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| 1 | Extraordinary evanescent field confinement waveguide sensor for mid-infrared trace gas spectroscopy显示文摘Nanophotonic waveguides are at the core of a great variety of optical sensors.These structures confine light along defined paths on photonic chips and provide light-matter interaction via an evanescent field.However,waveguides still lag behind free-space optics for sensitivity-critical applications such as trace gas detection.Short optical pathlengths,low interaction strengths,and spurious etalon fringes in spectral transmission are among the main reasons why on-chip gas sensing is still in its infancy.In this work,we report on a mid-infrared integrated waveguide sensor that successfully addresses these drawbacks.This sensor operates with a 107%evanescent field confinement factor in air,which not only matches but also outperforms free-space beams in terms of the per-length optical interaction.Furthermore,negligible facet reflections result in a flat spectral background and record-low absorbance noise that can finally compete with free-space spectroscopy.The sensor performance was validated at 2.566μm,which showed a 7 ppm detection limit for acetylene with only a 2 cm long waveguide. | Marek Vlk Anurup Datta Sebastián Alberti Henock Demessie Yallew Vinita Mittal Ganapathy Senthil Murugan Jána Jagerská | 2021 | Light(Science & Applications)2021，10，2： | 9 |
| 2 | Polyehlorinated dibenzo-p-dioxins,dibenzofurans,and polyehiorinated biphenyls in human tissues,meat,fish,and wildlife samples from India显示文摘 | Senthil K K Kannan K Paramasivan O N | 2001 | Environmental Science & Technology2001，35，： | 1 |
| 3 | Tribological analysis of nano clay/epoxy/glass fiber by using Tagnchi's technique 显示文摘 | SENTHIL KUMAR M S MOHANA SUNDARA RAJU N SAMPATH P S | 2015 | Materials and Design2015，70，： | 1 |
| 4 | Development and performance evaluation of proton exchange membrane(PEM)based hydrogen generator for portable applications显示文摘 | BALAJI R SENTHIL N VASUDEVAN S | 2011 | International Journal of Hydrogen Energy2011，36，2： | 1 |
| 5 | Exploration of unalloyed bimetallic Au-Pt/C nanoparticles for oxygen reduction reaction显示文摘 | Senthil Kumar S Phani K L N | 2008 | Journal of Power Sources2008，187，1： | 1 |
| 6 | Micelle template NiO hollow nanospheres as anode materials in lithium ion batteries 显示文摘 | Sasidharan M Gunawardhana N Senthil C | 2014 | Journal of Materials Chemistry A2014，2，20： | 1 |
| 7 | The class A chitin synthase gene of Spodoptera exigua:molecular cloning and expression patterns显示文摘 | Chen X F Yang X Senthil K N | 2007 | Insect Biochem and Mol Biol2007，37，5： | 1 |
| 8 | Outcomes of Ahmed valveimplant following a failed initial trabeculotomy andtrabeculectomy in refractory primary congenital glaucoma 显示文摘 | Dave P Senthil S Choudhari N | 2015 | Middle East Afr J Ophthalmol2015，22，1： | 1 |
| 9 | A comparative study of PI,fuzzy,and ANN controllers for chopper-fed dc drive with embedded systems approach显示文摘 | Senthil Kumar N Sadasivam V Asan Sukriya H M | | 0，，07： | 1 |
| 10 | Effect of Lcysteine on some urinary risk factors in experimental hyperoxaluric rats显示文摘 | Saravanan N Senthil D Varalakshmi P | 1996 | Br J Urol1996，78，1： | 1 |
| 11 | Prevention of cardiac hypertrophy by atorvastatin in a transgenic rabbit model of human hypertrophic carcliomyopathy显示文摘 | Senthil V Chen SN Tsybouleva N | 2005 | Circ Res2005，97，： | 1 |
| 12 | Prevention of cardiac hypertrophy by atorvastatin in a transgenic rabbit model of human hypertrophic cardiomyopa hy 显示文摘 | Senthil V Chen SN Tsybouleva N | 2005 | Circ Res2005，97，3： | 1 |
| 13 | Natural dye (Cyanidin 3-O-glucoside) sensitized nano-crystalline TiO2 solar cell fabricated using liquid electrolyte/quasi-solid-state polymer electrolyte 显示文摘 | Senthil T S Muthukumarasamy N Velauthapillai D | 2011 | Renewable Energy2011，36，： | 1 |
| 14 | Evidence of oxidative stress in the circulation of ovarian cancer patients显示文摘 | SENTHIL K ARANGANATHAN S NALINI N | 2004 | Clin Chim Acta2004，339，12： | 1 |
| 15 | Finite element method based simu-lation on warm deep drawing of AISI304 steel circular cups 显示文摘 | Ethiraj N Senthil Kumar V S | 2012 | Procedia Engineering2012，38，： | 1 |
| 16 | Ball/dumbbell-like Structured Micrometer-sized Sb2S3Particles as a Scattering Layer in Dyesensitized Solar Cells显示文摘 | Senthil T S Muthukumarasamy N Misook K | 2014 | Optics Letters2014，39，7： | 1 |
| 17 | 显示文摘 | SENTHIL KUMAR S PHANI K L N | 2009 | J Power Sources2009，187，1： | 1 |
| 18 | Finite Element Method Based Simulation on Warm Deep Drawing of AISI304 Steel Circular Cups显示文摘 | ETHIRAJ N SENTHIL KUMAR V S | 2012 | Procedia Engineering2012，38，： | 1 |
| 19 | Natural Dye (Cyanidin 3-O-glucoside) Sensitized Nanocrystalline TiO2 Solar Cell Fabricated Using Liquid Electrolyte/Quasi-solid-state Polymer Electrolyte 显示文摘 | Senthil T S Muthukumarasamy N Velauthapillai D | 2011 | Renewable Energy2011，36，： | 1 |
| 20 | Inter-subspecific maps of non-brit- tle rachis genes btrl/btr2 using occidental, oriental and wild barley lines显示文摘 | Senthil N Komatsuda T | 2005 | Euphytica2005，145，12： | 1 |
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