intersatellite optical communication
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ankurkavya
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#1
14-07-2010, 09:13 AM


respected sir,
i am looking for a powerpoint presentation slides related to the title but facing some problem in getting the appropriate material ...so kindly help me , by providing this....
thanking you
ankurkavya
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#2
18-09-2010, 11:57 AM

More Info About intersatellite optical communication


topicideashow-to-optical-communications-in-space--3821
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#3
16-10-2010, 03:58 PM


.docx   ankur............docx (Size: 436.8 KB / Downloads: 81)
[b] Intersattelite Optical Communication[/b]

Submitted by- Ankur Gupta
Roll number- 0709131019
JSS MAHAVIDYAPEETHA

JSS ACADEMY OF TECHNICAL EDUCATION NOIDA –[2010-2011]



ABSTRACT


Satellite crosslinks generally require narrower bandwidths for increased power concentration. We can increase the power concentration by increasing the cross link frequency with the same size antenna. But the source technology and the modulation hardware required at these higher frequency bands are still in the development stage. Use of optical frequencies will help to overcome this problem with the availability of feasible light sources and the existence of efficient optical modulation communications links with optical beams are presently being given serious considerations in intersatellite links and establishing an optical cross link requires first the initial acquisition and cracking of the veacon by the transmitting satellite followed by a pointing of the LASER beam after which data can be modulated and transmitted.

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#4
18-10-2010, 12:15 PM


.pptx   ppt.pptx (Size: 2.22 MB / Downloads: 85) [/b]
Inter satellite Optical Communication


INTRODUCTION


Communication links between space crafts is an important element of space infrastructure, particularly where such links allow a major reduction in the number of earth stations needed to service the system.

example of an inter orbit link for relaying data from LEO space craft to ground is shown in the figure below


The above figure represents a link between a Low earth orbiting (LEO) space craft and a Geostationary (GEO) space craft for the purpose of relaying data from the LEO space craft back to the ground.

The link from the GEO Satellite to ground is implemented using microwaves.

However, the interorbit link (IOL) can employ either microwave or optical technology. Optical technology offers a number of potential advantages over microwave.
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