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US Patent 10495839 Space lasercom optical bench

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Patent abstractTimelineTable: Further ResourcesReferences
Is a
Patent
Patent

Patent attributes

Patent Jurisdiction
United States Patent and Trademark Office
United States Patent and Trademark Office
Patent Number
10495839
Patent Inventor Names
Robert T Carlson14
Mark C Janelle14
Date of Patent
December 3, 2019
Patent Application Number
16204036
Date Filed
November 29, 2018
Patent Citations
‌
US Patent 10236980 Apparatus and method for rapid identification of candidate laser communication beacons
1
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US Patent 10277320 Apparatus and method for rapid identification of laser communication beacons
‌
US Patent 10298327 Pointing control with fiber nutation
4
‌
US Patent 10277321 Acquisition and pointing device, system, and method using quad cell
5
‌
US Patent 10381797 Flexible design for a tunable optical filter (TOF) processing block
6
‌
US Patent 10158427 Celestial navigation using laser communication system
‌
US Patent 10230467 Apparatus and method for rapid identification of laser communication beacons
Patent Citations Received
‌
US Patent 11411647 Coarse pointing arrangement
11
‌
US Patent 11567264 Wavelength separated fine steering assembly
12
‌
US Patent 11667406 Inertial stabilization system with active jitter suppression and optical control
13
Patent Primary Examiner
‌
James R Hulka
Patent abstract

A lasercom coefficient of thermal expansion (CTE)-matched optical bench, with optional star-tracker capability, that includes a Transmitter (TX) fiber collimator creating a Gaussian beam from a singlemode (SM) or polarization maintaining (PM) fiber; a tiltball directly bonded to the optical bench, the tiltball performing centration of a TX beam with a telescope optical axis; a TX beam diverger creating a wide beam for acquisition, and a narrow beam for tracking and communications; a Point-Ahead Mechanism/mirror; a polarization diplexer cube or dichroic filter(s) separating TX and Receiver (RX) beams of opposite polarization and/or different wavelengths, wherein the polarization or dichroic and anti-reflective coatings are compatible with the adjunct star tracker; a fast-steering mechanism and mirror having a common-path to TX and RX; a RX optical passband filter; the RX optical passband filter having a flipper mechanism allowing for selecting the passband of the star-tracker or the RX passband.

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