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Mohammed K. Awsaj, Thamer Fahad Al-Mashhadani, Mohammed Kamil Salh Al-Mashhadani, Rabi Noori Hammudi, Ali yaseen Ali, Mohad Saiful Dzulkefly Zan and Norhana Arsad
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Maria Michalska, Jakub Michalski, Pawel Grzes and Jacek Swiderski
We demonstrate a thulium-doped, mode-locked, all-fiber laser capable of operating in two generation regimes: dispersion-managed soliton and noise-like pulse (NLP). Employing a nonlinear optical loop mirror as an artificial saturable absorber, the oscilla...
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Sunghyun So, Nakwon Jeong, Aran Song, Jungho Hwang, Daehae Kim and Changyeop Lee
It is important to monitor the temperature and H2O concentration in a large combustion environment in order to improve combustion (and thermal) efficiency and reduce harmful combustion emissions. However, it is difficult to simultaneously measure both in...
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Zhechao Qu, Javis A. Nwaboh, Gang Li, Olav Werhahn and Volker Ebert
We determine the CO2, N2, Ar, O2 and air pressure broadening coefficients of the H35Cl P(5) absorption line at 2775.77 cm-1 in the fundamental (1?0) band using a newly developed direct tunable diode laser absorption spectroscopy (dTDLAS)-based spectromet...
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Jinho Lee and Ju Han Lee
This study reports a Q-switching-based, 2058-nm holmium (Ho) fiber laser incorporating a saturable absorber (SA) based on graphene oxide (GO). The SA was prepared with a side-polished fiber, while GO particles were deposited onto the fiber-polished surfa...
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Mario García de Blas, Morten Andreas Geday, Jose Manuel Otón and Xabier Quintana Arregui
Electrically tunable phase gratings are able to steer an incoming light beam without employing movable parts. Here, we present the design and implementation of a 2D beam steering device by cascading two orthogonal 1D liquid crystal (LC) based phase grati...
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Xinlin Lv, Junchi Chen, Yujie Peng, Zhiyuan Huang, Yingbin Long, Xinliang Wang, Guanting Liu and Yuxin Leng
We demonstrate a discretely tunable multiwavelength visible laser through second harmonic generation (SHG) and sum frequency generation (SFG) of multiorder Stokes lasers generated from an external Raman laser oscillator. The Raman laser oscillator, drive...
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Nuannuan Shi, Tengfei Hao, Wei Li and Ming Li
A compact multifrequency measurement system based on frequency-to-time mapping technology is proposed and experimentally demonstrated using an integrated frequency scanning signal generator. The relationship between the input microwave frequency and the ...
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Ting Feng, Yunhao Zhu, Kenneth M. Kozloff, Basma Khoury, Yejing Xie, Xueding Wang, Meng Cao, Jie Yuan, Dean Ta and Qian Cheng
In this study, the feasibility of assessing the chemical composition in bone using the multi-wavelength photoacoustic analysis (MWPA) method was investigated. By illuminating a bone specimen using laser light with a wavelength tunable over an optical spe...
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Federico Nguyen, Axel Bernhard, Antoine Chancé, Marie-Emmanuelle Couprie, Giuseppe Dattoli, Christoph Lechner, Alberto Marocchino, Gilles Maynard, Alberto Petralia and Andrea Renato Rossi
Over the past 90 years, particle accelerators have evolved into powerful and widely used tools for basic research, industry, medicine, and science. A new type of accelerator that uses plasma wakefields promises gradients as high as some tens of billions ...
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