光学仪器-编程可调光滤波器 OTF-920
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可调光滤波器OTF-920采用了santec特有的“linear sliding”技术。内部设有两个光学“sliders”,每个“sliders”可以独立调节。如果一个slider上安装可调滤波器,另外一个slider上安装可调衰减器,可以同时控制信号波长及功率。
OTF-920通过GPIB及RS-232接口,可以实现远程控制及数据采集。
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性能特征
- 40nm 波长调谐范围
- 20 dB 功率衰减范围
- 低 PDL (<0.1 dB) & 低 PMD (<0.1 ps)
- 0.01 nm 分辨率
- 支持GPIB
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应用
- 放大信号ASE噪声抑制
- WDM信号通道选择
- Incoherent tunable light source combining with broadband light source
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滤波片选项 [ Detailed filter characteristic example ]
| Filter type |
03 |
04 |
06 |
| Number of cascaded filter |
S1 |
S2 |
S3 |
S1 |
S2 |
S3 |
S1 |
S2 |
S3 |
| Bandwidth @ -3dB (nm) (±0.1nm) |
0.4 |
0.3 |
0.25 |
0.5 |
0.35 |
0.3 |
0.7 |
0.5 |
0.4 |
| Bandwidth @ 20dB (nm) (Typ.) |
< 3.8 |
< 1.5 |
< 1.2 |
< 5.0 |
< 1.7 |
< 1.2 |
< 7.5 |
< 2.4 |
< 1.5 |
Insertion Loss (dB)
(Max, Typ.) |
<8.5 (8.0) |
<13.5 (9.0) |
<19.0 (14.0) |
<7.5 (4.5) |
<10.0 (7.5) |
<17.0 (8.0) |
<6.0 (4.5) |
<8.5 (5.5) |
<11.0 (6.5) |
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| Filter type |
08 |
12 |
24 |
| Number of cascaded filter |
S1 |
S2 |
S3 |
S1 |
S2 |
S3 |
S1 |
S2 |
S3 |
| Bandwidth @ -3dB (nm) (±0.1nm) |
0.95 |
0.65 |
0.50 |
1.3 |
0.9 |
0.7 |
2.9±0.3 |
1.95±0.3 |
1.5±0.3 |
| Bandwidth @ 20dB (nm) (Typ.) |
< 9.8 |
< 3.0 |
< 2.2 |
< 15.0 |
< 4.5 |
< 3.0 |
< 32.0 |
< 10.0 |
< 6.5 |
Insertion Loss (dB)
(Max, Typ.) |
<5.5 (4.0) |
<7.5 (5.0) |
<7.5 (5.0)
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<4.5 (3.6)
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<5.5 (4.5)
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<6.5 (5.0) |
<4.5 (3.8) |
<4.5 (3.8)
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<4.5 (3.8)
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