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The study of optical frequency-comb laser generated by stimulated Raman scattering 受激拉曼散射产生光频梳激光器的研究
Advanced High-Power Lasers and Applications Pub Date : 2019-01-08 DOI: 10.1117/12.2522459
X. Cai, Zhonghui Li, Dong Liu, J. Bian, Jingwei Guo, Baodong Gai, Shu Hu, Jinbo Liu, Pengyuan Wang, Ying Chen
{"title":"The study of optical frequency-comb laser generated by stimulated Raman scattering","authors":"X. Cai, Zhonghui Li, Dong Liu, J. Bian, Jingwei Guo, Baodong Gai, Shu Hu, Jinbo Liu, Pengyuan Wang, Ying Chen","doi":"10.1117/12.2522459","DOIUrl":"https://doi.org/10.1117/12.2522459","url":null,"abstract":"Stimulated Raman Scattering (SRS) is important method of laser frequency conversion. Optical frequency-comb is a special kind of SRS which output multiple Stokes beam simultaneously, and lasers with mutiple wavelength have broad applications. In this paper, the optical frequency-comb generated by SRS of CO2 is presented and the spectral range covers from 0.4 μm to 1.5 μm. Research also indicates that the characteristics of optical frequency-comb depends on the wavelength of pumping laser. For instance, the SRS photon conversion efficiency pumped by 1064 nm laser is high at 1248nm, 1510nm but that pumped by 532 nm laser is high at 574nm, 624nm 683nm. The different features are compared and analyzed by the use of the mechanism of four-wave mixing and the change of SRS gain coefficient with Stokes wavelength.","PeriodicalId":375593,"journal":{"name":"Advanced High-Power Lasers and Applications","volume":"46 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-01-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127531567","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Effects of rare gas collision partner and pump energy on the four-level Cs exciplex pumped alkali laser 稀有气体碰撞伙伴和泵浦能量对四能级Cs激复合体抽运碱激光器的影响
Advanced High-Power Lasers and Applications Pub Date : 2019-01-03 DOI: 10.1117/12.2521448
D. Carroll, J. W. Zimmerman
{"title":"Effects of rare gas collision partner and pump energy on the four-level Cs exciplex pumped alkali laser","authors":"D. Carroll, J. W. Zimmerman","doi":"10.1117/12.2521448","DOIUrl":"https://doi.org/10.1117/12.2521448","url":null,"abstract":"Experiments operating a Cs D2 line (852.1 nm: 62P3/2→62S1/2) laser, pumped by blue wing absorption of different thermal Cs-rare gas ground state pairs, were analyzed. Using a 10 cm sealed gas cell, the D2 line laser performance is highest for Cs-Ar at 513K, and for Cs-Kr and Cs-Xe at 473 K. Overall, the highest optical-to-optical efficiency measured was 1.1% with a linear slope efficiency of 1.5% for the Cs-Ar collision pair at 513 K. All three Cs-rare gas mixtures show a D2 line laser performance increase with temperature towards a peak efficiency, followed by a decrease as temperature is increased beyond the peak performance point. At lower temperatures ≤453 K the efficiency was highest with Cs-Xe, at 473 K highest with Cs-Kr, whereas at higher temperatures ≥ 493 K the efficiency was highest with Cs-Ar. Measurement of the reduced absorption coefficient for the peak of the blue satellite of the different collision pairs resulted in values of 1.2∙10-36 cm5 for Cs-Ar at 836.7 nm, 2.0∙10-36 cm5 for Cs-Kr at 841.1 nm, and 3.0∙10-36 cm5 for Cs-Xe at 842.7 nm. Simulations of the data using the detailed BLAZE Multiphysics software suite were also performed, which aid in the understanding of the basic physics behind the XPAL system. The simulations indicate that energy pooling significantly inhibits laser performance at higher temperatures above 500 K.","PeriodicalId":375593,"journal":{"name":"Advanced High-Power Lasers and Applications","volume":"19 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-01-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116588085","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 2
A blue random laser based on solid waveguide gain films with plasmonics and scatters 一种基于固体波导增益膜等离子体和散射体的蓝色随机激光器
Advanced High-Power Lasers and Applications Pub Date : 2019-01-03 DOI: 10.1117/12.2522303
