Avesta法拉第隔离器/旋转?/strong>
法拉第隔离器是一种单向通行的光学器件，线性偏振光只能单向通过。通常有一个法拉第旋转器和2个偏振器组成。法拉第隔离器由置于永磁体内的磁光活性材料组戏/span>(Nd-Fe-B)。可用磁光活性材料通常有两种：铽掺杂玻璃，铽镓石榴石（TGG）晶体、/span>
法拉第隔离器以几个数量级＇/span>10^6）的能力衰减反射光和背散射光来保护激光光源。另外一些可用于某些对反射光非常敏感的设备，这些反射光会导致结果的不稳定。频率牵引等不良影响、/span>
产品特点
? 峰值隔离度９/span>>38dB＋60dB
? 透过率：>90%
? 宽光谱隔禺/span>
? 可调谐隔禺/span>
应用９/span>
? 消除回光
? 放大?/span>
Avesta提供的隔离器主要分为以下几类９/span>
1.高透过率单级隔离器９/span>
隔离?8-44dB，波长范?00-1250nm（波长固定），通光孔径2-15mm，透射玆90%、/span>
2.宽带隔离器：
隔离?8dB，中心波?00nm（其他波长可定制），带宽120nm＇30dB），通光孔径2-12mm，高透过率和侧面出光口模式也存在、/span>
3.可调谐隔离器９/span>
峰值隔离度38-42dB，中心波?80nm，调谐范围从780nm?80nm，其他波长可定制，操作简单、/span>
4.侧出光口单级隔离?/span>９/span>
隔离?8-44dB，波?00?250nm（波长固定），带?0nm，通光孔径2-12mm、/span>
5.双级隔离器：
隔离?60dB 波长600-1150nm（波长固定），带?0nm，通光孔径2-12mm、/span>
法拉第隔离器设计示意国/p>
产品选型表：
中心波长＋/span>nm |
孔径mm1) |
型号 |
材质 |
隔离?/span>dB2) |
带宽nm＇/span>30dB（/span> |
透过率峰倻/span>% |
尺寸＋/span>mm |
1250 |
5 |
5AFR-1250C |
TGG |
38 |
+/-5 |
98 |
65*71*77(42) |
5AFI-1250C |
90 |
90*71*77(42) |
|||||
1030-1070 fixed |
2 |
2AFR-1064 |
TGG |
38 |
+/-10 |
98 |
50x38x46(26) |
2AFI-1064C |
90 |
78x38x46(26) |
|||||
4 |
4AFR-1064 |
98 |
52x45x51(28.5) |
||||
4AFI-1064C |
90 |
85x45x51(28.5) |
|||||
8 |
8AFR-1064 |
98 |
62x59x65(35.5) |
||||
8AFI-1064C |
90 |
100x59x65(35.5) |
|||||
10 |
10AFR-1064 |
98 |
65x66x72(39) |
||||
10AFI-1064C |
90 |
110x66x72(39) |
|||||
12 |
12AFR-1064 |
98 |
69x71x77(41.5) |
||||
12AFI-1064C |
90 |
120x71x77(41.5) |
|||||
1030宽带 |
2-12 |
AFRB-1030C |
TGG |
35 |
980-1070 |
98 |
W H same as fixed L+6mm |
AFIB-1030C |
88 |
||||||
700-900 fixed |
2 |
2AFR-800C，G |
TGG Glass |
38 |
+/-10 |
98 |
50x38x46 (26) |
2AFI-800C，G |
90 |
78x38x46 (26) |
|||||
4 |
4AFR-800C，G |
98 |
52x45x51 (28.5) |
||||
4AFI-800C，G |
90 |
85x45x51 (28.5) |
|||||
8 |
8AFR-800C，G |
98 |
62x59x65 (35.5) |
||||
8AFI-800C，G |
90 |
100x59x65 (35.5) |
|||||
10 |
10AFR-800C，G |
98 |
65x66x72 (39) |
||||
10AFI-800C，G |
90 |
110x66x72 (39) |
|||||
15 |
15AFR-800C，G |
98 |
71x81x84 (46) |
||||
15AFI-800C，G |
90 |
140x81x84 (46) |
|||||
700-88BB0 |
4-12 |
AFRB-800C G |
TGG Glass |
35 |
+/-60 |
98 |
same as fixed L+6mm |
AFIB-800C G |
88 |
||||||
710-880T |
4-12 |
AFI-800C G |
38 |
+/-10 |
88 |
same as fixed L+50mm |
|
633 |
4 |
4AFR-633C |
TGG |
38 |
+/-10 |
98 |
52x45x51 (28.5) |
4AFI-633C |
90 |
85x45x51 (28.5) |
|||||
5 |
5AFR-633G |
Glass |
38 |
+/-10 |
98 |
52x48x54 (30) |
|
5AFI-633G |
90 |
90x48x54 (30) |
|||||
532 |
2 |
2AFR-532C |
TGG |
38 |
+/-10 |
97 |
30x38x46 (26) |
2AFI-532C |
88 |
75x38x46 (26) |
|||||
5 |
5AFR-532C |
97 |
30x48x54 (30) |
||||
5AFI-532C |
88 |
90x48x54 (30) |
|||||
8 |
8AFR-532C |
97 |
42x59x65 (35.5) |
||||
8AFI-532C |
88 |
100x59x65 (35.5) |
|||||
10 |
10AFR-532C |
97 |
45x66x72 (39) |
||||
10AFI-532C |
88 |
110x66x72 (39) |
|||||
400 |
4 |
4AFR-400C |
TGG |
38 |
+/-5 |
85 |
30x45x51 (28.5) |
4AFI-400C |
75 |
60x45x51 (28.5) |
|||||
6 |
6AFR-400C |
85 |
30x48x54 (30) |
||||
6AFI-400C |
75 |
70x48x54 (30) |
|||||
偏振独立隔离?/span> |
|||||||
1064 |
1.53) |
PI35C4) |
TGG |
35 |
+/-5 |
90 |
120x48x52 (28) |
PI35C3 |
80x32x32 |
||||||
1)典型通光孔径其他尺寸可定刵/span> 2)大于60dB隔离度可定制 3)入射光直径在1/e^2; 4)PI35C存在光纤耦合输入版本 |
损伤阈值隔离器: 1J/cm^2@10 ns;旋转?/span>: 5J/cm^2@160 ns 光功率：TGG毓/span>Glass具有更高的损伤阈值，TGG>10W/cm^2 型号?/span>AFR为旋转器＋/span>AFI为隔离器＋/span>PI为偏振独立隔离器 旋转器的隔离度是指选择有合适的偏振器的情况上/span> |
||||||
