Ralf Hellmann

According to our database1, Ralf Hellmann authored at least 16 papers between 2012 and 2022.

Collaborative distances:
  • Dijkstra number2 of five.
  • Erdős number3 of four.

Timeline

Legend:

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PhD thesis 
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Links

On csauthors.net:

Bibliography

2022
Image Processing Algorithm for In Situ Monitoring Fiber Laser Remote Cutting by a High-Speed Camera.
Sensors, 2022

Edge effects in radial porosity profiles from CT measurements and melt pool signal intensities for laser powder bed fusion.
CoRR, 2022

2021
Deep UV Formation of Long-Term Stable Optical Bragg Gratings in Epoxy Waveguides and Their Biomedical Sensing Potentials.
Sensors, 2021

Laser Cut Interruption Detection from Small Images by Using Convolutional Neural Network.
Sensors, 2021

Simultaneous Burr and Cut Interruption Detection during Laser Cutting with Neural Networks.
Sensors, 2021

2020
Microstructure-Based Fiber-To-Chip Coupling of Polymer Planar Bragg Gratings for Harsh Environment Applications.
Sensors, 2020

2019
Multipurpose Polymer Bragg Grating-Based Optomechanical Sensor Pad.
Sensors, 2019

Optical Sensor for Real-Time Detection of Trichlorofluoromethane.
Sensors, 2019

2018
Investigation on shear and tensile strength of laser welded electrical sheet stacks.
Proceedings of the 14th IEEE International Conference on Automation Science and Engineering, 2018

2017
UV-Writing of a Superstructure Waveguide Bragg Grating in a Planar Polymer Substrate.
Sensors, 2017

Waveguide Bragg Gratings in Ormocer<sup>®</sup>s for Temperature Sensing.
Sensors, 2017

2016
Towards 1-component Bragg-grating based shape sensing.
Proceedings of the 19th International Conference on Information Fusion, 2016

2015
Simultaneous 2D Strain Sensing Using Polymer Planar Bragg Gratings.
Sensors, 2015

2014
Characterization of Laser Beam Shaping Optics Based on Their Ablation Geometry of Thin Films.
Micromachines, 2014

Micromachining of AlN and Al<sub>2</sub>O<sub>3</sub> Using Fiber Laser.
Micromachines, 2014

2012
Highly Sensitive Detection of Naphthalene in Solvent Vapor Using a Functionalized PBG Refractive Index Sensor.
Sensors, 2012


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