threshold
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<5J/cm2 at 10ns
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<5J/cm2 at 10ns
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Beam Displacement (mm)
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1
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1.8
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Pointing Accuracy
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≤0.5°
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≤0.5°
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Average Power (W)
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30
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80
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Beam Diameter (mm)
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≤0.35
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≤0.7
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Operating Temperature (°C)
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10-50
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10-50
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Storage Temperature (°C)
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0-60
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0-60
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Isolation at 23°C, 1064nm (dB)
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>27
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>27
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Isolation over operating wavelength and temperature (dB)
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>20
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>20
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Transmission (%)
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>90
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>90
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Storage Humidity, non-condensing (%)
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0-90
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0-90
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Input Acceptance Angle
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<1.0°
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<1.0°
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