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Multi-Petawatt Laser Overcomes Power Limitations of Conventional Solid-State Optical Gratings

Researchers at the Lawrence Livermore National Laboratory (LLNL) have created a portable multi-petawatt laser that circumvents the power constraints of traditional solid-state optical gratings by using plasma transmission gratings.

22 Aug 2022

Photovoltaic and Photothermal Effects Produced by Laser Radiation in AFM Probes

In a pre-proof article posted in Ultramicroscopy, researchers presented combined photothermal and photovoltaic effects produced by light absorption in the visible spectrum by atomic force microscopy (AFM) probes.

18 Aug 2022

Novel Laser Offers Highly Sensitive Hydrogen Sensing Solution

In an article published in Chemosensors, researchers have proposed a novel continuous-wave distributed feedback (CW-DFB) laser diode for hydrogen (H2) detection.

12 Aug 2022

Study Looks at Advances in Short-Pulse Laser–Induced Breakdown Effect on CCD Detectors

A study published in Optics and Laser Technology discusses charge-coupled devices (CCD), recent advances in short-pulse laser-induced breakdown effects on CCDs, laser damage effects, the influence of laser parameters on CCDs, and the inherent relationship between laser parameters and damage effects. This research lays the theoretical and experimental foundation for future laser protection measures and photoelectric countermeasure systems.

10 Aug 2022

New Femtosecond Laser Percussion Drilling Process Proposed

In a pre-proof article recently published in the journal Optics & Lasers Technology, researchers discussed the utility of machine learning and molecular dynamics in the optimization of the multistage femtosecond laser drilling process.

4 Aug 2022

Novel Heat Treatments Tune Microstructure of Selective Laser Melted Alloys

In a preproof study from the journal Surface and Coatings Technology, researchers developed two heat treatment methods to tune the microstructure of selective laser melted Ti-5Al-5Mo-5V-3Cr-1Zr (Ti-55531) alloy, i.e., aß phase region (aß-STA) and supertransus triplex heat treatment (Triplex-HT).

3 Aug 2022

Study Proposes Unique Laser-Based Gas Sensor

An article published in the journal Sensors demonstrates the combination of using an anti-resonant hollow-core fiber (ARHCF), working as a gas absorption cell, and a quartz tuning fork (QTF), acting as a detector in the quartz-enhanced photothermal spectroscopy (QEPTS) sensor configuration.

3 Aug 2022

Novel Laser Tracking Stations Could Help Reduce Space Debris Collisions

In a pre-proof article posted in the Journal of Space Safety Engineering, researchers discussed and demonstrated the accomplishments of a conceptual study on the potential advancement made in the application of satellite laser ranging (SLR) in the field of space debris.

29 Jul 2022

Study Proposes Simple Fabrication of Laser-Induced Graphene Janus Membrane

In an article published in the journal Desalination, researchers have developed a two-step way of fabricating Laser-Induced Graphene (LIG) Janus membrane for electrothermal membrane distillation.

27 Jul 2022

Nd,Th:LaAlO3 Shows Promising Potential in High-Energy Pulsed Lasers

Research efforts led by Chinese researchers and published in Optics & Laser Technology have demonstrated the first laser operation of perovskite oxide LaAlO3 doped with 0.1 at% Nd ions and 0.2 at% Th (Nd,Th:LaAlO3).

27 Jul 2022