激光模式选择器（空间分复用器SDM）
产品特点 * 6或10模式多路复用器 * c波段操作(1550 nm)， * 低插入损耗和高模式选择性 * 超紧凑的设计
| 标准型主要参数 | ||||
|
| PROTEUS-S-6 | PROTEUS-S-10 | ||
| PARAMETER | VALUE (AT 20°C) | TYPICAL | VALUE (AT 20°C) | TYPICAL |
| Number of modes | 6 | 10 | ||
| Wavelength of operation | C-bａnd (optimized for 1550 nm) | |||
| Back-to-back insertion loss | < 7 dB | 5 dB | < 10 dB | 8 dB |
| Back-to-back cross-talk | < -15 dB | -20 dB | < -12 dB | -18 dB |
| Signal input fiber type | SMF-28e+ array with LC/PC connectors | |||
| Signal output fiber type | 4 LP mode step-index fiber by Prysmian or graded-index by OFS, or 50/125 μm multimode fiber | 6 LP mode graded-index fiber by Prysmian or 50/125 μμm multimode fiber | ||
| Package size (mm) | 120 x 98 x 38 | |||
可定制产品 * 多达45种模式 * 更大的操作带宽 * 低插损，高选择性 
定制型参数 PROTEUS-C PARAMETER VALUE (AT 20°C) COMMENTS Number of modes Up to 45 modes Operating wavelength C-band, L-bａnd or O-band Other wavelengths available Back-to-back insertion loss Between < 5 dB and < 14 dB Depending on mode number Back-to-back cross-talk Between < -12 dB and < -20dB Depending on mode number Signal input fiber type SMF-28e+ array or FMF or MMF Custom fiber or input available Signal output Standard or custom FMF, MMF or free space Custom fiber and free space output available Package size (mm) 120 x 98 x 38
Output fiber information Example of output fibers 4 LP mode step-index fiber by Prysmian 6 LP mode graded-index fiber by Prysmian 9 LP mode graded-index fiber by Prysmian 2 LP mode graded-index fiber by OFS 4 LP mode graded-index fiber by OFS 2 LP mode step-index fiber by OFS 4 LP mode step-index fiber by OFS OM1 : 62.5 um conventional multi-mode fiber OM2/3/4 : 50 um conventional multi-mode fiber OAM modes in free-space Other type of fibers Please contact us with detailed requirements
应用案例：
1）、光纤通信
PROTEUS多路复用器为光纤光通信SDM而设计的。PROTEUS目前拥有45种模式，具有低插入损耗和高选择性，是各种工业和实验室研究小组的关键组成部分，并带来突破性的成果，包括KDDI的传输能力。
2）、自由空间通信
在自由空间通信中，空间多样性被用来增加容量和减少大气湍流。我们的空间多路复用器可以用自由空间输出专门制造。它已经结合了光学系统通信，如无人驾驶飞机或低轨道到地球。
3）、轨道角动量
轨道角动量(OAM)是光学通信和量子光学中一个新兴的课题。PROTEUS multiplexer可以产生高阶和高阶的OAM。其结构与光纤或自由空间输出兼容。