Xueyang Li, Shan He, Jingwei Guo, Feng Hong, Shiping Wang, Junxue Liu, Hong Yuan, X. Cai, Shu Hu, Dong Liu, Jinbo Liu, Pengyuan Wang, Yuqi Jin, F. Sang
{"title":"A blue random laser based on solid waveguide gain films with plasmonics and scatters","authors":"Xueyang Li, Shan He, Jingwei Guo, Feng Hong, Shiping Wang, Junxue Liu, Hong Yuan, X. Cai, Shu Hu, Dong Liu, Jinbo Liu, Pengyuan Wang, Yuqi Jin, F. Sang","doi":"10.1117/12.2522303","DOIUrl":"https://doi.org/10.1117/12.2522303","url":null,"abstract":"A blue random laser based on solid waveguide gain films with silver nanoparticles (NPs) and SiO2 NPs is demonstrated. Located surface plasmon resonance (LSPR) property and multiple scattering are proven playing an important role simultaneously.","PeriodicalId":375593,"journal":{"name":"Advanced High-Power Lasers and Applications","volume":"85 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-01-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133823290","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Optical pumped ultra-short pulse CO2 lasers as drivers of laser-plasma accelerators and other applications 光泵浦超短脉冲CO2激光器作为激光等离子体加速器和其他应用的驱动器
Advanced High-Power Lasers and Applications Pub Date : 2019-01-03 DOI: 10.1117/12.2522546
D. Jaroszynski, R. N. Campbell, E. Brunetti, S. Yoffe
{"title":"Optical pumped ultra-short pulse CO2 lasers as drivers of laser-plasma accelerators and other applications","authors":"D. Jaroszynski, R. N. Campbell, E. Brunetti, S. Yoffe","doi":"10.1117/12.2522546","DOIUrl":"https://doi.org/10.1117/12.2522546","url":null,"abstract":"Optically pumped CO2 lasers can operate with high efficiency, high repetition rate and large bandwidths, suitable for producing ultra-short pulses at terawatts to petawatts, in contrast to conventional discharge-pumped CO2 lasers, which are restricted by the requirements of discharge dynamics in high-pressure gas. We show how an optically pumped CO2 laser can be realised and we consider its application in laser-driven acceleration. There is potential to replace conventional transversely excited atmospheric CO2 lasers with diode-pumped solid-state lasers as a pump laser for a high-pressure CO2 gain medium, making it suitable for amplifying ultra-short pulses. We show that by driving a laser plasma wakefield accelerator with an ultra-short pulse CO2 laser, a very high charge, high average current, high energy accelerator can be constructed. This could have a major impact on the application of these novel accelerators and radiation sources based on them.","PeriodicalId":375593,"journal":{"name":"Advanced High-Power Lasers and Applications","volume":"27 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-01-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123645010","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 3
Study on broadening of Na D1 and D2 lines spectra in sodium-argon mixture 钠-氩混合物中Na D1和D2谱线展宽的研究
Advanced High-Power Lasers and Applications Pub Date : 2019-01-03 DOI: 10.1117/12.2522100
Shu Hu, Baodong Gai, Xusheng Xia, Dong Liu, X. Cai, Hong Yuan, Shan He, Haiyang Li, Jinbo Liu, Pengyuan Wang, Ying Chen, Zhonghui Li, Jingwei Guo
{"title":"Study on broadening of Na D1 and D2 lines spectra in sodium-argon mixture","authors":"Shu Hu, Baodong Gai, Xusheng Xia, Dong Liu, X. Cai, Hong Yuan, Shan He, Haiyang Li, Jinbo Liu, Pengyuan Wang, Ying Chen, Zhonghui Li, Jingwei Guo","doi":"10.1117/12.2522100","DOIUrl":"https://doi.org/10.1117/12.2522100","url":null,"abstract":"After the multiphoton ionization of sodium-argon mixture, time-resolved atomic emission spectrum is used to experimentally study the unusual phenomenon of the obviously different broadening between Na D1 and D2 lines spectra. The primary reason for the unusual broadening of Na D2 line is that the spectral line of Ar I 588.9 nm overlays with Na D2 line (589.0 nm) after ionization, and the serious self-absorption on Na D2 line is the secondary reason. Although there is difference of population between 32P3/2 and 32P1/2 states, the experiment result demonstrates that the difference between Na D lines in radiation channel will not affect the broadening of spectral profile.","PeriodicalId":375593,"journal":{"name":"Advanced High-Power Lasers and Applications","volume":"77 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-01-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125039107","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Principle of influence of static and dynamic intracavity gratings on spectral properties of high-power all-solid-state laser’s radiation 静态和动态腔内光栅对大功率全固态激光器光谱特性的影响原理
