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| 1 | Silicon and silicon nitride photonic circuits for spectroscopic sensing on-a-chip [Invited]显示文摘There is a rapidly growing demand to use silicon and silicon nitride(Si3N4) integrated photonics for sensing applications, ranging from refractive index to spectroscopic sensing. By making use of advanced CMOS technology,complex miniaturized circuits can be easily realized on a large scale and at a low cost covering visible to mid-IR wavelengths. In this paper we present our recent work on the development of silicon and Si3N4-based photonic integrated circuits for various spectroscopic sensing applications. We report our findings on waveguide-based absorption, and Raman and surface enhanced Raman spectroscopy. Finally we report on-chip spectrometers and on-chip broadband light sources covering very near-IR to mid-IR wavelengths to realize fully integrated spectroscopic systems on a chip. | Ananth Z.Subramanian Eva Ryckeboer Ashim Dhakal Frédéric Peyskens Aditya Malik Bart Kuyken Haolan Zhao Shibnath Pathak Alfonso Ruocco Andreas De Groote Pieter Wuytens Daan Martens Francois Leo Weiqiang Xie Utsav Deepak Dave Muhammad Muneeb Pol Van Dorpe Joris Van Campenhout Wim Bogaerts Peter Bienstman Nicolas Le Thomas Dries Van Thourhout Zeger Hens Gunther Roelkens Roel Baets | 2015 | Photonics Research2015，3，5： | 7 |
| 2 | 小粒径再生粗骨料混凝土配合比设计试验研究显示文摘为推广落实再生混凝土在实际工程中的应用,在使用4~8 mm小粒径再生粗骨料的条件下,基于Bolomey理想级配曲线,通过6组试验,得出强度等级C35、坍落度180 mm再生混凝土配合比为:水泥∶水∶砂∶RCA∶SP=1∶0.6∶3.75∶1.81∶0.005,实现了再生混凝土在小截面混凝土构件上的工程应用。并通过与欧洲规范对比,修正了普通混凝土早期抗压强度模型应用于再生混凝土时的系数,即s=0.44。 | 陈晓光 Zeger Sierens 屈铁军 李佳彬 | 2018 | 混凝土2018，，10： | 4 |
| 3 | 小粒径再生粗骨料对预制混凝土力学性能影响的研究显示文摘研究5~10 mm小粒径再生粗骨料对预制混凝土抗压强度、劈裂抗拉强度和弹性模量的影响。结果表明,抗压强度随龄期延长而提高,且主要发生在前7 d,7 d抗压强度达到其28 d抗压强度的77%;劈裂抗拉强度随龄期的延长而提高,3 d劈裂抗拉强度达到其28 d强度的64%;弹性模量也随龄期的延长而提高,龄期为1、3、7和14 d时,弹性模量分别为其28 d弹性模量的32%、46%、62%和91%。通过与欧洲规范对比,基于试验结果,建议了劈裂抗拉强度和弹性模量的计算模型。研究结果更好的实现再生混凝土在小截面预制混凝土构件上的工程应用。 | 范红波 韩达光 杨宇鹏 尚栋 周银 Zeger Sierens Brecht Vandevyvere 李佳彬 | 2020 | 新型建筑材料2020，47，3： | 3 |
| 4 | Efficient,high-CRI white LEDs by combining traditional phosphors with cadmium-free InP/ZnSe red quantum dots显示文摘Quantum dots(QDs) offer an interesting alternative for traditional phosphors in on-chip light-emitting diode(LED) configurations.Earlier studies showed that the spectral efficiency of white LEDs with high color rendering index(CRI) values could be considerably improved by replacing red-emitting nitride phosphors with narrowband QDs.However,the red QDs in these studies were cadmium-based,which is a restricted element in the EU and certain other countries.The use of InP-based QDs,the most promising Cd-free alternative,is often presented as an inferior solution because of the broader linewidth of these QDs.However,while narrow emission lines are the key to display applications that require a large color gamut,the spectral efficiency penalty of this broader emission is limited for lighting applications.Here,we report efficient,high-CRI white LEDs with an on-chip color converter coating based on red InP/ZnSe QDs and traditional green/yellow powder phosphors.Using InP/ZnSe QDs with a quantum yield of nearly 80% and a full width at half-maximum of 45 nm,we demonstrate high spectral efficiency for white LEDs with very high CRI values.One of the best experimental results in terms of both luminous efficacy and color rendering performance is a white LED with an efficacy of 132 lm/W,and color rendering indices of R_(a)≈90,R9 ≈50 for CCT ≈4000 K.These experimental results are critically compared with theoretical benchmark values for white LEDs with on-chip downconversion from both phosphors and red Cd-based QDs.The various loss mechanisms in the investigated white LEDs are quantified with an accurate simulation model,and the main impediments to an even higher efficacy are identified as the blue LED wall-plug Quantum dots(QDs) offer an interesting alternative for traditional phosphors in on-chip light-emitting diode(LED) configurations.Earlier studies showed that the spectral efficiency of white LEDs with high color rendering index(CRI) values could be considerably improved