看了Avesta法拉第光隔離器的用戶又看了
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法拉第光隔離器
特點：
峰值隔離度>38 dB,；>60 dB
透過率（1064 nm，800 nm）>90 %
寬帶隔離器
可調(diào)諧隔離器
應(yīng)用：
消除光反饋
放大器設(shè)計
法拉第隔離器（FI）是單向光學器件,，一個方向上透過線偏光,，阻擋反向光。通常由一個法拉第旋轉(zhuǎn)器和兩個偏振器組成,。法拉第旋轉(zhuǎn)器是磁光有源材料,，放置在永磁體（Nd-Fe-B）中,。提供二種磁光有源材料，摻鋱玻璃,，鋱鎵石榴石（TGG）晶體,。
法拉第隔離器通過衰減反射光和背向散射光幾個數(shù)量級（104至106）來保護激光器。也可以用于對光反饋極其敏感的儀器,，光反饋可能會引起強度不穩(wěn)定,，頻率牽引以及其它不穩(wěn)定效應(yīng)。
提供以下型號：
高透過率單級隔離器,，隔離度38-44 dB,，波長400-1250 nm（固定），帶寬,，30 nm,，通光孔徑2-15 mm。透過率>90 %,。
寬帶隔離器,，隔離度>38 dB。中心波長-800 nm（可提供其它波長）,。帶寬-120 nm （>30dB）,。通光孔徑2-12 mm。提供高透和側(cè)面逸出版本,。
可調(diào)諧隔離器,。峰值隔離度38-42 dB。中心波長-780 nm,。調(diào)諧范圍710至880 nm,。可提供其它波長,。操作簡單方便,。
帶有側(cè)面逸出（SE）的單級隔離器。隔離度38-44 dB,，波長400至1250 nm（固定）,，寬-30 nm。通光孔徑2-12 mm,。
雙級隔離器,。隔離度>60 dB。波長600-1150 nm（固定）,。帶寬-30 nm,。通光孔徑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. | |||||||
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