3X3或4X4一次拉锥光纤耦合器光林科技

                                                     单窗一次拉锥3X3光纤耦合器
                                     Single Window Standard Monolithic 3X3 Coupler
工作波长Operating Wavelength(nm)	1310 or 1550
等级Grade	P
带宽Bandwidth(nm) 	±20
耦合比Coupling Ratio (%)	33/33/33
较大插入损耗Max. Insertion Loss (dB)	5.8
中心一致性 Band Center Uniformity (dB)	≤ 0.6
波长敏感损耗 Wavelength Dependent Loss (dB)	±0.6
偏振敏感损耗Polarization Dependent Loss (dB)	≤ 0.10 
温度稳定性Thermal Stability (dB/℃)	  ≤ 0.002
方向性Directivity (dB)	≥ 55 
回波损耗Return Loss (dB)	≥ 55 
尾纤长度 Lead length (m)	   1 meter, others on request

单窗单级4X4一次拉锥耦合器
Single Window Standard Monolithic 4X4 Coupler

工作波长Operating Wavelength(nm)	1310	1550
等级Grade	P
带宽Bandwidth(nm) 	±20
耦合比Coupling Ratio (%)	25/25/25/25
较大插入损耗Max. Insertion Loss (dB)	8.0	7.8
中心一致性 Band Central Uniformity (dB)	≤ 0.8 
波长敏感损耗 Wavelength Dependent Loss (dB)	±1.2	±1.4
偏振敏感损耗Polarization Dependent Loss (dB)	≤ 0.10
温度稳定性Thermal Stability (dB/℃)	  ≤ 0.002
方向性Directivity (dB)	≥ 55 
回波损耗Return Loss (dB)	≥ 55 
尾纤长度 Lead length (m)	   1 meter, others on request

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