by replacing red-emitting nitride phosphors with narrowband QDs.However,the red QDs in these studies were cadmium-based,which is a restricted element in the EU and certain other countries.The use of In P-based QDs,the most promising Cd-free alternative,is often presented as an inferior solution because of the broader linewidth of these QDs.However,while narrow emission lines are the key to display applications that require a large color gamut,the spectral efficiency penalty of this broader emission is limited for lighting applications.Here,we report efficient,high-CRI white LEDs with an on-chip color converter coating based on red In P/Zn Se QDs and traditional green/yellow powder phosphors.Using In P/Zn Se QDs with a quantum yield of nearly 80% and a full width at half-maximum of 45 nm,we demonstrate high spectral efficiency for white LEDs with very high CRI values.One of the best experimental results in terms of both luminous efficacy and color rendering performance is a white LED with an efficacy of 132 lm/W,and color rendering indices of Ra≈ 90,R9 ≈ 50 for CCT ≈ 4000 K.These experimental results are critically compared with theoretical benchmark values for white LEDs with on-chip downconversion from both phosphors and red Cd-based QDs.The various loss mechanisms in the investigated white LEDs are quantified with an accurate simulation model,and the main impediments to an even higher efficacy are identified as the blue LED wall-plug efficiency and light recycling in the LED package. | BEGA KARADZA HANNES VAN AVERMAET LEILA MINGABUDINOVA ZEGER HENS YOURI MEURET | 2022 | Photonics Research2022，10，1： | 2 |
| 5 | The growing skull fracture,a rare complication of paediatric head injury显示文摘 | Zegers B Jira P W illemsen M | 2003 | Eur J Pediatr2003，162，78： | 1 |
| 6 | Competitive learning and soft competition for vector quantizer design显示文摘 | E Yair K Zeger A Gersho | 1992 | IEEE Trans on Signal Processing1992，40，2： | 1 |
| 7 | IGF-1 potentiates interleukin-2 production in human peripheral T cells 显示文摘 | Kooijman R Rijkers GT Zegers BJ | 1996 | Endocrinol1996，149，2： | 1 |
| 8 | Ozone and short-term mortality in 95 US urban communities,1987-2000显示文摘 | Bell ML McDermott A Zeger SL | | 0，，： | 1 |
| 9 | Endocrinedisrupting chemicals in a source water显示文摘 | Peggy Boefer Shane Snyder Bonald E Zegers | | 0，，08： | 1 |
| 10 | Left insular stroke is associated with adverse cardiac outcome显示文摘 | Laowattana S Zeger SL Lima JA | 2006 | Neurology2006，66，4： | 1 |
| 11 | Residual image coding for stereo image compression显示文摘 | Frajka T Zeger K | 2003 | Optical Engineering2003，42，1： | 1 |
| 12 | On the use of Generalized Additive Models in time-series Studies of air pollution and health显示文摘 | Dominici F McDermott A Zeger SL | 2001 | Am J Epidermal2001，156，： | 1 |
| 13 | Left insular stroke is associated with adverse cardiac outcome 显示文摘 | Laowattana S Zeger SL Lima JAC | 2006 | Neurology2006，66，2： | 1 |
| 14 | van, Synthesis and Characterization of Large Colloidal Silver Particles显示文摘 | VELIKOV K P ZEGERS G E Blaaderen A | 2003 | Langmuir2003，19，： | 1 |
| 15 | Left insular stroke is asso-ciated with adverse cardiac outcome 显示文摘 | Laowattanna S Zeger SL Lima JA | 2006 | Neurology2006，66，4： | 1 |
| 16 | Left insularstroke is associated with adverse cardiac outcome显示文摘 | Laowattana S Zeger SL Lima JAC | 2006 | Neurology2006，66，2： | 1 |
| 17 | Coronary tortuosity:a long and winding road显示文摘 | ZEGERS E S MEURSING B T ZEGERS E B | 2007 | Neth Heart J2007，15，： | 1 |
| 18 | Levels of some polybrominated dipheny! ether (PBDE) flame retardants along the Dutch coast as derived from their accumulation in SPMDs and blue mussels (Mytilus edulis) 显示文摘 | Booij K Zegers B N Boon J P | 2002 | Chemosphere2002，46，5： | 1 |
| 19 | Increased expression of high but not low molecular weight heat shock protein in resectabal lung carcinoma显示文摘 | Michils A Redivo M Zegers DBV | 2001 | Lung Cancer2001，33，1： | 1 |
| 20 | The importanceof commutability of reference materials used as cali-brators :the examples of ceruloplasmin 显示文摘 | Zegers I Beetham R Keller T | 2013 | ClinChem2013，59，9： | 1 |
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