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Tailoring Microenvironments and In Situ Transformations of Cu Catalysts for Selective and Stable Electrosynthesis of Multicarbon Products Advanced Energy Materials, 2303936 (2024) P. Ding, J. Kühne, S. Santra, R. Zell, P. Zellner, T. Rieth, J. Gao, J. Chen, G. Zhou, J. Dittloff, K. Müller-Caspary, I.D. Sharp Online Ref | Monolithically Integrated Quantum Cascade Lasers, Detectors and Dielectric Waveguides at 9.5 CLEO, OSA Technical Digest (online) (2015) Y. Zou, K. Vijayraghavan, P. Wray, S. Chakravarty, M.A. Belkin, R.T. Chen Online Ref | InGaAs/AlInAs quantum cascade laser sources based on intra-cavity second harmonic generation emitting in 2.6-3.6 micron rang Proc. SPIE 7953, 795315 (2011) M.A. Belkin, M. Jang, R.W. Adams, J.X. Chen, W.O. Charles, C. Gmachl, L.W. Cheng, F.-S. Choa, X. Wang, M. Troccoli, A. Vizbaras, M. Anders, C. Grasse, M.-C. Amann Online Ref | Comparison of InP- and GaSb-based VCSELs emitting at 2.3 µm suitable for carbon monoxide detection , 442-445 (2011) G. Boehm, A. Bachmann, J. Rosskopf, M. Ortsiefer, J. Chen, A. Hangauer, R. Meyer, R. Strzoda, M. C. Amann Online Ref | GaSb and InP-based VCSELs at 2.3 µm emission wavelength for tuneable diode laser spectroscopy of carbon monoxide (Invited) SPIE Photonics West 2011, San Francisco, CA, USA (Invited talk) (2011) M. Ortsiefer, C. Neumeyr, J. Rosskopf, S. Arafin, G. Boehm, A. Hangauer, J. Chen, R. Strzoda, M. C. Amann | InGaAs/AlInAs quantum cascade laser sources based on intracavity second harmonic generation in 2.6 - 3.6 micron range Invited talk:, San Francisco, CA, USA, January (2011) M. A. Belkin, M. Jang, R. W. Adams, J. Chen, W. O. Charles, C. F. Gmachl, L. Cheng, F. S. Choa, X. Wang, M. Troccoli, A. Vizbaras, M. Anders, C. Grasse, M. C. Amann Online Ref | Long-wavelength VCSELs for sensing applications Invited Talk:, 8276-9, The Moscone Center, San Francisco, California (2011) M. Ortsiefer, J. Rosskopf, C. Neumeyr, T. Gruendl, C. Grasse, J. Chen, A. Hangauer, R. Strzoda, C. Gierl, P. Meissner, F. Küppers, M. C. Amann | The frequency modulation response of vertical-cavity surface-emitting lasers: experiment and theory 17 (2011) A. Hangauer, J. Chen, R. Strzoda, M. C. Amann Online Ref | Vertical-Cavity Surface-Emitting Laser Light- Current Characteristic at Constant Internal Temperature IEEE Photonics Technology Letters 23, 1295-1297 (2011) A. Hangauer, J. Chen, M. C. Amann Online Ref | VCSEL-based Calibration-free Carbon Monoxide Sensor at 2.3 µm with in-line Reference Cell Applied Physics B: Lasers and Optics 102 (2011) J. Chen, A. Hangauer, R. Strzoda, M. C. Amann Online Ref | Compact VCSEL-based CO2 and H2O sensor with inherent wavelength calibration for safety and air-quality applications Conference on Lasers and Electro Optics (CLEO), San Jose USA (2010) A. Hangauer, J. Chen, K. Seemann, P. Karge, R. Strzoda, M. C. Amann Online Ref |
