Spectral stability improvement through wide fields of view collection optics in laser-induced breakdown spectroscopy applications

G Wang, Y Zeng, L Guo, S Li, Z Hu - Journal of Analytical Atomic …, 2023 - pubs.rsc.org
The shot-to-shot fluctuation of the line intensity is a significant challenge in LIBS
applications. LIBS spectra are obtained by spatially integrating the inhomogeneous plasma …

Radiometric calibration algorithm for high dynamic range infrared imaging system

G Yang, Y Yu, Z Sun, Z Li, X Pang, T Zhang - Infrared Physics & Technology, 2023 - Elsevier
The infrared imaging system with high dynamic range is one of the most prime candidates in
the area of quantitative infrared radiometry and thermometry applications. As the foundation …

Combined finite-element and scalar diffraction simulation of light scattering on zone edges of diffractive intraocular lenses

A Nemes-Czopf, G Erdei - Applied Optics, 2023 - opg.optica.org
A method has been developed to simulate the effects of scattered light on the image quality
of optical systems. The coherent model is based on geometrical optics to take account of …

A method to measure internal stray radiation of cryogenic infrared imaging systems under various ambient temperatures

Q Tian, S Chang, Z Li, F He, Y Qiao - Infrared Physics & Technology, 2017 - Elsevier
The suppression level of internal stray radiation is a key criterion for infrared imaging
systems, especially for high-precision cryogenic infrared imaging systems. To achieve …

Internal and external stray radiation suppression for LWIR catadioptric telescope using non-sequential ray tracing

Y Zhu, X Zhang, T Liu, Y Wu, G Shi, L Wang - Infrared Physics & Technology, 2015 - Elsevier
A long wave infrared imaging system operated for space exploration of faint target is highly
sensitive to stray radiation. We present an integrative suppression process of internal and …

Towards serious perception sensor simulation for safety validation of automated driving-a collaborative method to specify sensor models

C Linnhoff, P Rosenberger, S Schmidt… - 2021 IEEE …, 2021 - ieeexplore.ieee.org
Perception sensor modeling is essential for the safety validation of automated driving
systems in virtual environments. Nevertheless, the community lacks a methodical approach …

Fixed-pattern noise model for filters in uncooled infrared focal plane array imaging optical paths

P Yuan, Z Tan, X Zhang, M Wang, W Jin, L Li… - Infrared Physics & …, 2023 - Elsevier
In recent years, uncooled infrared focal plane arrays (IRFPAs) have gained importance in
the field of industrial gas leak detection; however, their applications often require the …

Optical design of “MicroMED”, an optical particle counter to characterize Martian airborne dust

C Porto, F Cortecchia, F Cozzolino, G Franzese… - Measurement, 2024 - Elsevier
Airborne dust monitoring is crucial to characterize the thermal structure and evolution of the
Martian atmosphere and climate. For this purpose, the MicroMED instrument has been …

Calibration Method for Airborne Infrared Optical Systems in a Non-Thermal Equilibrium State

M Dong, H Shen, P Jia, Y Sun, C Liang, F Zhang, J Hou - Sensors, 2023 - mdpi.com
Airborne infrared optical systems equipped with multiple cooled infrared cameras are
commonly utilized for quantitative radiometry and thermometry measurements. Radiometric …

[PDF][PDF] 制冷型红外成像系统内部杂散辐射测量方法

常松涛, 孙志远, 张尧禹, 朱玮 - 物理学报, 2015 - wulixb.iphy.ac.cn
杂散辐射是红外光学系统设计和检测过程中涉及的一项重要指标. 为了定量测量红外成像系统
内部杂散辐射, 提出一种基于辐射定标的测量方法, 并通过理论推导和实验验证以说明该方法的 …