Advanced High-Power Lasers and Applications Pub Date : 2019-01-03 DOI: 10.1117/12.2522486
A. Pogoda, A. Boreysho
{"title":"Principle of influence of static and dynamic intracavity gratings on spectral properties of high-power all-solid-state laser’s radiation","authors":"A. Pogoda, A. Boreysho","doi":"10.1117/12.2522486","DOIUrl":"https://doi.org/10.1117/12.2522486","url":null,"abstract":"Amplification coefficient gratings, written in a gain medium with laser beams produce the equivalent effect on spectral properties of radiation to static Bragg gratings, so relations of angular and spectral selectivity of volume static gratings can be used for dynamic gratings. This allows control influence on spectral properties.","PeriodicalId":375593,"journal":{"name":"Advanced High-Power Lasers and Applications","volume":"17 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-01-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130741105","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
The ENEA discharge produced plasma extreme ultraviolet source and its patterning applications ENEA放电产生的等离子体极紫外源及其图案化应用
Advanced High-Power Lasers and Applications Pub Date : 2019-01-03 DOI: 10.1117/12.2522469
L. Mezi, S. Bollanti, S. Botti, G. Brusatin, L. Businaro, G. Della Giustina, P. Di Lazzaro, M. Fagnoni, F. Flora, A. Gerardino, D. Murra, S. Protti, A. Torre, E. Torti
{"title":"The ENEA discharge produced plasma extreme ultraviolet source and its patterning applications","authors":"L. Mezi, S. Bollanti, S. Botti, G. Brusatin, L. Businaro, G. Della Giustina, P. Di Lazzaro, M. Fagnoni, F. Flora, A. Gerardino, D. Murra, S. Protti, A. Torre, E. Torti","doi":"10.1117/12.2522469","DOIUrl":"https://doi.org/10.1117/12.2522469","url":null,"abstract":"The main characteristics of the ENEA Discharge Produced Plasma (DPP) Extreme Ultraviolet (EUV) source are presented together with results of irradiations of various materials. The DPP EUV source, based on a Xe–plasma heated up to a temperature of 30 ÷ 40 eV, emits more than 30 mJ/sr/shot at 10 Hz rep. rate in the 10 ÷ 18 nm wavelength spectral range. The DPP is equipped with a debris mitigation system to protect particularly delicate components needed for patterning applications. The ENEA source has been successfully utilized for sub–micrometer pattern generation on photonic materials and on specifically designed chemically amplified resists. Details down to 100 nm have been replicated on such photoresists by our laboratory–scale apparatus for contact EUV lithography. Preliminary EUV irradiations of graphene films aimed at modifying its properties have been also performed.","PeriodicalId":375593,"journal":{"name":"Advanced High-Power Lasers and Applications","volume":"145 2 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-01-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128827679","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
A single-shot near edge x-ray absorption fine structure spectroscopy using double stream gas puff target source 双流气体抽吸靶源单次近边x射线吸收精细结构光谱研究
Advanced High-Power Lasers and Applications Pub Date : 2019-01-03 DOI: 10.1117/12.2522429
M. Duda, P. Wachulak, T. Fok, Ł. Węgrzyński, A. Jancarek, H. Fiedorowicz
