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The Dynamic Variable Optical Attenuator (DVOA) based on microelectromechanical systems (MEMS) is an important component to achieve power regulation in all-optical networks. DVOA can realize comprehensive remote control of all-optical networks. Mainly used in: preset optical power equalization, channel transmission equalization, optical automatic gain adjustment, optical receiver protection, etc. The DVOA products developed by our company use MEMS control chips and unique optical designs, making the products more compact, lower cost, faster in response, higher in stability and reliability, and easy to manufacture.
FEATURES
High stability
High reliability
Low insertion loss
Rapid response
small volume
APPLICATION
High transmission optical power
Optical path power balance
Channel transmission equalization
Light automatic gain adjustment
Optical receiver protection
Light path on and off
SPECIFICATIONS
| Parameters | Unit | Index | Notes |
| Wavelength range | nm | 1260-1650nm or 980nm/1064nm | |
| Attenuation type | Normally bright or dark | ||
| Attenuation range | dB | ≥30 | |
| Max attenuation range | dB | ≥45 | |
| Insertion loss | dB | ≤0.7 (0.5 Typ.) | Without the connector loss |
| Attenuation type | Continue | ||
| WDL | dB | ≤0.1 | 0dB test |
| ≤1 | 20dB test | ||
| Ripple wave | dB | ≤0.05 | 0.4nm Broadband is tested at 20dB |
| PDL |
dB | ≤0.1 | 0dB test |
| ≤1 | 20dB test | ||
| TDL | dB | ≤0.15 | 0dB test comparison |
| ≤1 | 20dB test comparison | ||
| Return loss | dB | ≥55 | |
| PMD | ps | ≤0.5 | |
| Respond time | ms | ≤2 (1 Typ.) |
10-90% optical power 10-90% optical power |
| optical power resistant ability | mW | 300 | |
| Driving voltage | VDC | 6V |
Typ. is 40dB at 5.2V Typ. is 40dB at 5.2V |
| Power consumption | mW | ≤2 | |
| Operating temperature | ºC | 0 to 70 | |
| Storage temperature | ºC | -40 to 85 | |
DIMENSIONS/PIN DEFINITIONS
ORDERING INFORMATION
| VOA | Port | Operationwavelength | Fiber type | Fiber length | Connector |
|
1=Normally close
2=Normally open |
0101=1X1
XX=others |
10=1060nm 13=1310nm 15=1550nm 16=1625nm X=others |
1=Bare fiber
2=900um Optical fiber XX=others |
0=0.5m 1=1m X=others |
0=None 1=FC/APC 2= FC/PC 3=SC/APC 4=SC/PC 5=ST 6=LC XX=others |
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