 |
参考报价：电议 型号：
产地：俄罗斯 在线咨询
|
法拉第光隔离器
特点：
峰值隔离度>38 dB；>60 dB
透过率（1064 nm，800 nm）>90 %
宽带隔离器
可调谐隔离器
应用：
消除光反馈
放大器设计
法拉第隔离器（FI）是单向光学器件，一个方向上透过线偏光，阻挡反向光。通常由一个法拉第旋转器和两个偏振器组成。法拉第旋转器是磁光有源材料，放置在永磁体（Nd-Fe-B）中。提供二种磁光有源材料，掺铽玻璃，铽镓石榴石（TGG）晶体。
法拉第隔离器通过衰减反射光和背向散射光几个数量级（104至106）来保护激光器。也可以用于对光反馈极其敏感的仪器，光反馈可能会引起强度不稳定，频率牵引以及其它不稳定效应。
提供以下型号：
高透过率单级隔离器，隔离度38-44 dB，波长400-1250 nm（固定），带宽，30 nm，通光孔径2-15 mm。透过率>90 %。
宽带隔离器，隔离度>38 dB。中心波长-800 nm（可提供其它波长）。带宽-120 nm （>30dB）。通光孔径2-12 mm。提供高透和侧面逸出版本。
可调谐隔离器。峰值隔离度38-42 dB。中心波长-780 nm。调谐范围710至880 nm。可提供其它波长。操作简单方便。
带有侧面逸出（SE）的单级隔离器。隔离度38-44 dB，波长400至1250 nm（固定），宽-30 nm。通光孔径2-12 mm。
双级隔离器。隔离度>60 dB。波长600-1150 nm（固定）。带宽-30 nm。通光孔径2-12 mm。
Central wavelength， nm | Clear aperture， mm1) | Part number | Rod material | Peak Isolation， dB2) | Bandwidth(at >30 dB)， nm | Tpeak， % | LxWxH (beam height)， mm |
1250 nm | 5 mm | 5AFR-1250C | TGG | 38 dB | ±5 nm | 98% | 65x71x77 (42) |
5AFI-1250C | 90% | 90x71x77 (42) | |||||
1030...1070 nm，fixed | 2 mm | 2AFR-1064C | TGG | 38 dB | ±10 nm | 98% | 50x38x46 (26) |
2AFI-1064C | 90% | 78x38x46 (26) | |||||
4 mm | 4AFR-1064C | 38 dB | ±10 nm | 98% | 52x45x51 (28.5) | ||
4AFI-1064C | 90% | 85x45x51 (28.5) | |||||
6 mm | 6AFR-1064C | 38 dB | ±10 nm | 98% | 55x48x54 (30) | ||
6AFI-1064C | 90% | 92x48x54 (30) | |||||
8 mm | 8AFR-1064C | 38 dB | ±10 nm | 98% | 62x59x65 (35.5) | ||
8AFI-1064C | 90% | 100x59x65 (35.5) | |||||
10 mm | 10AFR-1064C | 38 dB | ±10 nm | 98% | 65x66x72 (39) | ||
10AFI-1064C | 90% | 110x66x72 (39) | |||||
12 mm | 12AFR-1064C | 38 dB | ±10 nm | 98% | 69x71x77 (41.5) | ||
12AFI-1064C | 90% | 120x71x77 (41.5) | |||||
1030 nm， broadband | 2 to 12 mm | (2-12)AFRB-1030C | TGG | 35 dB | 980-1070 nm | 98% | W， H same as fixed， L+8 mm |
(2-12)AFIB-1030C | 88% | ||||||
700...900 nm，fixed | 2 mm | 2AFR-800C， G | TGG (C) or Glass (G) | 38 dB | ±10 nm | 98% | 50x38x46 (26) |
2AFI-800C， G | 90% | 78x38x46 (26) | |||||
4 mm | 4AFR-800C， G | 38 dB | ±10 nm | 98% | 52x45x51 (28.5) | ||
4AFI-800C， G | 90% | 85x45x51 (28.5) | |||||
5 mm | 5AFR-800C， G | 38 dB | ±10 nm | 98% | 52x48x54 (30) | ||
5AFI-800C， G | 90% | 88x48x54 (30) | |||||
8 mm | 8AFR-800C， G | 38 dB | ±10 nm | 98% | 62x59x65 (35.5) | ||
8AFI-800C， G | 90% | 100x59x65 (35.5) | |||||
10 mm | 10AFR-800C， G | 38 dB | ±10 nm | 98% | 65x66x72 (39) | ||
10AFI-800C， G | 90% | 110x66x72 (39) | |||||
12 mm | 12AFR-800C， G | 38 dB | ±10 nm | 98% | 69x71x77 (41.5) | ||
12AFI-800C， G | 90% | 120x71x77 (41.5) | |||||
15 mm | 15AFR-800C， G | 38 dB | ±10 nm | 98% | 71x81x84 (46) | ||
15AFI-800C， G | 90% | 140x81x84 (46) | |||||
700-880 nm， broadband | 4 to 12 mm | (4-12)AFRB-800C， G | TGG (C) or Glass (G) | 35 dB | ±60 nm | 98% | W， H same as fixed， L+6 mm |
(4-12)AFIB-800C， G | 88% | ||||||
710-880 nm，tunable | 4 to 12 mm | (4-12)AFIТ-800C， G | TGG (C) or Glass (G) | 38 dB | ±10 nm (tunable) | 88% | W， H same as fixed， L+50 mm |
633 nm | 4 mm | 4AFR-633С | TGG | 38 dB | ±10 | 98% | 52x45x51 (28.5) |
4AFI-633С | 85% | 85x45x51 (28.5) | |||||
5 mm | 5AFR-633G | Glass | 38 dB | ±10 | 98% | 52x48x54 (30) | |
5AFI-633G | 85% | 90x48x54 (30) | |||||
532 nm | 2 mm | 2AFR-532С | TGG | 38 dB | ±10 | 97% | 30x38x46 (26) |
2AFI-532С | 85% | 75x38x46 (26) | |||||
5 mm | 5AFR-532С | 38 dB | ±10 | 97% | 30x48x54 (30) | ||
5AFI-532С | 85% | 90x48x54 (30) | |||||
8 mm | 8AFR-532С | 38 dB | ±10 | 97% | 42x59x65 (35.5) | ||
8AFI-532С | 85% | 100x59x65 (35.5) | |||||
10 mm | 10AFR-532С | 38 dB | ±10 | 97% | 45x66x72 (39) | ||
10AFI-532С | 85% | 110x66x72 (39) | |||||
400 nm | 4 mm | 4AFR-400С | TGG | 38 dB | ±5 | 85% | 30x45x51 (28.5) |
4AFI-400С | 75% | 60x45x51 (28.5) | |||||
6 mm | 6AFR-400С | 38 dB | ±5 | 85% | 30x48x54 (30) | ||
6AFI-400С | 75% | 70x48x54 (30) | |||||
Polarization-independent isolators: | |||||||
1064 nm | 1.53) mm | PI35C4) | TGG | 35 dB | ±5 | 90% | 120x48x52 (28) |
1064 nm | 1.53) mm | PI35C35) | TGG | 35 dB | ±5 | 90% | 80x32x32 |
1) typical apertures， other apertures are available upon request;2) >60 dB double-stage optical isolators are available upon request;3) input beam diameter at 1/e^2;4) the PI35CF model with fiber-input is available;5) small package. | |||||||
