SpaceElevatorPower: Difference between revisions
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Power is needed for everything and effective delivery over 10's of thousands of kilometers is not easy. Various methods were examined and laser power beaming was selected for the baseline. This is a mature yet still rapidly evolving technology. | Power is needed for everything and effective delivery over 10's of thousands of kilometers is not easy. Various methods were examined and laser power beaming was selected for the baseline. This is a mature yet still rapidly evolving technology. | ||
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== Status == | |||
Status | |||
Boeing has demonstrated operation of a 25kW laser of teh kind we need and claim they can build MW lasers | Boeing has demonstrated operation of a 25kW laser of teh kind we need and claim they can build MW lasers | ||
Beaming 9+kW lasers over short distances are being demonstrated at the Spaceward Space Elevator Games | Beaming 9+kW lasers over short distances are being demonstrated at the Spaceward Space Elevator Games | ||
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Include images and videos from the SE Games | Include images and videos from the SE Games | ||
Include design write-ups | Include design write-ups | ||
Delivering power over the distance of the elevator is a challenge but quickly being addressed by current technology. | |||
== Work Needed == | |||
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|width="200pt"| Item | |||
|width="400pt"| Notes | |||
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|Categorize the available laser systems || Select for overall capital and operational cost, efficiency of recievers, lifetime, weather considerations, platform stability requirements,... | |||
|- | |||
|Detail optics system || Size, performance, cost, ... considerations. | |||
|- | |||
|Safety issues with high power laser || Outline the requirements for safe operations | |||
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[[SpaceElevatorWikiOverview| Return to Overview]] | [[SpaceElevatorWikiOverview| Return to Overview]] | ||
Revision as of 07:43, 7 July 2008
Power Beaming System
Power is needed for everything and effective delivery over 10's of thousands of kilometers is not easy. Various methods were examined and laser power beaming was selected for the baseline. This is a mature yet still rapidly evolving technology.
| Value | Units | |
| Power input | 20 - 150 | MW |
| Power in laser beam | 2 - 15 | MW |
| Primary Beam diameter | 10-30 | meters |
| Wavelength | TBD | nm |
| Tracking accuracy | TBD | mrad |
| Power source | Solid-state disk laser |
Status
Boeing has demonstrated operation of a 25kW laser of teh kind we need and claim they can build MW lasers Beaming 9+kW lasers over short distances are being demonstrated at the Spaceward Space Elevator Games Adaptive optics have demonstrated long distance capabilities Include images and videos from the SE Games Include design write-ups
Delivering power over the distance of the elevator is a challenge but quickly being addressed by current technology.
Work Needed
| Item | Notes |
| Categorize the available laser systems | Select for overall capital and operational cost, efficiency of recievers, lifetime, weather considerations, platform stability requirements,... |
| Detail optics system | Size, performance, cost, ... considerations. |
| Safety issues with high power laser | Outline the requirements for safe operations |
