High-precision silicon-integrated frequency-modulated continuous wave LiDAR calibrated using a microresonator

J Zheng, L Jia, Y Zhai, L Ni, W Gu, Y Sun, M Song… - ACS …, 2022 - ACS Publications
Frequency-modulated continuous wave (FMCW) LiDAR can achieve long-distance and high-
precision measurement, and the ranging error mainly comes from the nonlinearity of the …

Reconfigurable time-stretched swept laser source with up to 100 MHz sweep rate, 100 nm bandwidth, and 100 mm OCT imaging range

D Huang, F Li, C Shang, Z Cheng, PKA Wai - Photonics Research, 2020 - opg.optica.org
The sweep rate, sweep range, and coherence length of swept sources, respectively,
determine the acquisition rate, axial resolution, and imaging range of optical coherence …

Linear group delay spectral interferometry for full-range precision absolute length metrology

J Wang, J Huang, Q Liu, W Du, F Zhang, T Zhu - Photonics Research, 2024 - opg.optica.org
The optical frequency comb serves as a powerful tool for distance measurement by
integrating numerous stable optical modes into interferometric measurements, enabling …

Programmable optical vernier‐sampled coherent ranging

S Bak, H Jang, MU Jung, GH Kim, M Jo… - Laser & Photonics …, 2023 - Wiley Online Library
Extended measurement ranges with coherent ranging necessitate an increase in the
digitizer sampling rate. Subsampled coherent ranging can reduce the sampling rate, but it …

Spectral-interferometry-based diff-iteration for high-precision micro-dispersion measurement

W Du, J Huang, Y Wang, M Zhao, J Li, J He… - Photonics …, 2024 - opg.optica.org
Precise measurement of micro-dispersion for optical devices (optical fiber, lenses, etc.)
holds paramount significance across domains such as optical fiber communication and …

[PDF][PDF] 基于电控光学采样的飞秒激光距离测量系统

薛睿, 武子铃, 董佳琦, 胡明列, 宋有建 - Acta Optica Sinica, 2023 - researching.cn
摘要基于电控光学采样原理开展了飞秒激光飞行时间绝对距离测量的实验研究.
电控光学采样技术使用两台重复频率锁相的飞秒激光器, 分别作为信号激光器和本地振荡器 …

Electronic frequency shifting enables long, variable working distance optical coherence tomography

AM Wisniowiecki, BE Applegate - Biomedical Optics Express, 2023 - opg.optica.org
Increased imaging range is of growing interest in many applications of optical coherence
tomography to reduce constraints on sample location, size, and topography. The design of …

LSTM-Resnet-assisted Linearization for the Dual Frequency Comb Photonic RF Channelized Receiver

X Zhang, L Zhao, J Zhang, J Zhang… - Journal of Lightwave …, 2024 - ieeexplore.ieee.org
Analog photonic channelized receivers based on dual optical frequency combs (DOFC) are
widely used in microwave photonic wideband signal processing. It uses photonic means to …

Frequency-Modulated Continuous-Wave Laser Ranging With Sub-Nyquist Sampling Rate Using Asymmetric Chirped Waveforms

B Qiu, G Hu, Z Xu, X Zhu, Y Zhang… - IEEE Sensors Letters, 2022 - ieeexplore.ieee.org
We propose a frequency-modulated continuous-wave (FMCW) laser range with sub-Nyquist
sampling rates in which asymmetric chirped waveforms are used. Different de-chirped …

High Precision Micro-Dispersion Measurement Based on Spectral Interferometry using a Soliton Microcomb

W Du, J He, J Wang, T Zhu - 2024 IEEE 16th International …, 2024 - ieeexplore.ieee.org
This paper investigates the use of the diff-iteration method based on spectral interferometry
for measuring the micro-dispersion of optical devices (optical fiber, lens, etc.). Using an …