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Ukrainian Journal of Physical Optics最新文献

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Triple-cation perovskite/silicon tandem solar cell 三阳离子钙钛矿/硅串联太阳能电池
IF 3.9 4区 物理与天体物理
Ukrainian Journal of Physical Optics Pub Date : 2022-01-01 DOI: 10.3116/16091833/23/4/193/2022
S. Ašmontas, J. Gradauskas, A. Grigucevičienė, K. Leinartas, A. Lucun, M. Mujahid, K. Petrauskas, A. Selskis, A. Sužiedėlis, A. Silenas, E. Sirmulis
{"title":"Triple-cation perovskite/silicon tandem solar cell","authors":"S. Ašmontas, J. Gradauskas, A. Grigucevičienė, K. Leinartas, A. Lucun, M. Mujahid, K. Petrauskas, A. Selskis, A. Sužiedėlis, A. Silenas, E. Sirmulis","doi":"10.3116/16091833/23/4/193/2022","DOIUrl":"https://doi.org/10.3116/16091833/23/4/193/2022","url":null,"abstract":"","PeriodicalId":23397,"journal":{"name":"Ukrainian Journal of Physical Optics","volume":null,"pages":null},"PeriodicalIF":3.9,"publicationDate":"2022-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"69617192","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: 1
Phase-unwrapping method based on phase-gradient estimation and energy equation 基于相位梯度估计和能量方程的相位展开方法
IF 3.9 4区 物理与天体物理
Ukrainian Journal of Physical Optics Pub Date : 2022-01-01 DOI: 10.3116/16091833/23/4/201/2022
Man Yan, Juanjuan Luo, Defa Hu
{"title":"Phase-unwrapping method based on phase-gradient estimation and energy equation","authors":"Man Yan, Juanjuan Luo, Defa Hu","doi":"10.3116/16091833/23/4/201/2022","DOIUrl":"https://doi.org/10.3116/16091833/23/4/201/2022","url":null,"abstract":"","PeriodicalId":23397,"journal":{"name":"Ukrainian Journal of Physical Optics","volume":null,"pages":null},"PeriodicalIF":3.9,"publicationDate":"2022-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"69616761","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
Infrared and visible image fusion using intensity transfer and phase congruency in nonsubsampled shearlet transform domain 基于非下采样剪切波变换域的强度转移和相位一致性的红外与可见光图像融合
IF 3.9 4区 物理与天体物理
Ukrainian Journal of Physical Optics Pub Date : 2022-01-01 DOI: 10.3116/16091833/23/4/215/2022
Xin Feng, Haibo Gao, C. Zhang, Juanjuan Luo
{"title":"Infrared and visible image fusion using intensity transfer and phase congruency in nonsubsampled shearlet transform domain","authors":"Xin Feng, Haibo Gao, C. Zhang, Juanjuan Luo","doi":"10.3116/16091833/23/4/215/2022","DOIUrl":"https://doi.org/10.3116/16091833/23/4/215/2022","url":null,"abstract":"","PeriodicalId":23397,"journal":{"name":"Ukrainian Journal of Physical Optics","volume":null,"pages":null},"PeriodicalIF":3.9,"publicationDate":"2022-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"69617461","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: 1
Hazelnut quality detection based on deep learning and near-infrared spectroscopy 基于深度学习和近红外光谱的榛子质量检测
IF 3.9 4区 物理与天体物理
Ukrainian Journal of Physical Optics Pub Date : 2022-01-01 DOI: 10.3116/16091833/23/4/267/2022
Dandan Li, Dongyan Zhang, Dapeng Jiang, Junjie Cao, Jiuqing Liu
{"title":"Hazelnut quality detection based on deep learning and near-infrared spectroscopy","authors":"Dandan Li, Dongyan Zhang, Dapeng Jiang, Junjie Cao, Jiuqing Liu","doi":"10.3116/16091833/23/4/267/2022","DOIUrl":"https://doi.org/10.3116/16091833/23/4/267/2022","url":null,"abstract":"","PeriodicalId":23397,"journal":{"name":"Ukrainian Journal of Physical Optics","volume":null,"pages":null},"PeriodicalIF":3.9,"publicationDate":"2022-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"69617637","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
Polarization of diffracted optical wave in the case of acousto-optic diffraction on the longitudinal acoustic wave in fused silica 熔融石英中纵向声波声光衍射情况下衍射光波的偏振
IF 3.9 4区 物理与天体物理
Ukrainian Journal of Physical Optics Pub Date : 2021-02-01 DOI: 10.3116/16091833/22/1/61/2021
O. Krupych, I. Martynyuk-Lototska, I. Orykhivskyi, M. Kostyrko, R. Vlokh
