Advances in multipass cell for absorption spectroscopy-based trace gas sensing technology

Y Liu, Y Ma - Chinese Optics Letters, 2023 - opg.optica.org
In the field of absorption spectroscopy, the multipass cell (MPC) is one of the key elements. It
has the advantages of simple structure, easy adjustment, and high spectral coverage, which …

Compact, spherical mirror-based dense astigmatic-like pattern multipass cell design aided by a genetic algorithm

A Hudzikowski, A Głuszek, K Krzempek, J Sotor - Optics Express, 2021 - opg.optica.org
We propose a unique way to design multipass cells (MPCs), which combines cost-efficient
spherical mirrors with the high-density pattern of astigmatic mirrors. Such functionality was …

Optical design and analysis of a two-spherical-mirror-based multipass cell

R Kong, T Sun, P Liu, X Zhou - Applied Optics, 2020 - opg.optica.org
A systematic method for the optical design and analysis of a multipass cell (MPC) with two
spherical mirrors is presented. By varying the parameters, including the distance between …

Generalized optical design and optimization of multipass cells with independent circle patterns based on the Monte Carlo and Nelder-Mead simplex algorithms

J Liu, Y Chen, L Xu, R Kong, P Liu, X Zhou - Optics Express, 2021 - opg.optica.org
In this paper, we propose an automatic approach to optimize the multipass cell (MPC)
design with independent circle patterns. First, the Monte Carlo algorithm is performed to …

General design method for ultralong optical path length multipass matrix cells

Y Gai, W Li, K Yi, X Ou, Z Huang, P Liu, X Zhou - Optics Express, 2025 - opg.optica.org
For what we believe to be the first time, we propose a general design method for ultralong
optical path length (OPL) multipass matrix cells (MMCs) based on the multicycle mode of two …