Free Space Laser Communications

Lasers have been considered for space communications since their realization in 1960. However, it was soon recognized that, although the laser had potential for the transfer of data at extremely high rates, specific advancements were needed in component performance and systems engineering, particularly for space-qualified hardware. Advances in system architecture, data formatting, and component technology over the past three decades have made laser communications in space not only a viabl ....etc

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pls can you send me the ppt for smart transmitters and receivers for optical free space under water communication as i have a presentation tomorrow.hope you would do the needful ....etc

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Smart Transmitters And Receivers For Under Water Communication
Underwater Free space optical communication promising alternative for Short range links. Considered to be point to point. New optical front end proposed the concept of smart transmitters and receivers. Smart Receivers is capable of detecting angle of arrival of signals. Smart transmitters electronically steers output beam towards particular direction. Estimates water quality from back scattered light.

Advantages are non mechanical pointing and tracking on a moving underwater veh ....etc

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to get information about the topic space laser communications full report ppt and related topic refer the page link bellow

http://seminarsprojects.net/Thread-space-laser-communications

http://seminarsprojects.net/Thread-free-space-laser-communications--2019

http://seminarsprojects.net/Thread-free-space-laser-communications--727?pid=50653&mode=threaded

http://seminarsprojects.net/Thread-space-laser-communications-systems-technologies-and-applications?pid=47053&mode=threaded ....etc

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To get full information or details of the topic future satellite communication please have a look on the pages

http://seminarsprojects.net/Thread-trends-in-satellite-communications-and-the-role-of-optical-free-space-communications

http://seminarsprojects.net/Thread-optical-satellite-communication-download-full-report-and-abstract

http://seminarsprojects.net/Thread-satellite-communication-full-report?pid=40617#pid40617

http://seminarsprojects.net/Thread-mobile-satellite-communication-full-report

http://seminarsprojects.net/Thread-satellite- ....etc

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To get full information or details of smart transmitters and receivers for underwater free space optical communication please have a look on the pages

http://seminarsprojects.net/Thread-optical-space-communication-or-free-space-optical-communication-fso

if you again feel trouble on smart transmitters and receivers for underwater free space optical communication please reply in that page and ask specific fields in smart transmitters and receivers for underwater free space optical communication ....etc

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To get full information or details of free space laser communications please have a look on the pages

http://seminarsprojects.net/Thread-space-laser-communications

http://seminarsprojects.net/Thread-free-space-laser-communications--2019

http://seminarsprojects.net/Thread-free-space-laser-communications--727?pid=50653&mode=threaded

http://seminarsprojects.net/Thread-space-laser-communications-systems-technologies-and-applications?pid=47053&mode=threaded

if you again feel trouble on free space laser communications please reply in that page ....etc

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Free space optical communications is a line-of-sight (LOS) technology that transmits a modulated beam of visible or infrared light through the atmosphere for broadband communications. In a manner similar to fiber optical communications, free space optics uses a light emitting diode (LED) or laser (light amplification by stimulated emission of radiation) point source for data transmission. However, in free space optics, an energy beam is collimated and transmitted through space rather than being guided through an optical cable. These beams of li ....etc

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SATELLITE OPTICAL COMMUNICATIONS
Presented By;
P.Gangadhar Reddy
B.Vamsi Krishna
Regno: 04A41A0425
Regno: 04A41A0481


ABSTRACT
Any Communication system needs a medium to operate. Satellite communication and optical communication are two different methods of communication. Satellite communication uses a satellite as a repeater between two points that exchange information, here medium is air and information is passed as electromagnetic waves. Satellite Communi ....etc

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In summer 1977, ESA placed the first technological study contract in the domain of intersatellite optical links. Now, twenty years later, a major milestone has been reached with the SILEX laser terminals having been flight tested for integration with their host spacecraft. At the same time, ESA is preparing itself for a new challenge: the potential massive use of optical cross links in satellite constellations for mobile communications and global multimedia services. This is an opportune moment to look back at the past twenty years of ESA effor ....etc

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