State of art: Review on laser surface hardening of alloy metals

C Jegadheesan, P Somasundaram, P Kumar… - Materials Today …, 2023 - Elsevier
Surface hardening treatments are performed to increase the hardness, wear resistance,
durability and their micro structural properties. After the development of High-Powered …

An approach to modelling defocusing and keyhole reflectivity in keyhole laser processes

P Stavropoulos, G Pastras, K Tzimanis… - … International Journal of …, 2024 - Springer
Keyhole laser-based processes have been adopted widely due to the high-quality welds
and cuts that they produce and the accurately controlled dimensions of the end part. Fast …

[HTML][HTML] Low temperature spectrum of a fiber loop laser

E Buks - Physics Letters A, 2023 - Elsevier
Fiber-based multi-wavelength lasers have a variety of important applications in
telecommunication and meteorology. We experimentally study a fiber loop laser with an …

Intermode coupling in a fiber loop laser at low temperatures

E Buks - Journal of Lightwave Technology, 2023 - ieeexplore.ieee.org
We experimentally study an unequally-spaced optical comb (USOC), which is generated by
a unidirectional fiber loop laser operated at low temperatures. The underlying mechanism …

A dual-wavelength fiber laser sensor with temperature and strain discrimination

A Sanchez-Gonzalez, RA Perez-Herrera… - Sensors, 2022 - mdpi.com
This work presents a dual-wavelength C-band erbium-doped fiber laser assisted by an
artificial backscatter reflector. This fiber-based reflector, inscribed by femtosecond laser …

Dual-wavelength random fiber laser incorporating micro-air cavity

NM Yusoff, KY Lau, NHZ Abidin, YM Kamil… - Journal of …, 2020 - iopscience.iop.org
A dual-wavelength random distributed feedback fiber laser with external micro-air cavity
(MAC) is experimentally demonstrated. The structure that comprises of a fixed 200 μm air …

In-plane ESPI using an achromatic interferometer with low-coherence laser source

GS Schajer, Y Zhang, S Melamed - Optics and Lasers in Engineering, 2015 - Elsevier
The use of an achromatic interferometer is explored as a means of doing in-plane ESPI
measurements using a laser diode as the light source. This interferometer type, which uses …

7-Wavelength Pulsed Laser System

AI Lyashenko, MO Sharikova… - … Electronics and its …, 2022 - ieeexplore.ieee.org
We report on the laser system generating pulsed coherent radiation of seven wavelengths in
short-wave infrared and visible ranges: 1572 nm, 1064 nm, 786 nm, 635 nm, 532 nm, 524 …

Multiwavelength laser with adjustable ultranarrow wavelength spacing

CH Chang, PC Peng, RK Shiu, JJ Jhang… - IEEE Photonics …, 2016 - ieeexplore.ieee.org
This paper investigates the use of a dual wavelength laser source, a frequency shifter, an
erbium-doped fiber amplifier, and an optical filter to compose a multiwavelength fiber laser …

A dual-wavelength fiber laser sensor with temperature and strain discrimination

A Sánchez Herrera, RA Pérez Herrera… - 2022 - repositorio.unican.es
This work presents a dual-wavelength C-band erbium-doped fiber laser assisted by an
artificial backscatter reflector. This fiber-based reflector, inscribed by femtosecond laser …