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Passively Q-Switched Ho :YAG Ceramic Laser with a GaAs Saturable Absorber 带有砷化镓可饱和吸收器的无源 Q 开关 Ho :YAG 陶瓷激光器
IF 0.7 4区 物理与天体物理
Journal of Russian Laser Research Pub Date : 2024-05-31 DOI: 10.1007/s10946-024-10200-x
Deqing Niu, Lingyu Jiang, Qixiao Sui, Qingliang Zhang, Yingjie Shen, Ruijun Lan
{"title":"Passively Q-Switched Ho :YAG Ceramic Laser with a GaAs Saturable Absorber","authors":"Deqing Niu,&nbsp;Lingyu Jiang,&nbsp;Qixiao Sui,&nbsp;Qingliang Zhang,&nbsp;Yingjie Shen,&nbsp;Ruijun Lan","doi":"10.1007/s10946-024-10200-x","DOIUrl":"10.1007/s10946-024-10200-x","url":null,"abstract":"<div><p>We report on a passively <i>Q</i>-switched 2 μm Ho :YAG ceramic laser, using pure GaAs as a saturable absorber. At an absorbed pump power of 1.28 W, the highest pulse repetition rate, shortest pulse width, largest single pulse energy, and highest peak power are measured to be 295 kHz, 83 ns, 1.49 μJ and 17.95 W, respectively. To the best of our knowledge, this is the first 2 μm passively <i>Q</i>-switched laser with a pure GaAs absorber, the three-photon absorption is believed to play an important role in the saturable absorption process.</p></div>","PeriodicalId":663,"journal":{"name":"Journal of Russian Laser Research","volume":"45 2","pages":"169 - 173"},"PeriodicalIF":0.7,"publicationDate":"2024-05-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141190115","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Conditional Transformation Operator for Near State Generation 近态生成的条件变换算子
IF 0.7 4区 物理与天体物理
Journal of Russian Laser Research Pub Date : 2024-05-31 DOI: 10.1007/s10946-024-10197-3
E. Nahvifard, M. R. Bazrafkan
{"title":"Conditional Transformation Operator for Near State Generation","authors":"E. Nahvifard,&nbsp;M. R. Bazrafkan","doi":"10.1007/s10946-024-10197-3","DOIUrl":"10.1007/s10946-024-10197-3","url":null,"abstract":"<div><p>We show that by minor modification of the previously proposed procedure for the generation of near-coherent states, one can produce “near states” even from a mixed input state. In this study, we consider this procedure as a conditional quantum-state transformation and find the explicit form of the non-unitary transformation operator. We demonstrate that even in mixed states, this quantum process can produce nonclassical states with a smooth non-positive <i>P</i>-function.</p></div>","PeriodicalId":663,"journal":{"name":"Journal of Russian Laser Research","volume":"45 2","pages":"147 - 154"},"PeriodicalIF":0.7,"publicationDate":"2024-05-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141190113","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Dynamical Symmetry and Generation of Squeezed States of Light 光的动态对称性和挤压态的产生
IF 0.7 4区 物理与天体物理
Journal of Russian Laser Research Pub Date : 2024-05-29 DOI: 10.1007/s10946-024-10198-2
Sergey V. Prants
{"title":"Dynamical Symmetry and Generation of Squeezed States of Light","authors":"Sergey V. Prants","doi":"10.1007/s10946-024-10198-2","DOIUrl":"10.1007/s10946-024-10198-2","url":null,"abstract":"<div><p>Using the Lie-algebraic approach, we develop the theory of generation of squeezed states of light in nonstationary parametric processes of the light interaction with a medium with the quadratic and quartic nonlinearities. The exact solution for the variance of the quadrature component of the field strength is obtained in the case of the quadratic parametric process with the <i>SU</i>(1, 1) dynamical symmetry. We show that decay of the field mode in this processes may have strong impact on squeezing. The solution for the standard deviation of the field strength in the case of the quartic parametric process with the approximated <span>({mathcal{L}}_{5})</span> dynamical symmetry is obtained in the first order of smallness with respect to the nonlinearity parameter.</p></div>","PeriodicalId":663,"journal":{"name":"Journal of Russian Laser Research","volume":"45 2","pages":"155 - 161"},"PeriodicalIF":0.7,"publicationDate":"2024-05-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141172563","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
