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Special Issue "Laser Scanning and Applications"

A special issue of Sensors (ISSN 1424-8220). This special issue belongs to the section "Optical Sensors".

Deadline for manuscript submissions: closed (1 September 2023) | Viewed by 975

Special Issue Editor

1. 3OM Optomechatronics Group, Faculty of Engineering, Aurel Vlaicu University of Arad, 310130 Arad, Romania
2. Doctoral School, Polytechnic University of Timisoara, 300006 Timisoara, Romania
Interests: optomechatronics; laser systems; biomedical imaging; optical coherence tomography (OCT); measuring systems; optical metrology; materials study; biomaterials characterization
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Laser scanning is utilized in a myriad of applications, from commercial (barcode scanning and printers) to industrial (including laser manufacturing, 3D printing, and optical metrology) and high-end, the latter in biomedical imaging (including confocal microscopy and optical coherence tomography (OCT)), non-destructive testing (NDT), Remote Sensing, and Security and Defense. All such applications involve sensing as a critical aspect.

Laser scanners include the most common galvanometer scanners, fast-rotational polygon mirrors, and refractive systems, such as scanners with lenses or prisms (the latter with the most utilized Risley prisms). Other scanners, such as acousto- or electro–optical, are also of interest. The tendency to miniaturize such devices imposed the development of Micro-Electro–Mechanical Systems (MEMS).

Scanning can be 1D, 2D, 3D, and even 4D, the latter time-included. Scanning modalities include common raster scanning, Lissajous, spiral, Risley-based, or, lately, adaptive scanning—to mention just a few.

All of the above concern the topic of laser scanning and define the aims of this Special Issue. Different aspects are of interest for the development and optimizations of different scanning systems, including optical, mechanical (as mobile, sometimes fast-moving elements are involved; therefore, Finite Element Analysis (FEA) is necessary to assess structural integrity and functional deformations), electro–mechanical design and manufacturing, opto–mechanical (for errors evaluations and measures to tackle them), and control and automation (for precise positioning and control of moving elements). Included research can address theoretical aspects, simulations, and experimental works.

While this forum is open to all researchers, it also provides a selection of papers presented at the 2nd International ConferenceAdvances in 3OM: Opto-Mechatronics, Opto-Mechanics, and Optical Metrology’, Dec. 11-14, 2023, organized in Timisoara, Romania, European Capital of Culture in 2023.

Prof. Dr. Virgil-Florin Duma
Guest Editor

Manuscript Submission Information

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Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2600 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.


  • laser scanning
  • optomechatronics
  • optical devices
  • laser systems
  • galvanometer scanners
  • risley prisms
  • polygon mirrors
  • MEMS and MOEMS
  • Finite Element Analysis (FEA)
  • control and automation
  • imaging techniques
  • Optical Coherence Tomography (OCT)
  • lasers in medicine
  • optical metrology
  • Non-Destructive Testing (NDT)
  • laser manufacturing
  • remote sensing
  • security and defense

Published Papers (1 paper)

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On the Angular Control of Rotating Lasers by Means of Line Calculus on Hyperboloids
Sensors 2023, 23(13), 6126; - 03 Jul 2023
Viewed by 590
We propose a new paradigm for modelling and calibrating laser scanners with rotation symmetry, as is the case for lidars or for galvanometric laser systems with one or two rotating mirrors. Instead of bothering about the intrinsic parameters of a physical model, we [...] Read more.
We propose a new paradigm for modelling and calibrating laser scanners with rotation symmetry, as is the case for lidars or for galvanometric laser systems with one or two rotating mirrors. Instead of bothering about the intrinsic parameters of a physical model, we use the geometric properties of the device to model it as a specific configuration of lines, which can be recovered by a line-data-driven procedure. Compared to universal data-driven methods that train general line models, our algebraic-geometric approach only requires a few measurements. We elaborate the case of a galvanometric laser scanner with two mirrors, that we model as a grid of hyperboloids represented by a grid of 3×3 lines. This provides a new type of look-up table, containing not more than nine elements, lines rather than points, where we replace the approximating interpolation with exact affine combinations of lines. The proposed method is validated in a realistic virtual setting. As a collateral contribution, we present a robust algorithm for fitting ruled surfaces of revolution on noisy line measurements. Full article
(This article belongs to the Special Issue Laser Scanning and Applications)
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