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MEMS Variable Optical Attenuator
【Features】
Broad band;
High reliability;
Low insertion loss;
Low Power Consumption;
High Input Power.
【Applications】
Optical power control, equalization and regulate;
Receiver protection;
Instrumentation;
Channel on/off switching.
【Performance Specifications】
Parameter Unit Specification Note
Wavelength Range nm
1530 - 1570 C band
1570 - 1610 L band
Attenuation Type Bright or Dark
Attenuation Range dB ≥30
Blocking State Attenuation dB ≥40 Dark type
Insertion Loss dB ≤0.7 (0.5 Typical) Excluding Connectors
Attenuation Resolution Continuous
Wavelength Dependent Loss dB
≤0.3 @<0dB Att.
≤1.5 @<20dB Att.
Ripple dB ≤0.05 Within 0.4nm window @20dB
Polarization Dependent Loss dB
≤0.1 @<0dB Att.
≤0.3 @<20dB Att.
Temperature Dependent Loss dB
≤0.2 @<0dB Att. compare with RT
≤1.0 @<20dB Att. compare with RT
Return Loss dB ≥55
PMD ps ≤0.1
Response Time ms ≤2 (1 Typical) 10-90% Optical Power
Optical Power Handling mW 300
Driving Voltage VDC 5．2V or 15V @5.2 Att ，20 dB
Power Consumption mW ≤2
Operating Temperature ºC 0 to 70
Storage Temperature Range ºC -40 to 85