The Effect of B-Integral on the Propagation of the Annular Array Airy Beam B 积分对环形阵空心波束传播的影响
IF 0.7 4区 物理与天体物理
Journal of Russian Laser Research Pub Date : 2024-05-29 DOI: 10.1007/s10946-024-10206-5
Chao Tan, Tong Lei, Min Zou, Pinghua Tang
{"title":"The Effect of B-Integral on the Propagation of the Annular Array Airy Beam","authors":"Chao Tan,&nbsp;Tong Lei,&nbsp;Min Zou,&nbsp;Pinghua Tang","doi":"10.1007/s10946-024-10206-5","DOIUrl":"10.1007/s10946-024-10206-5","url":null,"abstract":"<div><p>The annular array Airy beam (AAAB) possesses excellent optical properties, and it exhibits great potential in optical particle manipulation, light bullet, and so on. When the power of the laser system is relatively high, the B-integral greatly affects the generation and transmission of AAABs. We numerically study the nonlinear propagation of AAABs based on the Schrödinger equation. The variation of the maximum peak intensity of the AAAB with the nonlinear coefficient at different parameters are discussed. The influence of the truncation coefficient, lateral offsets, scale factor, and rotation factor on the AAAB affected by B-integral are also taken into consideration. We show that the AAAB gradually evolves into solitons in the transmission process as the nonlinear coefficient increases. The intensity of AAAB is altered due to the B-integral, and the effect of the B-integral on the transmission of the AAAB cannot be ignored. The research results will be a great boost to the application of the AAAB in biomedicine, particle manipulation, and various other fields.</p></div>","PeriodicalId":663,"journal":{"name":"Journal of Russian Laser Research","volume":"45 2","pages":"224 - 236"},"PeriodicalIF":0.7,"publicationDate":"2024-05-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141172590","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Continuous-Wave Lasing Characteristics of Ho :GdVO4 Crystal Under Diode-Pumping Architecture 二极管泵浦结构下 Ho :GdVO4 晶体的连续波激光特性
IF 0.7 4区 物理与天体物理
Journal of Russian Laser Research Pub Date : 2024-05-29 DOI: 10.1007/s10946-024-10202-9
Jiaze Wu, Xiaoming Duan, Yu Ding, Wensheng Zhang, Jihe Yuan, Zuochun Shen
{"title":"Continuous-Wave Lasing Characteristics of Ho :GdVO4 Crystal Under Diode-Pumping Architecture","authors":"Jiaze Wu,&nbsp;Xiaoming Duan,&nbsp;Yu Ding,&nbsp;Wensheng Zhang,&nbsp;Jihe Yuan,&nbsp;Zuochun Shen","doi":"10.1007/s10946-024-10202-9","DOIUrl":"10.1007/s10946-024-10202-9","url":null,"abstract":"<div><p>In this paper, we investigate the continuous-wave lasing characteristics of Ho :GdVO<sub>4</sub> crystal under diode-pumping conditions. Using a 1.0 at.%-doped crystal, we obtain the maximum output power equal to 9.0 W at 2047.9 nm, with an absorbed pump power of 28.2 W. The slope efficiency and optical efficiency measured with respect to the absorbed pump power are 50.7% and 31.9%, respectively. In addition, we estimate the beam quality factor at the maximum output level to be about 1.8.</p></div>","PeriodicalId":663,"journal":{"name":"Journal of Russian Laser Research","volume":"45 2","pages":"184 - 188"},"PeriodicalIF":0.7,"publicationDate":"2024-05-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141172565","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Properties of a Partially Coherent Sine Beam in Non-Kolmogorov Turbulence 非科尔莫哥罗夫湍流中部分相干正弦波束的特性
IF 0.7 4区 物理与天体物理
Journal of Russian Laser Research Pub Date : 2024-05-28 DOI: 10.1007/s10946-024-10205-6
Peiying Zhu, Guiqiu Wang, Yan Yin, Haiyang Zhong, Yaochuan Wang, Dajun Liu
