光通讯(光通信)滤光片 (双向 三向 收发模块滤光片)
(以下规格皆为范例,亿达薄膜可以客制化您的需求)
(请参考 玻璃基板, 厚度, 外型尺寸章节)
光通讯(光通信)双向收发 边境滤光片 Edge Filter
应用:
选用不同光波段的雷射讯号,边境滤光片(edge filters) 能够通过特定波长的雷射讯号,而反射不需要的波段。本型的滤光片用在光通讯(光通信)的双向收发器模块中。
0° Bidi Module Edge Filters dB Graph

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0° Bidi Module Edge Filters Transmittance Graph

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0° Bidi Moudle Edge Filter |
Parameter |
Unit |
1310-SPF |
1550-SPF |
Specification |
Value |
Specification |
Value |
| Pass Band |
nm |
1310 ± 60 |
OK |
1550 ± 60 |
OK |
| Stop Band |
nm |
1550 ± 60 |
OK |
1310 ± 60 |
OK |
| Angle of Incidence |
° |
0 |
± 0.1 |
0 |
± 0.1 |
| Ripple within PassBand |
dB |
< 0.22 |
0.019 |
< 0.22 |
0.014 |
| Isolation within StopBand |
dB |
> 30 |
41.946 |
> 30 |
43.966 |
| Maximum Insortion Loss within PassBand |
dB |
< 0.3 |
0.047 |
< 0.3 |
0.022 |
| Operating Temperature (℃) |
℃ |
-40 ~ +85 |
OK |
-40 ~ +85 |
OK |
45° Bidi Module Edge Filters dB Graph

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45° Bidi Module Edge Filters Transmittance Graph

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45° Bidi Moudle Edge Filter |
Parameter |
Unit |
1310-SPF |
1550-SPF |
Specification |
Value |
Specification |
Value |
| Pass Band |
nm |
1310 ± 60 |
OK |
1550 ± 60 |
OK |
| Stop Band |
nm |
1550 ± 60 |
OK |
1310 ± 60 |
OK |
| Angle of Incidence |
° |
45 |
45 ± 0.3 |
45 |
45 ± 0.3 |
| Ripple within PassBand |
dB |
< 0.22 |
0.023 |
< 0.22 |
0.109 |
| Isolation within StopBand |
dB |
> 30 |
40.7 |
> 30 |
39.92 |
| Maximum Insortion Loss within PassBand |
dB |
< 0.3 |
0.056 |
< 0.3 |
0.150 |
| Operating Temperature (℃) |
℃ |
-40 ~ +85 |
OK |
-40 ~ +85 |
OK |
0° Bidi Module 1490 Band Pass
Edge Filters dB Graph

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0° Bidi Module 1490 Band Pass
Edge Filters Transmittance Graph

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0° Band Pass 1490nm Edge Filter |
Parameter |
Unit |
1490 Band Pass |
Specification |
Value |
| Pass Band |
nm |
|
OK |
| Stop Band |
nm |
|
OK |
| Angle of Incidence |
° |
0 |
0 ± 0.1 |
| Ripple within PassBand |
dB |
< 0.22 |
0.033 |
| Isolation within StopBand |
dB |
> 40 |
43.822 |
| Maximum Insortion Loss within PassBand |
dB |
< 0.3 |
0.146 |
| Operating Temperature (℃) |
℃ |
-40 ~ +85 |
OK |
光通讯(光通信)三向收发器 边境滤光片 Edge Filter
应用:
选用不同光波段的雷射讯号,边境滤光片(edge filters) 能够通过特定波长的雷射讯号,而反射不需要的波段。本型的滤光片用在光通讯(光通信)的三向收发器模块中。
0° Triplex Module Edge Filters dB Graph
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0° Triplex Module Edge Filters Transmittance Graph
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0° Triplex Moudle Edge Filter |
Parameter |
Unit |
RRT |
RTR |
Specification |
Value |
Specification |
Value |
| Pass Band |
nm |
1545 ~ 1580 < 0.22 dB |
OK |
1260 ~ 1500 < 0.22 dB |
OK |
| Stop Band |
nm |
1260 ~ 1510 >40 dB |
OK |
1545 ~ 1560 > 30dB
|
OK |
| Angle of Incidence |
° |
45 |
45 ± 0.3 |
45 |
45 ± 0.3 |
| Ripple within PassBand |
dB |
. |
0.028 |
. |
0.078 |
| Isolation within StopBand |
dB |
. |
43.311 |
. |
33.107 |
| Maximum Insortion Loss within PassBand |
dB |
. |
0.045 |
. |
0.139 |
| Operating Temperature (℃) |
℃ |
-40 ~ +85 |
OK |
-40 ~ +85 |
OK |
45° Triplex Module Edge Filters dB Graph

