Precision evaluation of a laser scalpel prototype: comprehensive testing and compensation analysis for laser spot control

E. Nita; D. Comeaga; M. Avram

doi:10.1117/12.3021517

12 June 2024 Precision evaluation of a laser scalpel prototype: comprehensive testing and compensation analysis for laser spot control

E. Nita, D. Comeaga, M. Avram

Author Affiliations +

Proceedings Volume 13187, Advances in 3OM: Opto-Mechatronics, Opto-Mechanics, and Optical Metrology (3OM 2023); 131870D (2024) https://doi.org/10.1117/12.3021517
Event: Advances in 3OM: Opto-Mechatronics, Opto-Mechanics, and Optical Metrology, 2023, Timisoara, Romania

Abstract

The article proposes the creation of an image processing application dedicated to laser spot detection, along with an experimental setup designed for the scrutiny of laser spot control. In the conclusive phase of testing the optomechatronic device, a specialized setup was intricately crafted for the precise analysis of the laser spot's position. This experimental arrangement involves the device projecting a laser spot onto graph paper positioned 1.5m away. Horizontally positioned on the shaker, controlled vibrations are imparted to the base of the laser scalpel prototype. A high-resolution video camera captures the laser spot's movement at 2160p and 60 frames per second. Following the tests, MATLAB is employed for video processing, revealing the nuances of the laser spot's motion. The initial test introduces a 10 Hz sinusoidal signal to the shaker, inducing oscillations in the laser spot on the graph paper. A brief video, comprising around 660 frames, is recorded, and subsequently processed to validate the optical processing procedure. This comprehensive methodology establishes a robust foundation for assessing the device's performance, ensuring precise compensation for induced vibrations during laser operation. The experimental findings highlight the efficacy of the proposed mechanism in augmenting the precision and stability of laser-based tools, thereby laying the groundwork for advancements in minimally invasive medical interventions.

(2024) Published by SPIE. Downloading of the abstract is permitted for personal use only.

Citation Download Citation

E. Nita, D. Comeaga, and M. Avram "Precision evaluation of a laser scalpel prototype: comprehensive testing and compensation analysis for laser spot control", Proc. SPIE 13187, Advances in 3OM: Opto-Mechatronics, Opto-Mechanics, and Optical Metrology (3OM 2023), 131870D (12 June 2024); https://doi.org/10.1117/12.3021517

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KEYWORDS

Actuators

Laser processing

Beam controllers

Surgery

Video processing

Image processing

Optomechatronics

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