| Comparison of plasma-effect in different InP-based VCSELs Conference on Lasers and Electro Optics (CLEO), San Jose USA (2010) A. Hangauer, J. Chen, M. C. Amann Online Ref | Laser Spectroscopic Oxygen Sensor Using Diffuse Reflector-based Optical Cell and Advanced Signal Processing Applied Physics B: Lasers and Optics 100 (2010) J. Chen, A. Hangauer, R. Strzoda, M. C. Amann Online Ref | Low-level and ultralow-volume hollow waveguide based carbon monoxide sensor Optics Letters 35, 3577-3579 (2010) J. Chen, A. Hangauer, R. Strzoda, M. Fleischer, M. C. Amann Online Ref | Resolution limits of laser spectroscopic absorption measurements with hollow glass waveguides Applied Optics 49, 5254-5261 (2010) J. Chen, A. Hangauer, R. Strzoda, M. C. Amann Online Ref | Sensitivity Limits for Near- Infrared Gas Sensing with Suspended-core PCFs directly coupled with VCSELs Conference on Lasers and Electro Optics (CLEO), San Jose USA (2010) J. Chen, A. Hangauer, R. Strzoda, T. G. Euser, J. S. Y. Chen, M. Scharrer, P. S. Russel, M. C. Amann Online Ref | Tunable diode laser spectroscopy with optimum wavelength scanning Applied Physics B: Lasers and Optics 100 (2010) J. Chen, A. Hangauer, R. Strzoda, M. C. Amann Online Ref | Analysis of Dynamic Tuning Effects in Vertical-Cavity Surface-Emitting Lasers Proceedings of the Fifth Joint Symposium on Opto- and Microelectronic Devices and Circuits (SODC) Bejing (2009) A. Hangauer, J. Chen, R. Strzoda, M. C. Amann | CO and CH4 Sensing with Single Mode 2.3µm GaSb-Based VCSEL Conference on Lasers and Electro-Optics (CLEO), Baltimore, USA, (2009) (2009) J. Chen, A. Hangauer, A. Bachmann, T. Lim, K. Kashani-Shirazi, R. Strzoda, M. C. Amann Online Ref | Fire Detection with a Compact, 2.3 µm VCSEL-Based Carbon Monoxide Sensor Conference on Lasers and Electro-Optics (CLEO), Baltimore, USA, (2009) A. Hangauer, J. Chen, R. Strzoda, M. Fleischer, M. C. Amann Online Ref | High-Speed Tuning in Vertical-Cavity Surface-Emitting Lasers European Conference on Lasers and Electro Optics (CLEO Europe), Munich, Germany, CB13.5 (2009) A. Hangauer, J. Chen, R. Strzoda, M. C. Amann Online Ref | Laser Spectroscopic Oxygen Sensor for Real Time Combustion Optimization Procedia Chemistry 1 (2009) A. Hangauer, J. Chen, A. Spitznas, R. Strzoda, H. Link, M. Fleischer Online Ref |
| Laser Wavelength Stabilization using Gases with Complex Spectral Fingerprint Field Laser Applications in Industry and Research 2009 (FLAIR), Garmisch-Partenkirchen Germany, p. 44 (2009) A. Hangauer, J. Chen, R. Strzoda, M. C. Amann | Miniaturized Laser Spectroscopic CO Sensor for Industrial and Safety Applications Procedia Chemistry 1 (2009) J. Chen, A. Hangauer, R. Strzoda, M. Fleischer, M. C. Amann Online Ref | Near-Infrared Gas Sensing using Hollow Waveguides and PCFs Directly Coupled to VCSELs Field Laser Applications in Industry and Research 2009 (FLAIR), Garmisch-Partenkirchen Germany, p. 93 (2009) J. Chen, A. Hangauer, R. Strzoda, T. G. Euser, J. S. Y. Chen, M. Scharrer, P. S. Russel, M. C. Amann | VCSEL-Based Oxygen Sensor for Combustion Optimization in Gas/Oil Furnaces Conference on Lasers and Electro-Optics (CLEO), Baltimore, USA (2009) J. Chen, A. Hangauer, R. Strzoda, M. Fleischer, M. C. Amann Online Ref | Accurate extraction method of the FM response of VCSELs based on wavelength modulation