MEMS Variable Optical Attenuator(EVOA)
Features
Broad band
High reliability
Low ion loss
Low Power Consumption
High Input Power
Applications
Optical power control, equalization and regulate
Receiver protection
Instrumentation
Channel on/off switching
Specifications
|
Parameter |
Unit |
Specification |
Note |
|
Wavelength Range |
nm |
1530 - 1570 |
C band |
|
1570 - 1610 |
L band |
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|
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. |
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|
Ripple |
dB |
≤0.05 |
Within 0.4nm window @20dB |
|
Polarization Dependent Loss |
dB |
≤0.1 |
@<0dB Att. |
|
≤0.3 |
@<20dB Att. |
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|
Temperature Dependent Loss |
dB |
≤0.2 |
@<0dB Att. compare with RT |
|
≤1.0 |
@<20dB Att. compare with RT |
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|
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 |
|
Ordering Information
|
EVOA – A — B — C — D — E — F — G |
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|
A |
Wavelength |
1310nm, 1550nm, 1625nm, etc |
|
B |
Drive Voltage |
5.2V, 15v , etc |
|
C |
Attenuator Range |
15,20,30 , etc |
|
D |
Tube Type |
BF=Bare fiber,0.9=0.9mm Tight Buffer/Tubing, etc |
|
E |
Fiber Type |
SMF-28e, Customer Request |
|
F |
Fiber length |
005=0.5m; 010=1.0m 100=10m etc |
|
G |
Connector Type |
N=None, FC/APC, SC/APC, LCAPC, MU/PC, ST/PC, D4, etc |
|
For example：EVOA -1550—5.2V-15dB-0.9-SMF-010-FC/APC |
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