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Detection of methane in the air using a laser Raman spectrometer 用激光拉曼光谱仪检测空气中的甲烷
Atomic and Molecular Pulsed Lasers Pub Date : 2021-12-02 DOI: 10.1117/12.2614028
M. A. Kostenko, D. Petrov, M. Popova, A. Tanichev
{"title":"Detection of methane in the air using a laser Raman spectrometer","authors":"M. A. Kostenko, D. Petrov, M. Popova, A. Tanichev","doi":"10.1117/12.2614028","DOIUrl":"https://doi.org/10.1117/12.2614028","url":null,"abstract":"This paper demonstrates the results of measuring the concentration of methane in atmospheric air using the developed laser Raman spectrometer. The integrated intensity method is used to determine concentrations from experimental spectra. Two methods of background correction near the methane peak are considered. It was found that the sensitivity limit of the spectrometer is less than 100 ppb. A comparison between measurements obtained using the presented setup and the CRDS gas analyzer showed sufficient agreement.","PeriodicalId":205170,"journal":{"name":"Atomic and Molecular Pulsed Lasers","volume":"49 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-12-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122665766","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
Wireless underwater optical communication with quantum key distribution 基于量子密钥分配的水下无线光通信
Atomic and Molecular Pulsed Lasers Pub Date : 2021-12-02 DOI: 10.1117/12.2601666
P. Titovets, S. Kazantsev, N. Miroshnikova, A. A. Podgorny
{"title":"Wireless underwater optical communication with quantum key distribution","authors":"P. Titovets, S. Kazantsev, N. Miroshnikova, A. A. Podgorny","doi":"10.1117/12.2601666","DOIUrl":"https://doi.org/10.1117/12.2601666","url":null,"abstract":"The results of experimental modeling of a wireless optical communication channel in an aquatic environment are presented, which were carried out on the basis of a laboratory installation for underwater communication, developed at MTUCI. The possibility of creating cheap and compact optical communication systems for high-speed data transmission at distances up to 100 m has been demonstrated. The necessity of using the technology of quantum key distribution for information security is shown. The key elements required for the implementation of the quantum distribution of cryptographic keys in the ocean are analyzed.","PeriodicalId":205170,"journal":{"name":"Atomic and Molecular Pulsed Lasers","volume":"6 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-12-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131463807","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: 5
Three-stage power supply with a pulsed charge of the storage capacitance for metal vapor lasers 金属蒸汽激光器用脉冲电荷存储电容的三级电源
Atomic and Molecular Pulsed Lasers Pub Date : 2021-12-02 DOI: 10.1117/12.2616665
D. Shiyanov, Viktor A. Dimaki, M. Trigub, P. Gembukh, V. O. Troitskii
{"title":"Three-stage power supply with a pulsed charge of the storage capacitance for metal vapor lasers","authors":"D. Shiyanov, Viktor A. Dimaki, M. Trigub, P. Gembukh, V. O. Troitskii","doi":"10.1117/12.2616665","DOIUrl":"https://doi.org/10.1117/12.2616665","url":null,"abstract":"The paper presents the experimental results of developing a power supply for metal vapor lasers excitation which include three separate pump sources. Source control is carried out using a PC with developed software, which provides flexible configuration of excitation parameters. The use of three sources allows increasing the excitation power while maintaining comfortable operation conditions for the switch. Waveforms of the sources operation in the separate and simultaneous operating modes are presented. The main parameters of the discharge are estimated.","PeriodicalId":205170,"journal":{"name":"Atomic and Molecular Pulsed Lasers","volume":"12 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-12-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132630846","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
Plasmonic jets and hooks: towards manipulation of light at the nanoscale 等离子射流和钩子：在纳米尺度上操纵光
Atomic and Molecular Pulsed Lasers Pub Date : 2021-12-02 DOI: 10.1117/12.2599503
I. Minin, P. Baranov, I. Zatonov, C. Liu, Shuo-Chih Chien, O. Minin