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45° Triplex Module Edge Filters Transmittance Graph

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45° Triplex Moudle Edge Filter |
Parameter |
Unit |
45-TRR |
45-TTR |
Specification |
Value |
Specification |
Value |
| Pass Band |
nm |
1260 ~ 1360 < 0.22 dB |
OK |
1260 ~ 1500 < 0.22 dB |
OK |
| Stop Band |
nm |
1480 ~ 1620 >30 dB |
OK |
1545 ~ 1560 > 30 dB |
OK |
| Angle of Incidence |
° |
45 |
45 ± 0.3 |
45 |
45 ± 0.3 |
| Ripple within PassBand |
dB |
.. |
0.054 |
. |
0.109 |
| Isolation within StopBand |
dB |
. |
34.828 |
. |
39.92 |
| Maximum Insortion Loss within PassBand |
dB |
. |
0.12 |
. |
0.150 |
| Operating Temperature (℃) |
℃ |
-40 ~ +85 |
OK |
-40 ~ +85 |
OK |
CWDM : 粗式波长分割多任务转换器Coarse wavelength division multiplexing
应用:
一般所谓的粗式波长分割多任务转换,主要是指单一光纤有两个或以上的多任务信道的系统.2002年,国际电信联盟将CWDM通道空间加以标准化(ITU-T G.694.2), 将1270nm-1610nm的波段每20nm分成一个通道.但通常我们会使用1470nm以上通道.1470nm以下的衰减值稍大,通讯质量不易控制.因为CWDM技术难度相对较DWDM低,成本的控制与长期客户的维持便相对重要.相对于DWDM, CWDM数据传输量较小,其两端收发仪器的成本也较低.
CWDM也被用在电视讯号传输网络上,因为它的上传下传讯号也使用不同的波段.在这样的系统下传讯号在1310nm上传讯号在1550nm.
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偶数频道Even Channel |
奇数频道Odd Channel |
中心波长 (Central Wavelength) |
1470, 1490, 1510, 1530,
1550, 1570, 1590, 1610 |
1471, 1491, 1511, 1531,
1551, 1571, 1591, 1611 |
技术参数 |
测试值 |
0.3dB BandWidth |
15nm |
30dB BandWidth |
25nm |
Pass Band Ripple |
0.2dB |
Peak Insertion Loss within Pass Band |
0.1dB |
Polarization Dependent Loss (PDL) |
0.05 dB |
Reflect Channel Isolation |
14 dB |
Temperature Coefficient |
2 pm/℃ |
Operating Temperature Range |
-5 ~ 70 ℃ |
Storage Temperature Range |
-40 ~ 85 ℃ |
DWDM : 稠密波长分割多任务转换器Dense wavelength division multiplexing
应用:
稠密波长分割多任务转换器主要是配合着掺铒光纤放大器对1550nm波段,做大量的(信道)频道切割,达到多信道的频宽要求.可以有效的降低成本.一般又分成100G系统和200G系统.
100G DWDM System
技术参数 |
测试值 |
0.3dB BandWidth |
0.45nm |
25dB BandWidth |
1.2nm |
Pass Band Ripple |
0.3dB |
Peak Insertion Loss within Pass Band |
0.4dB |
Polarization Dependent Loss (PDL) |
0.05 dB |
Reflect Channel Isolation |
13 dB |
Temperature Coefficient |
1 pm/℃ |
Operating Temperature Range |
-5 ~ 70 ℃ |
Storage Temperature Range |
-40 ~ 85 ℃ |
200G DWDM System
技術參數 |
測試值 |
0.3dB BandWidth |
0.8nm |
25dB BandWidth |
2.2nm |
Pass Band Ripple |
0.3dB |
Peak Insertion Loss within Pass Band |
0.2dB |
Polarization Dependent Loss (PDL) |
0.05 dB |
Reflect Channel Isolation |
13 dB |
Temperature Coefficient |
1.4 pm/℃ |
Operating Temperature Range |
-5 ~ 70 ℃ |
Storage Temperature Range |
-40 ~ 85 ℃ |
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