激光模式選擇器（空間分復用器SDM）
產品特點 * 6或10模式多路復用器 * c波段操作(1550 nm)， * 低插入損耗和高模式選擇性 * 超緊湊的設計
| 標準型主要參數 | ||||
|
| 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 | |||
可定制產品 * 多達45種模式 * 更大的操作帶寬 * 低插損，高選擇性 
定制型參數 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
應用案例：
1）、光纖通信
PROTEUS多路復用器為光纖光通信SDM而設計的。PROTEUS目前擁有45種模式，具有低插入損耗和高選擇性，是各種工業和實驗室研究小組的關鍵組成部分，并帶來突破性的成果，包括KDDI的傳輸能力。
2）、自由空間通信
在自由空間通信中，空間多樣性被用來增加容量和減少大氣湍流。我們的空間多路復用器可以用自由空間輸出專門制造。它已經結合了光學系統通信，如無人駕駛飛機或低軌道到地球。
3）、軌道角動量
軌道角動量(OAM)是光學通信和量子光學中一個新興的課題。PROTEUS multiplexer可以產生高階和高階的OAM。其結構與光纖或自由空間輸出兼容。