{"title":"Plasmonic jets and hooks: towards manipulation of light at the nanoscale","authors":"I. Minin, P. Baranov, I. Zatonov, C. Liu, Shuo-Chih Chien, O. Minin","doi":"10.1117/12.2599503","DOIUrl":"https://doi.org/10.1117/12.2599503","url":null,"abstract":"We report on our recent approaches focused on the formation of a new class of subwavelength scale self-bending light beams, discovered in 2015, in application to in-plane surface plasmon. For the particle with broken symmetry (Janus particle) the morphology of the field localization area depends on the orientation of the particle that resembles the two faces of “Janus bifrons”. Photonic hook (PH) light do not propagate along straight line but instead follow curved trajectory. Wavefront analysis of such asymmetric mesoscale structure reveals that the unequal phase of the transmitted plane wave results in the irregularly concave deformation of the wavefront inside the structure that then leads to creation of the PH. Such dielectric structures enabling the realization of ultracompact wavelength-scaled and wavelength selective new inplane nanophotonic components.","PeriodicalId":205170,"journal":{"name":"Atomic and Molecular Pulsed Lasers","volume":"10 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-12-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129203093","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
Performance analysis of multilayer Ge/Si photodetector with quantum dots 基于量子点的多层Ge/Si光电探测器性能分析
Atomic and Molecular Pulsed Lasers Pub Date : 2021-12-02 DOI: 10.1117/12.2613454
R. Douhan, A. Kokhanenko, K. Lozovoy
{"title":"Performance analysis of multilayer Ge/Si photodetector with quantum dots","authors":"R. Douhan, A. Kokhanenko, K. Lozovoy","doi":"10.1117/12.2613454","DOIUrl":"https://doi.org/10.1117/12.2613454","url":null,"abstract":"This paper reports results of a theoretical study of multilayer Ge/Si infrared photodetector parameters calculations, these calculations are of certain characteristics of detectors such as: dark current photocurrent and detectivity.","PeriodicalId":205170,"journal":{"name":"Atomic and Molecular Pulsed Lasers","volume":"20 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-12-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127034112","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
Experimental comparison of mercury cadmium telluride photodetectors with nitrogen liquid cooling and thermoelectric cooling 氮液冷和热电冷却的碲化汞镉光电探测器的实验比较
Atomic and Molecular Pulsed Lasers Pub Date : 2021-12-02 DOI: 10.1117/12.2616212
A. Karapuzikov, A. Klimkin, G. Kokhanenko, T. Kuraeva, A. Kurjak, A. Lugovskoi, A. Markelov, K. Osipov, Yu. G. Ponomarev, Shuo Zhang
{"title":"Experimental comparison of mercury cadmium telluride photodetectors with nitrogen liquid cooling and thermoelectric cooling","authors":"A. Karapuzikov, A. Klimkin, G. Kokhanenko, T. Kuraeva, A. Kurjak, A. Lugovskoi, A. Markelov, K. Osipov, Yu. G. Ponomarev, Shuo Zhang","doi":"10.1117/12.2616212","DOIUrl":"https://doi.org/10.1117/12.2616212","url":null,"abstract":"In this work, photodetectors with a built-in cooling system based on Peltier elements and with a cooling system based on a Dewar flask filled with liquid nitrogen are experimentally studied with the aim of practical estimation and comparison of capabilities of the photodetectors with different photosensitive element cooling types.","PeriodicalId":205170,"journal":{"name":"Atomic and Molecular Pulsed Lasers","volume":"54 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-12-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127034138","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
Numerical simulation of the ZnSe crystal doping profile influence on the threshold for the parasitic lasing development in a disk ZnSe:Fe2+ laser ZnSe晶体掺杂谱线对圆盘型ZnSe:Fe2+激光器寄生激光发展阈值影响的数值模拟
Atomic and Molecular Pulsed Lasers Pub Date : 2021-12-02 DOI: 10.1117/12.2606948
E. E. Alekseev, N. Andronova, S. Kazantsev, O. Kolesnikov, S. V. Podlesnikh
{"title":"Numerical simulation of the ZnSe crystal doping profile influence on the threshold for the parasitic lasing development in a disk ZnSe:Fe2+ laser","authors":"E. E. Alekseev, N. Andronova, S. Kazantsev, O. Kolesnikov, S. V. Podlesnikh","doi":"10.1117/12.2606948","DOIUrl":"https://doi.org/10.1117/12.2606948","url":null,"abstract":"The results of computer simulation by the finite element method of thermoelastic stresses arising during pulsed pumping in ZnSe:Fe disk laser crystals with a different doping profile are presented. The thresholds for the occurrence of parasitic generation in a disk ZnSe:Fe laser are numerically analyzed at these doping profiles. Based on the maximum output pulse energy in a ZnSe:Fe laser and the maximum distortion of the optical density of the active element, different doping profiles were compared.","PeriodicalId":205170,"journal":{"name":"Atomic and Molecular Pulsed Lasers","volume":"36 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-12-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126705630","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
