Research Topics
| Feng ChenSummaryAffiliation: Shandong University Country: China Publications
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Detail Information
Publications
Ion implanted optical channel waveguides in Er3+/MgO co-doped near stoichiometric LiNbO3: a new candidate for active integrated photonic devices operating at 1.5 micromFeng Chen
School of Physics, Shandong University, Jinan, 250100, China
Opt Express 16:16209-14. 2008..The micro-luminescence investigation reveals that fluorescence emissions at approximately 1.5 microm in the waveguides are well preserved with respect to the bulk, exhibiting possible applications for integrated active photonic devices...
Ridge waveguide lasers in Nd:GGG crystals produced by swift carbon ion irradiation and femtosecond laser ablationYuechen Jia
School of Physics, Key Laboratory of Particle Physics and Particle Irradiation MOE, Shandong University, Jinan 250100, China
Opt Express 20:9763-8. 2012..At room temperature continuous wave laser oscillation at wavelength of ~1063 nm has been realized through the optical pump at 808 nm with a slope efficiency of 41.8% and the pump threshold is 71.6 mW...- Continuous wave channel waveguide lasers in Nd:LuVO4 fabricated by direct femtosecond laser writingYingying Ren
School of Physics, State Key Laboratory of Crystal Materials, Shandong University, Jinan 250100, China
Opt Express 20:1969-74. 2012..Continuous-wave laser oscillation at 1066.4 nm was observed from the waveguide under ~809 nm optical excitation, with the absorbed pump power at threshold and laser slope efficiency of 98 mW and 14%, respectively... - Optical ridge waveguides preserving the thermo-optic features in LiNbO3 crystals fabricated by combination of proton implantation and selective wet etchingYang Tan
School of Physics, Shandong University, Jinan 250100, China
Opt Express 18:11444-9. 2010..9 dB/cm. In addition, the measured thermo-optic coefficients of the waveguides are in good agreement with those of the bulk, suggesting potential applications in integrated photonics... - Reconfigurable optical channel waveguides in lithium niobate crystals produced by combination of low-dose O3+ ion implantation and selective white light illuminationYang Tan
School of Physics, Shandong University, Jinan 250100, China
Opt Express 16:10465-70. 2008..The transmission properties of the channel waveguide modes can be well simulated numerically by the beam propagation method, which allows for the fabrication of tailored optical interconnections... - Continuous wave waveguide lasers of swift argon ion irradiated Nd:YVO4 waveguidesYicun Yao
School of Physics, Key Laboratory of Particle Physics and Particle Irradiation MOE and State Key Laboratory of Crystal Materials, Shandong University, Jinan 250100, China
Opt Express 19:24252-7. 2011..3 mW. The slope efficiency of the waveguide laser system is of 8.5%. The optical-to-optical conversion efficiency is 6.6%... - Guided-wave second harmonics in Nd:YCOB optical waveguides for integrated green lasersYingying Ren
School of Physics, State Key Laboratory of Crystal Materials and Key Laboratory of Particle Physics and Particle Irradiation MOE, Shandong University, Jinan, China
Opt Lett 37:244-6. 2012..By virtue of the self-frequency-conversion configuration, the Nd:YCOB waveguides are promising candidates as novel, compact, miniature green laser sources... - Efficient laser emissions at 1.06 μm of swift heavy ion irradiated Nd:YCOB waveguidesYingying Ren
School of Physics, State Key Laboratory of Crystal Materials MOE, Shandong University, Jinan 250100, China
Opt Lett 36:4521-3. 2011..Under the optical pump at wavelength of 810 nm, continuous wave waveguide lasers at 1061.2 nm have been generated at room temperature with a high slope efficiency of ~67.9%... - Carbon ion implanted Nd:MgO:LiNbO(3) optical channel waveguides: an intermediate step between light and heavy ion implanted waveguidesNing Ning Dong
School of Physics, Shandong University, Jinan 250100, China