{"title":"A single-shot near edge x-ray absorption fine structure spectroscopy using double stream gas puff target source","authors":"M. Duda, P. Wachulak, T. Fok, Ł. Węgrzyński, A. Jancarek, H. Fiedorowicz","doi":"10.1117/12.2522429","DOIUrl":"https://doi.org/10.1117/12.2522429","url":null,"abstract":"Thin organic samples and silicon nitride membrane were measured by means of a single-shot near edge x-ray absorption fine structure (NEXAFS) spectroscopy, using a laboratory laser produced plasma soft x-ray (SXR) source. High power nanosecond laser pulse from an Nd:YAG laser is interacting with a double stream gas puff target, forming krypton/helium plasma. Efficient emission in the \"water window\" spectral region and specially designed grazing incidence SXR spectrometer allow one to obtain simultaneously emission spectrum of the source and transmission spectrum of the investigated sample. Calculated absorption spectrum is then independent of source energy fluctuations and mechanical instabilities. Fine structures near the carbon K-α edge of polyethylene terephthalate (PET) film and ascorbic acid sample, as well as features near nitrogen K-α edge of silicon nitride membrane are revealed. Features near carbon absorption edges are compared with a multishot NEXAFS experiment and numerical simulations. Spectral resolution is comparable with early synchrotron measurements.","PeriodicalId":375593,"journal":{"name":"Advanced High-Power Lasers and Applications","volume":"53 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-01-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115864985","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Output characteristics comparison for cw OIL with different pumping types 连续油管不同泵送方式的输出特性比较
Advanced High-Power Lasers and Applications Pub Date : 2019-01-03 DOI: 10.1117/12.2518417
A. Mezhenin, Evelina I. Kharisova
{"title":"Output characteristics comparison for cw OIL with different pumping types","authors":"A. Mezhenin, Evelina I. Kharisova","doi":"10.1117/12.2518417","DOIUrl":"https://doi.org/10.1117/12.2518417","url":null,"abstract":"The two-level generation model taking into account kinetic and optical losses has been applied to analyze and predict output performances of a continuous-wave oxygen-iodine laser (OIL) with chemical, electric discharge, and optical pumping. A comparative analysis of the calculation results and the experiments for cw OILs with different pumping types has shown the applicability of the model in practically important cases when low losses were ensured. The medium extraction efficiency degree can reach 90% of the potentially attainable for lasers pumped by all mentioned sources. The possibilities of increasing the cw OILs power efficiency have been considered on the basis of operating modes mapping.","PeriodicalId":375593,"journal":{"name":"Advanced High-Power Lasers and Applications","volume":"65 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-01-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114473544","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
High energy 1342 nm electro-optically cavity-dumped laser and picosecond regenerative amplifier 高能1342 nm电光空腔倾倒激光器及皮秒再生放大器
Advanced High-Power Lasers and Applications Pub Date : 2019-01-03 DOI: 10.1117/12.2521770
Ying Chen, Ke Liu, Pengyuan Wang, Baichao Zhang, Jingwei Guo
{"title":"High energy 1342 nm electro-optically cavity-dumped laser and picosecond regenerative amplifier","authors":"Ying Chen, Ke Liu, Pengyuan Wang, Baichao Zhang, Jingwei Guo","doi":"10.1117/12.2521770","DOIUrl":"https://doi.org/10.1117/12.2521770","url":null,"abstract":"We have demonstrated a high peak power electro-optically cavity-dumped (CD) laser and a high energy picosecond regenerative amplifier (RGA) at 1342 nm. Their output power, pulse energy, pulse widths, and peak power were reported, respectively. For CD operation, the maximum pulse energy was 0.308 mJ at 1 kHz with the pulse width of 23.3 ns. The corresponding peak power was 13.2 kW. The maximum pulse energy of 0.243 mJ was extracted from RGA at 1 kHz under the seeded pulse energy of 250 pJ, resulting in its total optical gain of 9.7×105 . Its pulse width was estimated to be 43.8 ps, corresponding to a peak power of 5.55 MW.","PeriodicalId":375593,"journal":{"name":"Advanced High-Power Lasers and Applications","volume":"56 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-01-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115439342","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","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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