{"title":"Polarization of diffracted optical wave in the case of acousto-optic diffraction on the longitudinal acoustic wave in fused silica","authors":"O. Krupych, I. Martynyuk-Lototska, I. Orykhivskyi, M. Kostyrko, R. Vlokh","doi":"10.3116/16091833/22/1/61/2021","DOIUrl":"https://doi.org/10.3116/16091833/22/1/61/2021","url":null,"abstract":". We report on polarimetric studies for the diffracted light originated from acousto-optic (AO) diffraction at a longitudinal acoustic wave. A particular case of intermediate Bragg–Raman–Nath diffraction regime in fused silica is considered. We find that for the incident circularly polarized optical waves the ellipticity of the diffracted wave is determined by the ratio of elasto-optic coefficients p 11 and p 12 , while for the incident linearly polarized waves this ratio is determined by the azimuth of diffracted wave. The ratio of coefficients determined in this way agrees well with the literature data. We detect a small deviation from linear polarization for the diffracted optical waves under condition when the incident waves are linearly polarized. This deviation can be caused by changing phase difference of the diffracted eigenmodes.","PeriodicalId":23397,"journal":{"name":"Ukrainian Journal of Physical Optics","volume":null,"pages":null},"PeriodicalIF":3.9,"publicationDate":"2021-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"49584073","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
Vibrational spectra of quercetin and their interpretation with quantum-mechanical density-functional method 槲皮素的振动谱及其量子力学密度泛函解释
IF 3.9 4区 物理与天体物理
Ukrainian Journal of Physical Optics Pub Date : 2021-01-01 DOI: 10.3116/16091833/22/4/181/2021
S. Kutovyy, R. Savchuk, N. Bashmakova, O. Stanovyi, L. Palchykivska
{"title":"Vibrational spectra of quercetin and their interpretation with quantum-mechanical density-functional method","authors":"S. Kutovyy, R. Savchuk, N. Bashmakova, O. Stanovyi, L. Palchykivska","doi":"10.3116/16091833/22/4/181/2021","DOIUrl":"https://doi.org/10.3116/16091833/22/4/181/2021","url":null,"abstract":". Experimental vibrational (Raman and IR-absorption) spectra are obtained for microcrystalline powder of quercetin in the spectral range of 400−1800 cm −1 at the room temperature. Optimized geometries of two stable isomers of quercetin molecule are calculated with a density-functional method at the level CAM B3LYP/6-311++G(d,p). The isomers have an almost planar frame structure and differ by mirror orientations of one of the rings with respect to the other rings. Vibrational spectra of the isomers are calculated in harmonic approximation at the same level of theory. The scaling factors determined experimentally for each of the two isomers have been used when comparing the calculated and experimental data. The vibrational spectra are interpreted in the whole frequency range under test. Good correlation of the experimental and calculated vibrational spectra is obtained.","PeriodicalId":23397,"journal":{"name":"Ukrainian Journal of Physical Optics","volume":null,"pages":null},"PeriodicalIF":3.9,"publicationDate":"2021-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"69616368","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: 2
Low-light image restoration using discrete cosine transform and conditional generative adversarial network 使用离散余弦变换和条件生成对抗网络的微光图像恢复
IF 3.9 4区 物理与天体物理
Ukrainian Journal of Physical Optics Pub Date : 2021-01-01 DOI: 10.3116/16091833/22/4/225/2021
Banglian Xu, Yao Fang, Zhixiang Bian, Yu Huang, Yaoyao Tan, Xue, Cheng, Jiale Song, Leihong Zhang
{"title":"Low-light image restoration using discrete cosine transform and conditional generative adversarial network","authors":"Banglian Xu, Yao Fang, Zhixiang Bian, Yu Huang, Yaoyao Tan, Xue, Cheng, Jiale Song, Leihong Zhang","doi":"10.3116/16091833/22/4/225/2021","DOIUrl":"https://doi.org/10.3116/16091833/22/4/225/2021","url":null,"abstract":". In the process of low-light imaging, some part of useful information of an image is overwhelmed by a noise. When interference is large, the signal-to-noise ratio (SNR) detected in a system is reduced to a very low level. We study the low-light imaging under condition when the detection SNR is equal to 1 dB. Taking into account that the noise is often located in the high-frequency spectral part, we use discrete cosine transform (DCT) to remove the noise or, at least, filter out its some part. Then we use an algorithm