Opt Express 18:5951-6. 2010.... - Second harmonic generation of swift carbon ion irradiated Nd:GdCOB waveguidesYingying Ren
School of Physics, Key Laboratory of Particle Physics and Particle Irradiation MOE, Shandong University, Jinan 250100, China
Opt Express 19:12490-5. 2011..Under pump of ~1064-nm fundamental light, the optical conversion efficiency of the frequency doubling is 0.48% W(-1) and 6.8% W(-1) for continuous wave and pulsed laser beams, respectively... - Planar optical waveguides in Bi4Ge3O12 crystal fabricated by swift heavy-ion irradiationJin Yang
School of Physics, Key Laboratory of Particle Physics and Particle Irradiation MOE and State Key Laboratory of Crystal Materials, Shandong University, Jinan, China
Appl Opt 50:6678-81. 2011..1 and ~4.8 dB/cm, respectively, which exhibit acceptable guiding qualities for potential applications in integrated optics... - 70% slope efficiency from an ultrafast laser-written Nd:GdVO4 channel waveguide laserYang Tan
School of Physics, Shandong University, Jinan 250100, China
Opt Express 18:24994-9. 2010..5 dB·cm(-1)) enabled laser performance with a threshold pump power as low as 52 mW and a near to quantum defect limited laser slope efficiency of 70%... - Second harmonic and raman imaging of He+ implanted KTiOPO4 waveguidesNingning Dong
School of Physics, Key Laboratory of Particle Physics and Particle Irradiation, MOE, and State Key Laboratory of Crystal Materials, Shandong University, 250100 Jinan, China
Opt Express 19:13934-9. 2011..Both the structural and nonlinear properties of the KTP lattice have been only modified at the end of ions' trajectory, which is in good agreement with the positions with maximum refractive index changes... - Channel waveguide lasers in Nd:GGG crystals fabricated by femtosecond laser inscriptionChao Zhang
School of Physics, Key Laboratory of Particle Physics and Particle Irradiation MOE, Shandong University, Jinan 250100, China
Opt Express 19:12503-8. 2011..0 dB/cm. Stable continuous wave laser oscillation at ~1061 nm has been demonstrated at room temperature. Under 808 nm optical excitation, a pump threshold of 29 mW and a slope efficiency of 25% have been obtained... - Femtosecond laser writing of multifunctional optical waveguides in a Nd:YVO4 + KTP hybrid systemNingning Dong
School of Physics, Shandong University, Jinan, China
Opt Lett 36:975-7. 2011..The resulting structures emerge as promising candidates for the development of multifrequency waveguide lasers... - Swift nitrogen ion irradiated waveguide lasers in Nd:YAG crystalYingying Ren
School of Physics, State Key Laboratory of Crystal Materials, Shandong University, Jinan 250100, China
Opt Express 19:5522-7. 2011..Under 808 nm optical end-pumping, continuous-wave (cw) laser oscillation at 1064.2 nm has been demonstrated with laser slope efficiencies of 16% and pump power thresholds of 38.3 mW... - Femtosecond laser inscribed cladding waveguides in Nd:YAG ceramics: fabrication, fluorescence imaging and laser performanceHongliang Liu
School of Physics, State Key Laboratory of Crystal Materials and Key Laboratory of Particle Physics and Particle Irradiation, Ministry of Education, Shandong University, Jinan 250100, China
Opt Express 20:18620-9. 2012..The maximum output power obtained at 1064.5 nm is ~181 mW with a slope efficiency as high as 44%, which suggests that the fabricated Nd:YAG ceramic waveguides are promising candidates for efficient integrated laser sources... - Continuous wave Nd:YAG channel waveguide laser produced by focused proton beam writingYicun Yao
School of Physics, Shandong University, Jinan 250100, China
Opt Express 18:24516-21. 2010..Pump power threshold has been found to be 94 mW with a laser slope efficiency of 40%. A maximum output power at 1064 nm for the waveguide laser is 63 mW at absorbed pump power of 247 mW... - Proton beam writing of Nd:GGG crystals as new waveguide laser sourcesYicun Yao
