Atmospheric characterization systems and methods
The present disclosure is of an atmospheric characterization system that has a central processing board that has a first and a second communication interface. Further, the atmospheric characterization system further has a first precision temperature sensor that is communicatively coupled to the central processing board via the first communication interface and positioned a distance from a first side of the processing board, wherein the precision temperature measures a first temperature and transfers data indicative of the first temperature to the central processing board. In addition, the atmospheric characterization system has a second precision temperature sensor that is communicatively coupled to the central processing board via the second communication interface and positioned the distance from a second opposing side of the processing board such that the first precision temperature sensor and the second precision temperature sensor are equidistance from the processing board and a distance between the first precision sensor and the second precision sensor is a predetermined distance, r, and the second precision temperature sensor measures a second temperature and transfers data indicative of the second temperature to the central processing board simultaneously with the transferring of the first temperature. Additionally, the atmospheric characterization system has a processor that receives the first temperature and the second temperature and calculates a value indicative of atmospheric turbulence based upon the first temperature and the second temperature, wherein the value indicative of the atmospheric turbulence is used for designing, modifying, calibrating, or correcting an optical system.
1. An atmospheric characterization system, comprising:
a central processing board comprising a first communication interface and a second communication interface;
a first precision temperature sensor communicatively coupled to the central processing board via the first communication interface and positioned a distance from a first side of the processing board, the first precision temperature sensor configured for measuring a first temperature and transferring data indicative of the first temperature to the central processing board;
a second precision temperature sensor communicatively coupled to the central processing board via the second communication interface and positioned the distance from a second opposing side of the central processing board such that the first precision temperature sensor and the second precision temperature sensor are equidistant from the central processing board and there is a predetermined distance, r, between the first precision temperature sensor and the second precision temperature sensor, the second precision temperature sensor configured for measuring a second temperature and transferring data indicative of the second temperature to the central processing board simultaneously with the transfer of the data indicative of the first temperature; and
a processor configured for receiving the data indicative of the first temperature and the data indicative of the second temperature and calculating a value indicative of atmospheric turbulence based upon the first temperature and the second temperature.
2. The atmospheric characterization system of claim 1 , wherein the first precision temperature sensor comprises a first wireless transceiver and the second precision temperature sensor comprises a second wireless transceiver, the first wireless transceiver and the second wireless transceiver configured for communicatively connecting to a third wireless transceiver on the central processing board, wherein the first precision temperature sensor and the second precision temperature sensor are configured for transmitting the data indicative of the first temperature and the data indicative of the second temperature to the central processing board wirelessly.
3. The atmospheric characterization system of claim 1 , wherein the first precision temperature sensor is positioned on the first side of the central processing board at an angle relative to the central processing board and the second precision temperature sensor is positioned on the second opposing side at the angle relative to the central processing board.
4. The atmospheric characterization system of claim 1 , wherein the processor is further configured for calculating a temperature structure coefficient based upon the first temperature, the second temperature, and the predetermined distance, r.
5. The atmospheric characterization system of claim 4 , wherein the central processing board further comprises an ambient temperature sensor configured for detecting an ambient temperature and an ambient pressure sensor configured for detecting an ambient pressure.
6. The atmospheric characterization system of claim 5 , wherein the processor is further configured for calculating the value indicative of the atmospheric turbulence based upon the calculated temperature structure coefficient, the ambient temperature, and the ambient pressure.
7. The atmospheric characterization system of claim 1 , wherein each of the first precision temperature sensor and the second precision temperature sensor is coupled to and covered by a first radiation shield and a second radiation shield, respectively.
8. The atmospheric characterization system of claim 7 , wherein the first radiation shield and the second radiation shield each comprises at least one layer.
9. The atmospheric characterization system of claim 8 , wherein the at least one layer of the first radiation shield and the second radiation shield comprises a radial opening on an underside of the layers to allow air flow through the first and second radiation shields thereby allowing accurate temperature measurements by the first precision temperature sensor and the second precision temperature sensor.
