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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
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| 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
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Walter Schottky Institut