School of Physics, State Key Laboratory of Crystal Materials, Shandong University, Jinan 250100, China
Opt Lett 36:4173-5. 2011..The obtained slope efficiency of the Nd:GGG waveguide laser system is as high as 66%, which is, to our best knowledge, the highest value for integrated lasers from ion beam processed channel waveguide systems... - Optical channel waveguides in Nd:LGS laser crystals produced by proton implantationYingying Ren
School of Physics, Shandong University, Jinan 250100, China
Opt Express 18:16258-63. 2010..These images have been also used to elucidate the spatial distribution of lattice damage and distortion caused by the implantation process, which are both mainly located at the nuclear collision region... - Optical waveguides in Nd:GGG crystals produced by H+ or C3+ ion implantationYing Ying Ren
School of Physics, Shandong University, Jinan 250100, China
Appl Opt 49:2085-9. 2010..5 and approximately 1.6 dB/cm, respectively, which exhibits acceptable guiding qualities for applications on potential integrated laser generation... - Ion-implanted optical-stripe waveguides in neodymium-doped calcium barium niobate crystalsYang Tan
School of Physics, Shandong University, 250100 Jinan, China
Opt Lett 34:1438-40. 2009..Room-temperature microluminescence and micro-Raman investigations reveal that the crystal bulk features are well preserved in the active volume of the waveguide, suggesting possible applications as integrated photonic devices... - The effect of load on guided wave propagationFeng Chen
University of Bristol, Mechanical Engineering, Queen s Building, University Walk, Bristol BS8 1TR, United Kingdom
Ultrasonics 47:111-22. 2007..In particular, it does not predict the subtleties of the sensitivity of certain modes at high frequencies, nor any sensitivity for the torsional fundamental mode... - Stress distribution and dimensional changes in chromatographic columnsFeng Chen
Department of Civil and Environmental Engineering, University of Tennessee, Knoxville, TN 37996-2010, USA
J Chromatogr A 1083:68-79. 2005..Numerical approximations are then used to explore the effects of the end restraint provided by the end frits. Conclusions are derived regarding the requirements for a safe operation of these high pressure chromatography tubes... - Using bioinformatics techniques for gene identification in drug discovery and developmentYi Ping Phoebe Chen
Faculty of Science and Technology, Deakin University, Australia 2ARC Centre of Excellence in Bioinformatics, Australia
Curr Drug Metab 9:567-73. 2008..Gene identification is a very fundamental and important technique among them. In this paper, we have reviewed gene identification algorithms and discussed their usage, relationships and challenges in drug discovery and development... - Heterotrophic production of eicosapentaenoic acid by microalgaeZhi-You Wen
Department of Botany, The University of Hong Kong, Pokfulam Road, Hong Kong, PR China
Biotechnol Adv 21:273-94. 2003..This paper reviews recent advances in heterotrophic production of EPA by microalgae with an emphasis on the use of diatoms as producing organisms... - Rat cerebral ischemia induced with photochemical occlusion of proximal middle cerebral artery: a stroke model for MR imaging researchFeng Chen
Department of Radiology, University Hospitals, K.U.Leuven, Herestraat 49, 3000, Leuven, Belgium
MAGMA 17:103-8. 2004..The present PIT model in rats has been successfully adopted for MRI research, which might be feasible for certain stroke studies and should be beneficial for the evaluation on effects of potential diagnostic and therapeutic approaches... - Klebsiella singaporensis sp. nov., a novel isomaltulose-producing bacteriumXianzhen Li
Department of Bio and Food Engineering, Dalian College of Light Industry, Dalian 116034, PR China
Int J Syst Evol Microbiol 54:2131-6. 2004..Therefore, it is proposed that strain LX3(T) (=DSM 16265(T)=JCM 12419(T)) should be classified as the type strain of a novel species of genus Klebsiella, Klebsiella singaporensis sp. nov... 