{"title":"Properties of a Partially Coherent Sine Beam in Non-Kolmogorov Turbulence","authors":"Peiying Zhu,&nbsp;Guiqiu Wang,&nbsp;Yan Yin,&nbsp;Haiyang Zhong,&nbsp;Yaochuan Wang,&nbsp;Dajun Liu","doi":"10.1007/s10946-024-10205-6","DOIUrl":"10.1007/s10946-024-10205-6","url":null,"abstract":"<div><p>We present the expression of a partially coherent sine beam and derive the propagation equations of such a beam in non-Kolmogorov turbulence. The intensity profiles of the beam in non-Kolmogorov turbulence are simulated and analyzed. The obtained results show that the sinusoidal array profile is destroyed by non-Kolmogorov turbulence and beam parameters during the propagation, and the intensity profile of such a beam becomes a sheet, when <i>a</i> and <i>b</i> are set. The array profile properties of partially coherent sine beams introduced here display new properties, and these beams help free space optical communications.</p></div>","PeriodicalId":663,"journal":{"name":"Journal of Russian Laser Research","volume":"45 2","pages":"216 - 223"},"PeriodicalIF":0.7,"publicationDate":"2024-05-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141172327","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Nonclassical Correlations Via Sharma–Mittal Quantum Discord in Heisenberg XYZ Model With Dzyaloshinskii–Moriya Interaction 带有 Dzyaloshinskii-Moriya 相互作用的海森堡 XYZ 模型中通过 Sharma-Mittal 量子不和谐产生的非经典相关性
IF 0.7 4区 物理与天体物理
Journal of Russian Laser Research Pub Date : 2024-05-27 DOI: 10.1007/s10946-024-10196-4
Rachid Ben hammou, Abdelkebir El Aroui, Nabil Habiballah, Mostafa Nassik
{"title":"Nonclassical Correlations Via Sharma–Mittal Quantum Discord in Heisenberg XYZ Model With Dzyaloshinskii–Moriya Interaction","authors":"Rachid Ben hammou,&nbsp;Abdelkebir El Aroui,&nbsp;Nabil Habiballah,&nbsp;Mostafa Nassik","doi":"10.1007/s10946-024-10196-4","DOIUrl":"10.1007/s10946-024-10196-4","url":null,"abstract":"<div><p>In this paper, we study quantum correlations in a Heisenberg XYZ model with the Dzyaloshinskii–Moriya interaction based on the Sharma–Mittal quantum discord and its limiting cases. The results obtained show that the Sharma–Mittal quantum discord is a faithful quantifier and that the Dzyaloshinskii–Moriya interaction significantly enhances quantum correlations within the bipartite system. In contrast, temperature has the opposite effect, leading to a reduction in the quantity of quantum correlations in the system.</p></div>","PeriodicalId":663,"journal":{"name":"Journal of Russian Laser Research","volume":"45 2","pages":"137 - 146"},"PeriodicalIF":0.7,"publicationDate":"2024-05-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141172324","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Max Phase Chromium–Titanium–Aluminum Carbide for Ultrafast Laser Generation in the 1.55 μm Range 用于产生 1.55 μm 范围超快激光的最大相位铬钛铝碳化物
IF 0.7 4区 物理与天体物理
Journal of Russian Laser Research Pub Date : 2024-05-27 DOI: 10.1007/s10946-024-10199-1
Ahmed Shakir Al-Hiti, Noor Alhuda Mohammed, Mahmood Nabeel, Nabaa Abdul Sattar
{"title":"Max Phase Chromium–Titanium–Aluminum Carbide for Ultrafast Laser Generation in the 1.55 μm Range","authors":"Ahmed Shakir Al-Hiti,&nbsp;Noor Alhuda Mohammed,&nbsp;Mahmood Nabeel,&nbsp;Nabaa Abdul Sattar","doi":"10.1007/s10946-024-10199-1","DOIUrl":"10.1007/s10946-024-10199-1","url":null,"abstract":"<div><p>We formally generate picosecond laser pulses in an Erbium-doped fiber laser (EDFL) by incorporating a new type of a saturable absorber (SA) with Chromium–Titanium–Aluminum carbide (Cr<sub>2</sub>TiAlC<sub>2</sub>). The SA film is prepared by a casting method, using polyvinyl alcohol (PVA) as a host. The novel ultrafast laser operates at 1559.96 nm; the laser pump power range is 164 – 305 mW. Using a 90 : 10 output coupler, the designed laser produces a pulse duration of 2.04 ps and a repetition rate of 1.855 MHz. We obtain a maximum output power of 3.2 mW and a pulse energy of 1.72 nJ at a maximum laser pump power of 305 mW. To the best of our knowledge, this is the first time that a Cr<sub>2</sub>TiAlC<sub>2</sub>-based SA is used to produce ultrashort laser pulses.</p></div>","PeriodicalId":663,"journal":{"name":"Journal of Russian Laser Research","volume":"45 2","pages":"162 - 168"},"PeriodicalIF":0.7,"publicationDate":"2024-05-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141172559","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Stable Ultrashort Pulse Generation Using a Coiled and Tapered Few-Mode-Fiber Polarization Controller as a Saturable Absorber 使用盘绕和锥形少模光纤偏振控制器作为饱和吸收器生成稳定的超短脉冲