of conditional generative adversarial network (CGAN) to improve the image quality. The simulation results testify that the DCT and CGAN algorithms combined together improve significantly the restoration results and the final quality of images. The latter is high enough, with the average peak SNR being higher than 22 dB and the structural similarity index measure amounting to about 0.8.","PeriodicalId":23397,"journal":{"name":"Ukrainian Journal of Physical Optics","volume":null,"pages":null},"PeriodicalIF":3.9,"publicationDate":"2021-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"69616838","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
Cubic�quartic optical solitons having quadratic�cubic nonlinearity by sine�Gordon equation approach 用正弦戈登方程方法研究具有二次三次非线性的三次四次光学孤子
IF 3.9 4区 物理与天体物理
Ukrainian Journal of Physical Optics Pub Date : 2021-01-01 DOI: 10.3116/16091833/22/4/255/2021
Y. Yıldırım, A. Biswas, A. Dakova, P. Guggilla, S. Khan, H. Alshehri, M. Belic
{"title":"Cubic�quartic optical solitons having quadratic�cubic nonlinearity by sine�Gordon equation approach","authors":"Y. Yıldırım, A. Biswas, A. Dakova, P. Guggilla, S. Khan, H. Alshehri, M. Belic","doi":"10.3116/16091833/22/4/255/2021","DOIUrl":"https://doi.org/10.3116/16091833/22/4/255/2021","url":null,"abstract":". We reveal cubic–quartic optical solitons with quadratic–cubic nonlinearity for the first time. Both polarization-preserving and birefringent optical fibres are considered. The study is also extended to include the perturbation terms of Hamiltonian type. The integration algorithm adopted in the present work is the method of sine-Gordon equation.","PeriodicalId":23397,"journal":{"name":"Ukrainian Journal of Physical Optics","volume":null,"pages":null},"PeriodicalIF":3.9,"publicationDate":"2021-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"69616858","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: 98
Cubic�quartic optical solitons in Lakshmanan�Porsezian�Daniel model derived with semi-inverse variational principle 利用半逆变分原理导出Lakshmanan - Porsezian - Daniel模型中的三次四次光学孤子
IF 3.9 4区 物理与天体物理
Ukrainian Journal of Physical Optics Pub Date : 2021-01-01 DOI: 10.3116/16091833/22/3/123/2021
A. Biswas, J. Edoki, P. Guggilla, Salam Khan, A. K. Alzahrani, M. Belić
{"title":"Cubic�quartic optical solitons in Lakshmanan�Porsezian�Daniel model derived with semi-inverse variational principle","authors":"A. Biswas, J. Edoki, P. Guggilla, Salam Khan, A. K. Alzahrani, M. Belić","doi":"10.3116/16091833/22/3/123/2021","DOIUrl":"https://doi.org/10.3116/16091833/22/3/123/2021","url":null,"abstract":"","PeriodicalId":23397,"journal":{"name":"Ukrainian Journal of Physical Optics","volume":null,"pages":null},"PeriodicalIF":3.9,"publicationDate":"2021-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"69616640","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: 108
Structural, morphological and luminescence studies of Fe-doped PbI2 crystals 掺铁PbI2晶体的结构、形态和发光研究
IF 3.9 4区 物理与天体物理
Ukrainian Journal of Physical Optics Pub Date : 2021-01-01 DOI: 10.3116/16091833/22/4/270/2021
O. Rybak, M. Chekaylo
{"title":"Structural, morphological and luminescence studies of Fe-doped PbI2 crystals","authors":"O. Rybak, M. Chekaylo","doi":"10.3116/16091833/22/4/270/2021","DOIUrl":"https://doi.org/10.3116/16091833/22/4/270/2021","url":null,"abstract":". We present the results of X-ray diffraction studies for undoped and Fe-doped single crystals of lead iodide in the concentration range 0.01–0.25 at. %. PbI 2 and PbI 2 :Fe crystals are obtained by crystallization from a vapour phase in a closed system under over-stoichiometric iodine-vapour pressure. Morphology of the crystals has been analyzed by a scanning electron microscopy. The effect of iron doping on the low-temperature ( T = 4.2 K) photoluminescence spectra of lead iodide has been elucidated.","PeriodicalId":23397,"journal":{"name":"Ukrainian Journal of Physical Optics","volume":null,"pages":null},"PeriodicalIF":3.9,"publicationDate":"2021-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"69616898","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: 1
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