Application of derivative ratio spectrophotometry for determination of beta-carotene and astaxanthin from Phaffia rhodozyma extractHui Ni
Department of Food Science and Nutrition, Zhejiang University, Hangzhou 310029, China
J Zhejiang Univ Sci B 6:514-22. 2005..This method was successfully applied to simultaneous determination of beta-carotene and astaxanthin in the laboratory-prepared mixtures and the extract from the Phaffia rhodozyma culture...- Determination of vitamin B1 in seawater and microalgal fermentation media by high-performance liquid chromatography with fluorescence detectionHong-Zhi He
Chinese Academy of Sciences, South China Sea Institute of Oceanology, Guangzhou, P. R. China
Anal Bioanal Chem 383:875-9. 2005..Recovery was from 89 to 110% and the relative standard deviation was in the range 1.1 to 4.3%... - Molecular diagnosis of human cancer type by gene expression profiles and independent component analysisXue Wu Zhang
College of Light Industry and Food Sciences, South China University of Technology, Guangzhou, China
Eur J Hum Genet 13:1303-11. 2005..This technique is also suitable for the identification of diagnostic expression patterns for other human cancers and demonstrates the feasibility of simple and accurate molecular cancer diagnostics for clinical implementation... - Determination of paralytic shellfish poisoning toxins in cultured microalgae by high-performance liquid chromatography with fluorescence detectionHong-Zhi He
South China Sea Institute of Oceanology, Chinese Academy of Sciences, Guangzhou, PR China
Anal Bioanal Chem 383:1014-7. 2005..The recoveries ranged from 88+/-2% to 107+/-4% and the relative standard deviations were 0.16% to 4.4%. The procedure is also environmentally friendly because no organic solvent is used in the mobile phase... - The pH-dependence of photochemical intermediates of O and P in bacteriorhodopsin by continuous lightLiping Wang
School of Material Science and Engineering, University of Science and Technology Beijing, Beijing 100083, PR China
Biochem Biophys Res Commun 343:899-903. 2006..It is possible, with red light, to create photoproducts which are thermally stable at ambient temperature and that can be photochemically erased... - Growing phototrophic cells without lightGuan-Qun Chen
Department of Botany, The University of Hong Kong, Hong Kong, China
Biotechnol Lett 28:607-16. 2006..This paper reviews recent advances in heterotrophic cultivation of phototrophic cells with an emphasis on microalgae... - Radiofrequency ablation: the use of appropriate terms and the citation of prior artYicheng Ni
Acad Radiol 13:1047-8; author reply 1048-9. 2006 - Kinetic modeling of lutein production by heterotrophic Chlorella at various pH and temperaturesXianming Shi
Department of Botany, University of Hong Kong, Pokfulam Road, Hong Kong, China
Mol Nutr Food Res 50:763-8. 2006..The obtained results may contribute to the commercial production of lutein by C. protothecoides... - [Effects of short-term high temperature stress on flag leaf photosystem II functions of high-yielding wheat at late grain-filling stage]Feng Chen
College of Life Science, Shandong Agricultural University, Tai an 271018, China
Ying Yong Sheng Tai Xue Bao 17:1854-8. 2006.... - Rapid access to pyrimido[5,4-c]isoquinolines via a sulfur monoxide extrusion reactionRenzhong Fu
The Center for Combinatorial Chemistry and Drug Discovery, Jilin University, 75 Haiwai Street, Changchun, Jilin 130012, PRC
Org Lett 9:571-4. 2007..reaction: see text]... - Rodent stroke induced by photochemical occlusion of proximal middle cerebral artery: evolution monitored with MR imaging and histopathologyFeng Chen
Department of Radiology, Faculty of Medicine, Catholic University of Leuven, Belgium
Eur J Radiol 63:68-75. 2007..To longitudinally investigate stroke in rats after photothrombotic occlusion of proximal middle cerebral artery (MCA) with magnetic resonance imaging (MRI) in correlation with histopathology... - Soft tissue modeling using nonlinear mass spring and simplified medial representationFeng Chen
Laboratory of Image Guided Surgery and Therapy, Shanghai Jiao Tong University, China
Conf Proc IEEE Eng Med Biol Soc 2007:5083-6. 2007..We use a segmented left kidney and blood vessel as the examples in our case study... - [Changing characteristics of temperature and humidity in different type bags for bagging apple and their effects on fruit appearance quality]En Mao Li
College of Horticulture Science and Engineering, Shandong Agricultural University, Tai an, Shandong, China
Ying Yong Sheng Tai Xue Bao 19:208-12. 2008..Bagging had obvious effects on fruit quality. Comparing with single-layer bags, double-layer bags had better effects in improving fruit appearance quality, and the best was that of type XL... - Protein fold recognition based on error correcting output codes and SVMYuehui Chen
School of Information Science and Engineering, University of Jinan, Jinan 250022, People s Republic of China
Protein Pept Lett 15:443-7. 2008..The experimental show that the proposed method can improve prediction accuracy by 4%-10% on two datasets containing 27 SCOP folds... - High-yield production of lutein by the green microalga Chlorella protothecoides in heterotrophic fed-batch cultureXian-Ming Shi
Key Laboratory of Microbiology of Agricultural Ministry, Huazhong Agricultural University, Wuhan 430070, P. R. China
Biotechnol Prog 18:723-7. 2002..6% decrease in cell dry weight concentration as compared to the fed-batch culture (30 L) without such a treatment. The enhancement of lutein production resulted from the combination of nitrogen limitation and high-temperature stress...