10. The atmospheric characterization system of claim 1 , wherein the central processing board further comprises a global positioning system (GPS).
11. The atmospheric characterization system of claim 10 , further comprising a storage device (SD) card, wherein data indicative of the value indicative of atmospheric turbulence and data indicative of an associated location and time obtained from the GPS are stored on the SD card.
12. The atmospheric characterization system of claim 10 , wherein the central processing board further comprises a data link.
13. The atmospheric characterization system of claim 12 , wherein data indicative of the value indicative of atmospheric turbulence and data indicative of an associated location and time are transmitted to a computing device via the data link.
14. The atmospheric characterization system of claim 1 , communicatively linked to a free-space optical system.
15. The atmospheric characterization system of claim 14 , wherein the free-space optical system is a terrestrial telescope, a free-space laser communication system, or a High Energy Laser (HEL) free space system.
16. An atmospheric characterization method for providing a value indicative of atmospheric turbulence for use in a free-space optical system, comprising:
measuring a first temperature via a first precision temperature sensor communicatively coupled to a central processing board and positioned a distance from a first side of the central processing board;
measuring a second temperature via a second precision temperature sensor communicatively coupled to the central processing board and positioned the distance from a second opposing side of the central processing board such that the first precision temperature sensor and the second precision temperature sensor are equidistant from the central processing board, and there is a predetermined distance, r, between the first precision temperature sensor and the second precision temperature sensor;
transferring data indicative of the first temperature and data indicative of the second temperature to the central processing board simultaneously;
receiving, by a processor, the data indicative of the first temperature and the data indicative of the second temperature;
calculating a value indicative of atmospheric turbulence based upon the first temperature, the second temperature, and the predetermined distance, r; and
providing the value indicative of atmospheric turbulence for use in designing, modifying, calibrating, or correcting a free-space optical system.
17. The atmospheric characterization method of claim 16 , wherein the transferring step is completed upon demand from the processor.
18. The atmospheric characterization method of claim 16 , wherein the transferring step is completed periodically.
19. The atmospheric characterization method of claim 16 , wherein the first precision temperature sensor and the second precision temperature sensor each comprises a cable for communicatively connecting to communication interfaces on the central processing board, the method further comprising transmitting the data indicative of the first temperature and the data indicative of the second temperature to the central processing board over the cables.
20. The atmospheric characterization method of claim 16 , wherein the first precision temperature sensor comprises a first wireless transceiver and the second precision temperature sensor comprises a second wireless transceiver, the first wireless transceiver and the second wireless transceiver configured for communicatively connecting to communication interfaces on the central processing board, wherein the communication interfaces comprise a third wireless transceiver, the method further comprising transmitting the data indicative of the first temperature and the data indicative of the second temperature to the central processing board wirelessly.
21. The atmospheric characterization method of claim 16 , further comprising calculating, by the processor, a temperature structure coefficient based upon the first temperature, the second temperature, and the predetermined distance, r.
22. The atmospheric characterization method of claim 21 , wherein the central processing board further comprises an ambient temperature sensor and an ambient pressure sensor, the method further comprising:
detecting an ambient temperature by the ambient temperature sensor; and
detecting an ambient pressure by the ambient pressure sensor.
23. The atmospheric characterization method of claim 22 , further comprising calculating, by the processor, the value indicative of the atmospheric turbulence based upon the calculated temperature structure coefficient, the ambient temperature, and the ambient pressure.
24. The atmospheric characterization method of claim 16 , wherein the central processing board further comprises a global positioning system configured for obtaining data indicative of a location and a time associated with the first temperature and the second temperature.
25. The atmospheric characterization method of claim 24 , wherein the central processing board further comprises a storage device (SD) card, the method further comprising storing data indicative of the value indicative of the atmospheric turbulence and the data indicative of the associated location and time.
26. The atmospheric characterization method of claim 24 , wherein the central processing board further comprises a data link, the method further comprising transmitting data indicative of the value indicative of the atmospheric turbulence and the data indicative of the associated location and time to a computing device.