Free Space Optical Communication Products

Free Space Optical (FSO) communication products enable high-speed, line-of-sight data transmission using laser beams, offering scalable solutions for terrestrial and space applications.

Overview of FSO Products

FSO communication products transmit data through air, vacuum, or outer space using laser beams, eliminating the need for physical cabling and providing high bandwidth and secure connections . These systems are particularly useful in environments where fiber deployment is impractical or costly, such as urban rooftops, remote areas, or satellite links .

Key Product Categories

1. SWIR-Based FSO Systems
   • Exosens Cheetah+ series: High-speed Shortwave Infrared (SWIR) cameras designed for FSO applications, offering superior pointing, receiver, and transmitter performance .
   • Advantages: Penetrates fog and thin obstacles, operates at eye-safe wavelengths, and provides high quantum efficiency and signal-to-noise ratio using InGaAs detectors in the 900–1700nm range .
2. Commercial Terrestrial FSO Products
   • CableFree FSO: Offers data rates from 622 Mbps to 1.5 Gbps over distances from 100 meters to 2 km, with interfaces for Gigabit Ethernet or Fibre Channel .
   • Features: Automatic tracking and power control (ATPC), stable beam design, and upgradeable access solutions from 1 to 155 Mbps for T1/E1 or Ethernet networks .
   • Applications: Campus networks, city enterprise links, last-mile connectivity, and bridging areas without physical access .
3. Custom and Research-Grade Solutions
   • Viasat: Provides custom modems and optical communication solutions tailored to specific FSO system requirements, including simulation and emulation of optical channels .
   • Fraunhofer IOSB: Research-grade terrestrial FSO systems achieving data rates up to 10 Gbps using coherent modulation and polarization diversity, with error-free transmission over 95% of the time .
   • Applications: Military and civilian high-speed links, experimental laser communication, and atmospheric turbulence mitigation studies .

Advantages of FSO Products

• High Bandwidth: Supports multi-gigabit data rates, exceeding typical RF systems .
• Cost-Efficiency: Reduces infrastructure costs by eliminating fiber installation .
• Scalability: Suitable for small-scale campus networks or large-scale satellite communications .
• Secure Transmission: Line-of-sight optical links are difficult to intercept, enhancing data security .
• Rapid Deployment: Compact transceivers allow flexible installation in urban, rural, or space environments .

Applications

• Terrestrial Networks: Campus, urban, and rural wireless links, including 4G/5G backhaul and preparation for 6G .
• Satellite Communication: Earth-observation and military satellites with limited connection windows .
• Interplanetary Communication: High-speed links for extraterrestrial missions .
• Enterprise Connectivity: LAN-to-LAN or WLAN-to-WLAN bridging in areas without fiber access . FSO communication products are increasingly critical for high-speed, secure, and flexible data transmission, with options ranging from commercial terrestrial systems to advanced SWIR and research-grade solutions for space and experimental applications .