Channeling of femtosecond laser pulses in the turbulent atmosphere 飞秒激光脉冲在湍流大气中的通道
Atomic and Molecular Pulsed Lasers Pub Date : 2021-12-02 DOI: 10.1117/12.2601906
A. Zemlyanov, O. Minina
{"title":"Channeling of femtosecond laser pulses in the turbulent atmosphere","authors":"A. Zemlyanov, O. Minina","doi":"10.1117/12.2601906","DOIUrl":"https://doi.org/10.1117/12.2601906","url":null,"abstract":"An efficient model of multiple filamentation is described, which makes it possible to carry out estimated calculations and numerical experiments that simulate the effect of a turbulent atmosphere on the characteristics of femtosecond laser beams. The results of numerical experiments on the formation of a beam of optical filaments during the propagation of terawatt pulses of a titanium-sapphire laser under conditions of weak and moderate turbulence are presented. It is shown that, at moderate turbulence, the channeling mode for large (with a radius of 0.8 to 1 cm) intensity inhomogeneities in the initial profile of the laser beam is retained at distances of hundreds of meters. This occurs even when the value of the relative peak power of laser pulses exceeds the value of the critical self-focusing power no more than 1.5 times. It is found that the dependence of the relative radius of the laser beam on the propagation distance, normalized to the corresponding scale, remains constant on average.","PeriodicalId":205170,"journal":{"name":"Atomic and Molecular Pulsed Lasers","volume":"43 2","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-12-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114130620","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
Physiological action of UVB radiation on wheat sprouts (Triticum aestivum L.) UVB辐射对小麦芽的生理作用
Atomic and Molecular Pulsed Lasers Pub Date : 2021-12-02 DOI: 10.1117/12.2605104
E. Sosnin, A. Burenina, E. Surnina, Yulia Y. Fadeeva, Tat'ana Astaphyrova
{"title":"Physiological action of UVB radiation on wheat sprouts (Triticum aestivum L.)","authors":"E. Sosnin, A. Burenina, E. Surnina, Yulia Y. Fadeeva, Tat'ana Astaphyrova","doi":"10.1117/12.2605104","DOIUrl":"https://doi.org/10.1117/12.2605104","url":null,"abstract":"This work continues the cycle of our research on the physiological effect of UVB radiation on plants. The physiological effect of UVB radiation (308 nm, doses of 0.5, 1.4 and 2.7 J/cm2) on the structural and functional characteristics of wheat seedlings was determined. With an increase in the radiation dose, a decrease in plant height, leaf area and the amount of photosynthetic pigments was revealed, photosynthesis parameters decreased, and the content of low-molecular- weight antioxidants increased. This means that UVB priming of wheat sprouts should be carried out at even lower doses than were selected in the experiments.","PeriodicalId":205170,"journal":{"name":"Atomic and Molecular Pulsed Lasers","volume":"79 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-12-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133281625","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
Laser spectroscopy of interactions of carbon nanoparticles with biomacromolecules 纳米碳与生物大分子相互作用的激光光谱研究
Atomic and Molecular Pulsed Lasers Pub Date : 2021-12-02 DOI: 10.1117/12.2608152
K. Laptinskiy, S. Burikov, M. Khmeleva, T. Dolenko
{"title":"Laser spectroscopy of interactions of carbon nanoparticles with biomacromolecules","authors":"K. Laptinskiy, S. Burikov, M. Khmeleva, T. Dolenko","doi":"10.1117/12.2608152","DOIUrl":"https://doi.org/10.1117/12.2608152","url":null,"abstract":"CARS method was used to study the interactions of biomacromolecules with carbon dots synthesized by the hydrothermal method. A significant effect of CDs on molecular bonds in DNA chains during their interaction in water was found. As a result of the analysis of the obtained CARS DNA spectra before and after their interactions with nanoparticles in water, markers were identified that indicate the presence of oxidative stress on DNA strands in the presence of CDs.","PeriodicalId":205170,"journal":{"name":"Atomic and Molecular Pulsed Lasers","volume":"121 3 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-12-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128492668","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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