Title :
High-resolution ranging of a diffuse target at sub-millisecond intervals with a calibrated FMCW Lidar
Author :
Giorgetta, F.R. ; Baumann, E. ; Knabe, K. ; Coddington, I. ; Newbury, N.R.
Author_Institution :
Nat. Inst. of Stand. & Technol., Boulder, CO, USA
Abstract :
We demonstrate a FMCW Lidar with a frequency-calibrated laser modulated over 1 THz at ~1 kHz modulation frequency. Range to a diffuse target is measured at 0.5 ms intervals with 150 μm resolution and ~1 μm precision. Work of the U.S. government, not subject to copyright.
Keywords :
CW radar; FM radar; laser ranging; optical radar; calibrated FMCW lidar; diffuse target; frequency 1 THz; frequency calibrated laser; high resolution ranging; modulation frequency; submillisecond interval; Distance measurement; Doppler shift; Frequency modulation; Laser radar; Measurement by laser beam; Optimized production technology; Signal resolution;
Conference_Titel :
Lasers and Electro-Optics (CLEO), 2012 Conference on
Print_ISBN :
978-1-4673-1839-6