METHOD FOR ALIGNMENT OF A LASER BEAM EMITTED FROM AN OPTICAL COMMUNICATION TRANSMITTER WITH A RECEIVING STATION
The present invention relates to a method, system and device for transmitting information from an optical communication transmitter to a receiving station via a laser beam and for alignment of said laser beam emitted from said optical communication transmitter with said receiving station, wherein:-...
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| creator | Carrasco Hernández, José Antonio García de Quirós Nieto, Francisco Javier Moreno Soriano, Ignacio |
| description | The present invention relates to a method, system and device for transmitting information from an optical communication transmitter to a receiving station via a laser beam and for alignment of said laser beam emitted from said optical communication transmitter with said receiving station, wherein:- said optical communication transmitter is displaced relative to said receiving station and comprises a laser, a radio receiver, a microprocessor and a liquid crystal on silicon spatial light modulator comprising a diffractive element, whereby said laser beam is emitted from said laser and is projected over an area by diffraction and reflection using said liquid crystal on silicon spatial light modulator, wherein said laser and said diffractive element are controlled by said microprocessor, wherein said laser beam has a longitudinal axis parallel to the propagation path of said laser beam,- said receiving station comprises a photodiode receiver for detecting said transmitted laser beam and a radio transmitter, and- said method comprises using a pointing diffraction mask and a tracking diffraction mask, wherein each pointing diffraction mask is generated in combination with a tracking diffraction mask in said diffractive element. |
| format | Patent |
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Moreno Soriano, Ignacio</creatorcontrib><description>The present invention relates to a method, system and device for transmitting information from an optical communication transmitter to a receiving station via a laser beam and for alignment of said laser beam emitted from said optical communication transmitter with said receiving station, wherein:- said optical communication transmitter is displaced relative to said receiving station and comprises a laser, a radio receiver, a microprocessor and a liquid crystal on silicon spatial light modulator comprising a diffractive element, whereby said laser beam is emitted from said laser and is projected over an area by diffraction and reflection using said liquid crystal on silicon spatial light modulator, wherein said laser and said diffractive element are controlled by said microprocessor, wherein said laser beam has a longitudinal axis parallel to the propagation path of said laser beam,- said receiving station comprises a photodiode receiver for detecting said transmitted laser beam and a radio transmitter, and- said method comprises using a pointing diffraction mask and a tracking diffraction mask, wherein each pointing diffraction mask is generated in combination with a tracking diffraction mask in said diffractive element.</description><language>eng ; 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| subjects | DEVICES OR ARRANGEMENTS, THE OPTICAL OPERATION OF WHICH ISMODIFIED BY CHANGING THE OPTICAL PROPERTIES OF THE MEDIUM OF THEDEVICES OR ARRANGEMENTS FOR THE CONTROL OF THE INTENSITY,COLOUR, PHASE, POLARISATION OR DIRECTION OF LIGHT, e.g.SWITCHING, GATING, MODULATING OR DEMODULATING ELECTRIC COMMUNICATION TECHNIQUE ELECTRICITY FREQUENCY-CHANGING NON-LINEAR OPTICS OPTICAL ANALOGUE/DIGITAL CONVERTERS OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS OPTICAL LOGIC ELEMENTS OPTICS PHYSICS TECHNIQUES OR PROCEDURES FOR THE OPERATION THEREOF TRANSMISSION |
| title | METHOD FOR ALIGNMENT OF A LASER BEAM EMITTED FROM AN OPTICAL COMMUNICATION TRANSMITTER WITH A RECEIVING STATION |
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