Laser communication in space

1. How does laser communication work in space?
2. Can laser be communicated in space?
3. Does NASA have a space laser?
4. Which laser is used in satellite communication?

How does laser communication work in space?

Optical Communication in Space

Optical communication uses infrared (IR) laser light to transmit data. In IR communication, like in RF, data is encoded into electromagnetic signals and transmitted to different stations. But unlike RF, IR transmission can store more data and transfer them at higher speeds.

Can laser be communicated in space?

With laser communications aboard space vehicles, missions will be able to send more data in one transmission than with traditional radio frequency communications. NASA is also focused on its partnerships with private space companies to refine laser communications hardware.

Does NASA have a space laser?

NASA uses lasers to send information to and from Earth, employing invisible beams to traverse the skies, sending terabytes of data – pictures and videos – to increase our knowledge of the universe.

Which laser is used in satellite communication?

Currently, semiconductor lasers and gas lasers are the most used in solid-state lasers. The type of laser is chosen according to the characteristics of the link that is implemented, such as distance, altitude, the environmental conditions and the power level required in the receiver.