发明名称 |
Scanning Non-Scanning LIDAR |
摘要 |
An all fiber optic laser based scanning system for real time terrain mapping under degraded visual conditions is disclosed. A laser output is modulated to achieve a desired pulse width and pulse repetition frequency (PRF) and the modulated signal is amplified. The amplified optical signals are split into N channels that correspond to N elements of an optically phased array that steers light by modulating the phase of light entering and exiting the optical system. By applying a linear phase shift across the beam's wave front, the light propagating along the system's optical axis is steered to an off-axis angle. A real time map of an underlying terrain is accomplished by sweeping the N channel array across the terrain while collecting range information from each scan grid.
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申请公布号 |
US2013044309(A1) |
申请公布日期 |
2013.02.21 |
申请号 |
US201213396313 |
申请日期 |
2012.02.14 |
申请人 |
OPTICAL AIR DATA SYSTEMS, LLC;DAKIN ELIZABETH A.;MAMIDIPUDI PRIYAVADAN;ROGERS PHILIP L.;CHANGKAKOTI RUPAK;DAKIN DANIEL C. |
发明人 |
DAKIN ELIZABETH A.;MAMIDIPUDI PRIYAVADAN;ROGERS PHILIP L.;CHANGKAKOTI RUPAK;DAKIN DANIEL C. |
分类号 |
G01C3/08 |
主分类号 |
G01C3/08 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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