spectroscopy Applied Physics B: Lasers and Optics 90, 243-247 (2008) J. Chen, A. Hangauer, R. Strzoda, M. C. Amann Online Ref | Accurate measurement of the wavelength modulation phase shift of tunable vertical-cavity surface-emitting lasers (VCSELs) Conference on Semiconductor and Integrated Optoelectronics, Cardiff, United Kingdom (2008) A. Hangauer, J. Chen, R. Strzoda, M. C. Amann | Analysis of thermal tuning in vertical-cavity surface-emitting lasers European Semiconductor Laser Workshop, Eindhoven, The Netherlands (2008) A. Hangauer, J. Chen, R. Strzoda, M. C. Amann | Compact carbon monoxide sensor using a continuously tunable 2.3 µm single-mode VCSEL 21st Annual Meeting of the IEEE Lasers and Electro-Optics Society, Newport Beach, USA, 721-722 (2008) J. Chen, A. Hangauer, R. Strzoda, M. Ortsiefer, M. Fleischer, M. C. Amann Online Ref | Dynamic wavelength tuning behavior of vertical-cavity surface-emitting lasers Conference on Semiconductor and Integrated Optoelectronics, Cardiff, United Kingdom (2008) J. Chen, A. Hangauer, R. Strzoda, M. C. Amann | Extended near-infrared wavelength VCSELs for optical sensing (2008) M. Ortsiefer, J. Rosskopf, E. Ronneberg, Y. Xu, K. Maisberger, R. Shau, G. Boehm, A. Hangauer, J. Chen, R. Strzoda, M. C. Amann Online Ref | Modeling of the n-th harmonic spectra used in wavelength modulation spectroscopy and their properties Applied Physics B: Lasers and Optics 90, 249-254 (2008) A. Hangauer, J. Chen, M. C. Amann Online Ref |
| Simplified model of the dynamic thermal tuning behavior of Vertical-Cavity Surface-Emitting Lasers IEEE Photonics Technology Letters 20, 1082 – 1084 (2008) J. Chen, A. Hangauer, M. C. Amann Online Ref | Square root law thermal response in VCSELs: Experiment and theory IEEE/LEOS Conference on Lasers and Electro-Optics, San Jose, USA (2008), JThA27 (2008) A. Hangauer, J. Chen, R. Strzoda, M. C. Amann Online Ref | Wavelength modulation spectroscopy with a widely tunable InP-based 2.3 µm vertical-cavity surface-emitting laser Optics Letters 33, 1566-1568 (2008) A. Hangauer, J. Chen, R. Strzoda, M. Ortsiefer, M. C. Amann Online Ref | Experimental characterization of the frequency modulation behavior of vertical cavity surface emitting lasers Applied Physics Letters 91, 141105 (2007) J. Chen, A. Hangauer, R. Strzoda, M. C. Amann Online Ref | New method based on wavelength modulation spectroscopy for measurement and characterization of the current to wavelength tuning frequency response of VCSEL Book of Abstracts, International Conference on Tunable Diode Laser Spectroscopy, Reims, France (2007) J. Chen, A. Hangauer, R. Strzoda, M. C. Amann | Reconstruction of the transmission from n-th harmonic spectra FLAIR Conference, Florence, Italy (2007) A. Hangauer, J. Chen, R. Strzoda, M. C. Amann | Straightforward modeling of the nth harmonic signals used in wavelength modulation spectroscopy and their mathematical properties Book of Abstracts, TDLS International Conference on Tunable Diode Laser Spectroscopy, Reims, France (2007) A. Hangauer, J. Chen, M. C. Amann Online Ref |
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