 MULTI-CHANNEL ACOUSTO-OPTIC DEFLECTORS
Russian Technological Association™ presents a Multi -Channel Acousto- Optic Deflectors (MAOD) designed for fiber-optic telecommunication networks.
MAOD (model RTA TeO2-4M) is based on TeO2 single crystal, operates at 1310 nm and intended for 4 x M switching architecture ( TeO2 based model for 1550 nm – on request).
MAOD (model RTA GaAs-8N) is based on GaAs single crystal, operates in the optical "windows" centered at 1310 nm or 1550 nm and intended for 8 x N switching architecture. This model is not sensitive to the state of input light polarization.
MAOD are completely computer controlled devices with high speed programmable deflection of the laser beams. All models of MAOD have high operational flexibility and can be easily integrated into telecom systems as core elements of an all-optical switches.
FEATURES AND ADVANTAGES | APPLICATIONS | Multi-Channels | Multi-Channel Optical Switches | Fast 1D Deflection | Multi-Channel Scanning Systems | | Large Scanning Angle | | | Large Active Aperture | | High Diffraction Efficiency | |
SPECIFICATION MULTI-CHANNEL ACOUSTO-OPTIC DEFLECTORS № | PARAMETERS | UNIT | RTA- 1D-8N | RTA- 1D-4M | 1 | Acousto -Optic Material | | GaAs | TeO2 | 2 | Type of the Acoustic Wave | | Shear | Shear | 3 | Polarization Sensitivity | | None | Linear | 4 | Number of Channels | | In=8; Out=8 X N | In=4; Out =4 X M | 5 | Channel Width | mm | 0.52 | 1 | 6 | Center-to-Center Channel Spacing | mm | 0.975 | 1.2 | 7 | Working Frequency Range | MHz | 110-195 | 65-93 | 8 | Transmission Optical Range | nm | 1300–1600 | 1300-1600 | 9 | Bandwidth | nm | 300 | 50 | 10 | Diffraction Efficiency under exact Bragg synchronism | % | 45-60 @ 1310 nm 1.5 Wt RF power | 80 @ 1310 nm 0.5 Wt RF power | 11 | Diffraction Efficiency under exact Bragg synchronism | % | 35-45 @ 1550 nm 1.5 Wt RF power | 75 @ 1550 nm 0.5 Wt RF power | 12 | Laser Beam Diameter –D0 | mm | 0,3 | 0.9 | 13 | Full Scanning Angle | degrees | 1.7 @ 1550 nm | 3.7 @ 1310 nm | 14 | Number of Angular Positions | | < 8 @ D0=0.3mm | >30 @ D0=0.9mm | 15 | Switching Speed | ns | 90 | 150 | 16 | Channel Crosstalk | dB | >-25 | >-20 | 17 | Input Impedance | Ohm | 50 | 50 | 18 | VSWR over the electrical matching band |
| Less than 3 | Less than 3 |
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