swept-source lidar | [2008.10358] Swept Source Lidar: simultaneous FMCW ranging

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swept-source lidar*******Solid-state beam steering mechanisms are needed for robust lidar systems. Here we propose and demonstrate a lidar scheme called "Swept Source Lidar" that .swept-source lidar [2008.10358] Swept Source Lidar: simultaneous FMCW ranging Solid-state beam steering mechanisms are needed for robust lidar systems. Here we propose and demonstrate a lidar scheme called "Swept Source Lidar" that .Swept Source Lidar can perform FMCW ranging and solid-state beam steering simultaneously. Wavelength dispersive elements provide nonmechanical beam steering .

Here we propose and demonstrate a lidar scheme called "Swept Source Lidar" that allows us to perform frequency-modulated continuous-wave (FMCW) ranging . A lidar scheme called Swept Source Lidar is proposed and demonstrated that allows for frequency-modulated continuous-wave ranging and nonmechanical beam . Solid-state beam steering mechanisms are needed for robust lidar systems. Here we propose and demonstrate a lidar scheme called "Swept Source Lidar" that . A frequency swept laser source is used for performing optical frequency-modulated continuous-wave (FMCW) ranging and 2D beam steering simultaneously. The 2D disperser is compact and can .

Solid-state beam steering mechanisms are needed for robust lidar systems. Here we propose and demonstrate a lidar scheme called "Swept Source Lidar" that allows us to .

Therefore, a frequency swept laser source with excellent coherence, high linearity, and a frequency swept bandwidth that meets the application requirements .

Given the specific features of the light source required for coherent LiDAR, in which the wavelength must be swept, it is an efficient strategy to use the broad .

Light detection and ranging (lidar) has long been used in various applications. Solid-state beam steering mechanisms are needed for robust lidar systems. Here we propose and demonstrate a lidar scheme called "Swept Source Lidar" that allows us to perform frequency-modulated continuous-wave (FMCW) ranging and .[2008.10358] Swept Source Lidar: simultaneous FMCW ranging Light detection and ranging (lidar) has long been used in various applications. Solid-state beam steering mechanisms are needed for robust lidar systems. Here we propose and demonstrate a lidar scheme called "Swept Source Lidar" that allows us to perform frequency-modulated continuous-wave (FMCW) ranging and .swept-source lidar Okano et al. 21 first proposed a swept-source LiDAR using a combination of a wideband wavelength-swept source and diffraction grating. A high sweep rate of 10 kHz with a sweep bandwidth of 40 nm . Swept-source optical coherence tomography (SS-OCT) is an attractive high-speed imaging technique for retinal angiography. However, conventional swept lasers vary the cavity length of the laser . Light detection and ranging (lidar) has long been used in various applications. Solid-state beam steering mechanisms are needed for robust lidar systems. Here we propose and demonstrate a lidar scheme called "Swept Source Lidar" that allows us to perform frequency-modulated continuous-wave (FMCW) ranging and .A solid-state FMCW LiDAR system on a photonic chip can be subdivided into its scanning engine and ranging engine. The scanning engine consists of the laser source and beam steering optics, while the ranging engine consists of a modulated transmitted signal and a coherent receiver. Here, we present the practical considerations of using the wavelength . Okano, M. & Chong, C. Swept source lidar: simultaneous FMCW ranging and nonmechanical beam steering with a wideband swept source. Opt. Express 28, 23898–23915 (2020).

Here we propose and demonstrate a lidar scheme called "Swept Source Lidar" that allows us to perform frequency-modulated continuous-wave (FMCW) ranging and nonmechanical beam steering simultaneously. Wavelength dispersive elements provide angular beam steering, while a laser frequency is continuously swept by a wideband . M. Okano and C. Chong, “Swept source lidar: simultaneous FMCW ranging and nonmechanical beam steering with a wideband swept source,” Opt. Express 28 (16), 23898–23915 (2020). 16.We have proposed a non-mechanical beam-steer lidar system, in which the laser sweeps to realize 1-D beam steering and ranging simultaneously. In the demonstrational experiment, angular coverage of 3.3° is achieved with a steering resoluiton of 0.19°. Meanwhile, the distance resolution is 1.8 mm over a distance of 1 m.

A Swept Source Lidar system consists of a swept source and a wavelength dispersive element, instead of a beam steering device used in conventional FMCW lidar systems. Because of the dispersive effect, a laser beam is nonmechanically steered while the laser frequency is swept. The emission angle of the outgoing beam

Fig. 4. Data processing in Swept Source Lidar system. The interference signal taken during a single frequency sweep is resampled with a constant interval in the frequency domain using the corresponding k-clock signal. The frequency sweep curve is shown on the top right corner of the figure. Next, the resampled signal is divided into .

Fig. 2. Schematic of “Swept Source Lidar” system, consisting of a swept source and a wavelength dispersive element. Because of the dispersive effect, the laser beam from the source is nonmechanically steered while the laser frequency is continuously swept as “swept source scan”. The range for targets at each beam emission angle can . Here we propose and demonstrate a lidar scheme called "Swept Source Lidar" that allows us to perform frequency-modulated continuous-wave (FMCW) ranging and nonmechanical beam steering simultaneously. Wavelength dispersive elements provide angular beam steering, while a laser frequency is continuously swept by a wideband .

Among the various LiDAR systems, a typical system used for autonomous vehicles is the pulse LiDAR system. The pulse rider emits a short pulse laser, measures the time interval and angle of the received reflected light signal and measures the distance of the object. [] However, many such pulse LiDAR use light sources with wavelengths in . A lidar scheme called Swept Source Lidar is proposed and demonstrated that allows for frequency-modulated continuous-wave ranging and nonmechanical beam steering simultaneously and can be flexibly combined with various beam steering elements to realize full solid-state FMCW lidar systems.

Fig. 1. (a) Schematic of a conventional FMCW lidar system, consisting of a swept source and a beam steering device. (b) The range for targets at each beam emission angle can be determined from the beat frequency or the FFT signal obtained from the interference between the outgoing and reflected beams. - "Swept Source Lidar: .Abstract. We have proposed a non-mechanical beam-steer lidar system, in which the laser sweeps to realize 1-D beam steering and ranging simultaneously. In the demonstrational experiment, angular coverage of 17° is achieved with a steering resoluiton of 0.11 °. Meanwhile, the distance resolution is 1.85 mm over a distance of 1 m.

Light detection and ranging (lidar) has long been used in various applications. Solid-state beam steering mechanisms are needed for robust lidar systems. Here we propose and demonstrate a lidar scheme called “Swept Source Lidar” that allows us to perform frequency-modulated continuous-wave (FMCW) ranging and nonmechanical .

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swept-source lidar|[2008.10358] Swept Source Lidar: simultaneous FMCW ranging