IF 0.7 4区 物理与天体物理
Journal of Russian Laser Research Pub Date : 2024-03-15 DOI: 10.1007/s10946-024-10189-3
F. Y. Zhao, X. H. Hu, F. M. Zou, T. Zhang, Y. S. Wang, J. Q. Lan
{"title":"Stable Ultrashort Pulse Generation Using a Coiled and Tapered Few-Mode-Fiber Polarization Controller as a Saturable Absorber","authors":"F. Y. Zhao,&nbsp;X. H. Hu,&nbsp;F. M. Zou,&nbsp;T. Zhang,&nbsp;Y. S. Wang,&nbsp;J. Q. Lan","doi":"10.1007/s10946-024-10189-3","DOIUrl":"10.1007/s10946-024-10189-3","url":null,"abstract":"<div><p>We present a coiled and tapered graded-index few-mode-fiber (FMF) polarization controller (PC) as a saturable absorber (SA) in an all-fiber laser. We obtain the 845 fs ultrashort pulse with a signal-to-noise ratio (SNR) of 65 dB, using a tapered graded-index FMF of 40 cm in the cavity. The spectrum is centered at 1588.2 nm with a 3 dB spectral bandwidth of 4.04 nm. Furthermore, a <i>Q</i>-switched mode-locked state is observed between 140 and 360 mW of the pump power in the cavity. The results further demonstrate the application of a coiled and tapered graded-index FMF PC as a SA for stable high-energy ultrashort pulse formation and provide a technical method for generating ultrashort pulses.</p></div>","PeriodicalId":663,"journal":{"name":"Journal of Russian Laser Research","volume":"45 1","pages":"66 - 73"},"PeriodicalIF":0.7,"publicationDate":"2024-03-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140147790","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Numerical Simulation and Experimental Study of Nanosecond Pulsed Laser Cleaning of Aluminum Alloy Surface Paint Layer 铝合金表面漆层的纳秒脉冲激光清洗数值模拟与实验研究
IF 0.7 4区 物理与天体物理
Journal of Russian Laser Research Pub Date : 2024-03-15 DOI: 10.1007/s10946-024-10193-7
Tanghao Wang, Shanman Lu, Hanqi Liu, Jun Ying, Wei Zhang
{"title":"Numerical Simulation and Experimental Study of Nanosecond Pulsed Laser Cleaning of Aluminum Alloy Surface Paint Layer","authors":"Tanghao Wang,&nbsp;Shanman Lu,&nbsp;Hanqi Liu,&nbsp;Jun Ying,&nbsp;Wei Zhang","doi":"10.1007/s10946-024-10193-7","DOIUrl":"10.1007/s10946-024-10193-7","url":null,"abstract":"<div><p>In this paper, we present a finite element model that utilizes simulation software to simulate the process of moving nanosecond pulsed laser cleaning on the surface paint layer of 2A12 Aluminum alloy. The objective is to analyze the impact of different laser parameters on the distribution of temperature field within both the paint layer and the substrate surface. Furthermore, we perform experimental validation to verify the findings. The results assume that both laser power and scanning speed influence the outcomes of the cleaning process. At a constant scanning speed, the maximum temperature of both the paint surface and the substrate surface linearly increases with rising laser power. In contrast, at a fixed laser power, the scanning speed influences cleaning outcomes through spot overlap, and the surface temperature of the paint layer rises as the scanning speed decreases. The optimum cleaning effect, with a surface roughness (Ra) of 1.0139 μm, is achieved at a scanning speed of 2500 mm/s and a laser power of 30 W. The surface roughness exhibits first a decrease and then increase pattern with rising laser power. These findings offer valuable insights into process parameters for nanosecond pulsed laser cleaning of surface paint layers on Aluminum alloy.</p></div>","PeriodicalId":663,"journal":{"name":"Journal of Russian Laser Research","volume":"45 1","pages":"106 - 116"},"PeriodicalIF":0.7,"publicationDate":"2024-03-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140147669","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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