VOAs are designed to control the optical power in a fiber optics network. Casix VOA family is based on micro-electro-mechanical system((MEMS) technology.Highlyrepeatable optical attenuation is achieved through an electrostatic rotatable MEMS mirror changing light coupling between input/output fiber(ESVOA), or a thermally-actuated MEMS shutter moving in/out of the optical path (Matt VOA).
Features
Low IL, WDL and PDL; large Attenuation Range
High Repeatability and Resolution
Compact Size and Rugged Construction
Available in Normally Closed or Normally Open States
Telcordia GR-1209, 1221Qualified
RoHS Compliant
Application
Power management in optical network, ROADM power balancing. dynamic gain control in DWDM/CWDM networks, power balance between optical amplifier stages.
Capabilities
ESVOAs
Parameter | Value | Unit |
Min | Typ | Max |
Operating Wavelength | 1525 |
| 1570 | nm |
Optical Insertion |
|
| 0.7 | dB |
Optical Full Range Attenuation |
|
| 30 | dB |
Temperature Dependent Loss@12dB Attenuation |
|
| 1.1 | dB |
Temperature Dependent Loss@20dB Attenuation |
|
| 1.4 | dB |
Polarization Dependent Loss@20dB Attenuation |
|
| 0.3 | dB |
Wavelength Dependent Loss@12dB Attenuation |
|
| 0.7 | dB |
Wavelength Dependent Loss@20dB Attenuation |
|
| 1.5 | dB |
Wavelength Dependent |
|
| 0.2 | dB |
Optical Return Loss(Both Ports) |
|
| 45 | dB |
Tuning Speed(Over Full Range |
|
| 2 | ms |
Driving Voltage for 30dB Attenuation |
|
| 6 | V |
Electtical Driving Power |
|
| 1.8 | mW |
Repeatability |
|
| 0.2 | dB |
Mechanical Dimensions | Length |
| 15.4 | 23 | mm |
Diameter |
| 5.56 | 5.6 | mm |
MattVOAs
Parameter | Value | Unit |
Min | Typ | Max |
Operating Wavelength | 1525 |
| 1570 | nm |
Optical Insertion |
|
| 0.8 | dB |
Optical Full Range Attenuation |
|
| 30 | dB |
Temperature Dependent Loss@0-10dB Attenuation | -0.5 |
| 0.5 | dB |
Temperature Dependent Loss@10-20dB Attenuation | -0.7 |
| 0.7 | dB |
Polarization Dependent Loss@20dB Attenuation |
|
| 0.3 | dB |
Wavelength Dependent Loss@0-20dB Attenuation |
|
| 0.3 | dB |
Wavelength Dependent Loss@20-25dB Attenuation |
|
| 0.35 | dB |
