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A method for producing a heated fluid for use within an engine for propulsion of a vehicle is described. The method includes receiving cooled fluid from a fluid source, directing the cooled fluid between a first window configured to operate as a structural member of the engine and a second window co

A method for producing a heated fluid for use within an engine for propulsion of a vehicle is described. The method includes receiving cooled fluid from a fluid source, directing the cooled fluid between a first window configured to operate as a structural member of the engine and a second window configured to separate the cooled fluid from a heated fluid, passing an electromagnetic beam through the first window and the second window, absorbing the passed electromagnetic beam with a heat exchanger within the engine, and directing the cooled fluid through the heat exchanger to become heated fluid.

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1. A method for producing a heated fluid for use within an engine for propulsion of a vehicle, said method comprising: receiving cooled fluid from a fluid source;directing the cooled fluid between a first window configured to operate as a structural member of the engine and a second window configure

1. A method for producing a heated fluid for use within an engine for propulsion of a vehicle, said method comprising: receiving cooled fluid from a fluid source;directing the cooled fluid between a first window configured to operate as a structural member of the engine and a second window configured to separate the cooled fluid from a heated fluid;passing an electromagnetic beam through the first window and the second window;absorbing the passed electromagnetic beam with a heat exchanger within the engine; anddirecting the cooled fluid through the heat exchanger to become heated fluid. 2. The method according to claim 1 wherein directing the cooled fluid between a first window and a second window facilitates confining cold working fluid at high pressure relative to the outside environment. 3. The method according to claim 1 further comprising utilizing the electromagnetic beam to partially heat the cooled fluid as the fluid passes between the first window and the second window. 4. The method according to claim 1 wherein absorbing the passed electromagnetic beam with a heat exchanger comprises absorbing the beam with a first surface heat exchanger. 5. The method according to claim 1 wherein directing the cooled fluid through the heat exchanger to become heated fluid comprises routing a portion of the cooled fluid between the second window and the heat exchanger. 6. The method according to claim 1 further comprising absorbing a portion of thermal energy emitted by the heat exchanger with the second window to partially heat the cooled fluid as the fluid passes between the first window and the second window. 7. An electromagnetic beam powered propulsion system comprising: a chassis that defines a volume and comprising an inlet;a first window integrated with said chassis, said first window substantially transparent to an electromagnetic beam;a second window disposed within said chassis, said second window substantially transparent to the electromagnetic beam;a heat exchanger placed within said chassis and operable to absorb electromagnetic beams that pass through said first window and said second window; anda working fluid, said chassis configured to route said working fluid at a first temperature from said inlet into a passage defined between said first window and said second window, said chassis configured to further route said working fluid through said heat exchanger such that said working fluid is raised to a second temperature, the second temperature making said working fluid operable for propulsion. 8. The electromagnetic beam powered propulsion system according to claim 7 wherein said first window comprises a structure operable to confine said working fluid at the first temperature at a high pressure relative to an outside environment. 9. The electromagnetic beam powered propulsion system according to claim 7 wherein said chassis is configured to route a portion of said working fluid between said second window and said heat exchanger. 10. The electromagnetic beam powered propulsion system according to claim 7 wherein said second window is configured to absorb a portion of thermal energy emitted by said heat exchanger to partially heat said working fluid as said working fluid passes between said first window and said second window. 11. The electromagnetic beam powered propulsion system according to claim 7 wherein said chassis comprises a portion of one of a jet engine and a rocket engine. 12. The electromagnetic beam powered propulsion system according to claim 7 wherein said heat exchanger comprises a first surface heat exchanger. 13. The electromagnetic beam powered propulsion system according to claim 7 wherein said first window and said second window are transparent to an electromagnetic beam of a specific wavelength. 14. The electromagnetic beam powered propulsion system according to claim 7 wherein said second window comprises a structure operable to separate said working fluid at the first temperature from said working fluid at the second temperature. 15. A vehicle engine comprising: a chassis comprising a tank configured for storage of a working fluid at a first temperature;a first window integrated with said chassis, said first window substantially transparent to an electromagnetic beam;a second window disposed within said chassis, said second window substantially transparent to the electromagnetic beam;a heat exchanger placed within said chassis and operable to absorb electromagnetic beams that pass through said first window and said second window; anda nozzle, said chassis configured to route the working fluid from said tank into a passage defined between said first window and said second window, said chassis configured to further route the working fluid through said heat exchanger such that the working fluid is raised to a second temperature, said chassis configured to further route the working fluid at the second temperature through said nozzle to provide propulsion. 16. The vehicle engine according to claim 15 wherein said first window comprises a structure operable to confine the working fluid at the first temperature at a high pressure relative to an outside environment. 17. The vehicle engine according to claim 15 wherein said second window comprises a structure operable to separate the working fluid at the first temperature between said windows from the working fluid proximate said heat exchanger at the second temperature. 18. The vehicle engine according to claim 15 wherein said chassis is configured to route a portion of the working fluid between said second window and said heat exchanger. 19. The vehicle engine according to claim 15 wherein said second window is configured to absorb a portion of thermal energy emitted by said heat exchanger to partially heat a portion of the working fluid that passes between said first window and said second window. 20. The vehicle engine according to claim 15 wherein said first window comprises a transparent structural composite material and said second window comprises at least one multi-lens array.