Scintillation - Revision history

Smaldonado: Added opcomms stub template

2015-09-17T05:15:20Z

Added opcomms stub template

← Older revision		Revision as of 05:15, 17 September 2015
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	The index of refraction of air depends on many factors, including temperature, humidity, and density. If coherent (in phase) laser light travels through an inhomogeneous medium such as air, some of the light will traverse a longer optical path and destructively interfere at the receiver. If the effect varies quickly in time, this can present signal processing difficulties. A video [http://www.google.com/url?q=http%3A%2F%2Fstanfordssi.org%2Fimages%2FStaticLinks%2FScintillation.mp4&sa=D&sntz=1&usg=AFQjCNGm7KhES4_ikxjsCfXHxvKhWGcihw] taken from the receiving station at [[W6YX]], Stanford's Amateur Radio Station, shows the effects of suspected scintillation on a steady laser signal across a 10km path from [[Skyline Boulevard]]. Non-coherent light sources like LED’s are less prone to this phenomenon. SSI's [[OpComms]] group has not explored the math and physics behind scintillation, but is aware that it may have serious implications for eventual satellite development.		The index of refraction of air depends on many factors, including temperature, humidity, and density. If coherent (in phase) laser light travels through an inhomogeneous medium such as air, some of the light will traverse a longer optical path and destructively interfere at the receiver. If the effect varies quickly in time, this can present signal processing difficulties. A video [http://www.google.com/url?q=http%3A%2F%2Fstanfordssi.org%2Fimages%2FStaticLinks%2FScintillation.mp4&sa=D&sntz=1&usg=AFQjCNGm7KhES4_ikxjsCfXHxvKhWGcihw] taken from the receiving station at [[W6YX]], Stanford's Amateur Radio Station, shows the effects of suspected scintillation on a steady laser signal across a 10km path from [[Skyline Boulevard]]. Non-coherent light sources like LED’s are less prone to this phenomenon. SSI's [[OpComms]] group has not explored the math and physics behind scintillation, but is aware that it may have serious implications for eventual satellite development.

			{{opcomms-stub}}

	[[Category:Optical Communications]]		[[Category:Optical Communications]]

Smaldonado: Added to Optical Communications category

2015-08-11T06:10:25Z

Added to Optical Communications category

← Older revision		Revision as of 06:10, 11 August 2015
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	The index of refraction of air depends on many factors, including temperature, humidity, and density. If coherent (in phase) laser light travels through an inhomogeneous medium such as air, some of the light will traverse a longer optical path and destructively interfere at the receiver. If the effect varies quickly in time, this can present signal processing difficulties. A video [http://www.google.com/url?q=http%3A%2F%2Fstanfordssi.org%2Fimages%2FStaticLinks%2FScintillation.mp4&sa=D&sntz=1&usg=AFQjCNGm7KhES4_ikxjsCfXHxvKhWGcihw] taken from the receiving station at [[W6YX]], Stanford's Amateur Radio Station, shows the effects of suspected scintillation on a steady laser signal across a 10km path from [[Skyline Boulevard]]. Non-coherent light sources like LED’s are less prone to this phenomenon. SSI's [[OpComms]] group has not explored the math and physics behind scintillation, but is aware that it may have serious implications for eventual satellite development.		The index of refraction of air depends on many factors, including temperature, humidity, and density. If coherent (in phase) laser light travels through an inhomogeneous medium such as air, some of the light will traverse a longer optical path and destructively interfere at the receiver. If the effect varies quickly in time, this can present signal processing difficulties. A video [http://www.google.com/url?q=http%3A%2F%2Fstanfordssi.org%2Fimages%2FStaticLinks%2FScintillation.mp4&sa=D&sntz=1&usg=AFQjCNGm7KhES4_ikxjsCfXHxvKhWGcihw] taken from the receiving station at [[W6YX]], Stanford's Amateur Radio Station, shows the effects of suspected scintillation on a steady laser signal across a 10km path from [[Skyline Boulevard]]. Non-coherent light sources like LED’s are less prone to this phenomenon. SSI's [[OpComms]] group has not explored the math and physics behind scintillation, but is aware that it may have serious implications for eventual satellite development.

			[[Category:Optical Communications]]

Ehillstrom at 05:56, 30 July 2015

2015-07-30T05:56:29Z

← Older revision		Revision as of 05:56, 30 July 2015
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	The index of refraction of air depends on many factors, including temperature, humidity, and density. If coherent (in phase) laser light travels through an inhomogeneous medium such as air, some of the light will traverse a longer optical path and destructively interfere at the receiver. If the effect varies quickly in time, this can present signal processing difficulties. A video [http://www.google.com/url?q=http%3A%2F%2Fstanfordssi.org%2Fimages%2FStaticLinks%2FScintillation.mp4&sa=D&sntz=1&usg=AFQjCNGm7KhES4_ikxjsCfXHxvKhWGcihw] taken from the receiving station at [[W6YX]], Stanford's Amateur Radio Station, shows the effects of suspected scintillation on a steady laser signal across a 10km path from [[Skyline Boulevard]]. Non-coherent light sources like LED’s are less prone to this phenomenon. SSI's OpComms group has not explored the math and physics behind scintillation, but is aware that it may have serious implications for eventual satellite development.		The index of refraction of air depends on many factors, including temperature, humidity, and density. If coherent (in phase) laser light travels through an inhomogeneous medium such as air, some of the light will traverse a longer optical path and destructively interfere at the receiver. If the effect varies quickly in time, this can present signal processing difficulties. A video [http://www.google.com/url?q=http%3A%2F%2Fstanfordssi.org%2Fimages%2FStaticLinks%2FScintillation.mp4&sa=D&sntz=1&usg=AFQjCNGm7KhES4_ikxjsCfXHxvKhWGcihw] taken from the receiving station at [[W6YX]], Stanford's Amateur Radio Station, shows the effects of suspected scintillation on a steady laser signal across a 10km path from [[Skyline Boulevard]]. Non-coherent light sources like LED’s are less prone to this phenomenon. SSI's [[OpComms]] group has not explored the math and physics behind scintillation, but is aware that it may have serious implications for eventual satellite development.

Ehillstrom: Created page with "The index of refraction of air depends on many factors, including temperature, humidity, and density. If coherent (in phase) laser light travels through an inhomogeneous mediu..."

2015-07-30T04:34:29Z

Created page with "The index of refraction of air depends on many factors, including temperature, humidity, and density. If coherent (in phase) laser light travels through an inhomogeneous mediu..."

New page

The index of refraction of air depends on many factors, including temperature, humidity, and density. If coherent (in phase) laser light travels through an inhomogeneous medium such as air, some of the light will traverse a longer optical path and destructively interfere at the receiver. If the effect varies quickly in time, this can present signal processing difficulties. A video [http://www.google.com/url?q=http%3A%2F%2Fstanfordssi.org%2Fimages%2FStaticLinks%2FScintillation.mp4&sa=D&sntz=1&usg=AFQjCNGm7KhES4_ikxjsCfXHxvKhWGcihw] taken from the receiving station at [[W6YX]], Stanford's Amateur Radio Station, shows the effects of suspected scintillation on a steady laser signal across a 10km path from [[Skyline Boulevard]]. Non-coherent light sources like LED’s are less prone to this phenomenon. SSI's OpComms group has not explored the math and physics behind scintillation, but is aware that it may have serious implications for eventual satellite development.