Literature

We compiled a number of papers that provide detailed information on nanoplus lasers, TDLAS applications and technology. The numbering of the papers is at random. Please refer to the menu items products, applications and technology for selected literature recommendations. Further literature is available in Dr. Koeth's personal list of publications.

If you published a paper with one of our lasers, let us know. We will be happy to include it in our literature list.

#2 Advanced Gas Sensing Applications Above 3 µm with DFB Laser Diodes;
L. Naehle, L. Hildebrandt, M. Fischer, J. Koeth, Gases & Instrumentation, March/April 2012, pp. 25-28.

#3 Gas monitoring in the process industry using diode laser spectroscopy;
I. Linnerud, P.Kaspersen, T. Jaeger, Appl. Phys. B 67, 1998, pp. 297-305.

#4 Laser-Based Analyzers – Shining New Stars;
P. Nesdore, Gases & Instrumentation, March/April 2011, pp. 30-33.

#5 DFB lasers exceeding 3 µm for industrial applications;
L. Naehle, L. Hildebrandt, Laser+Photonics 2012, pp. 78-80.

#6 Using diode lasers for atomic physics;
C.E. Wieman, L. Hollberg, Rev. Sci. Instrum. 62 (l), 1991, pp. 1-20.

#7 DFB laser diodes expand hydrocarbon sensing beyond 3 µm;
L. Hildebrandt, L. Naehle, Laser Focus World, January 2012, pp. 87-90.

#8 ICLs open opportuneties for mid-IR seinsing;
L. Naehle, L. Hildebrandt, M. Kamp, S. Hoefling, Laser Focus World, May 2013, pp. 70-73.

#9 DFB Lasers Between 760 nm and 16 µm for Sensing Applications;
W. Zeller, L. Naehle, P. Fuchs, F. Gerschuetz, L. Hildebrandt, J. Koeth, Sensors 2010, 10, pp. 2492-2510.

#10 Continuous wave, distributed feedback diode laser based sensor for trace-gas detection of ethanenanoplus Tittel ethan sensor;
K. Krzempek, R. Lewicki, L. Naehle, M. Fischer, J. Koeth, S. Belahsene, Y. Rouillard, L. Worschech, F.K. Tittel, Appl. Phys. B 106, 2, 2012, pp 251-255.

#11 Quantum cascade laser linewidth investigations for high resolution photoacoustic spectroscopy;
M. Germer, M. Wolff, Appl. Opt. 48, 4, 2009, pp. B80-B86.

#12 CO2 concentration and temperature sensor for combustion gases using diode-laser absorption near 2.7 µm;
A. Farooq,  J.B. Jeffries, R.K. Hanson, Appl. Phys. B 90, 2008, pp. 619-628.

#13 Continuous-wave operation of type-I quantum well DFB laser diodes emitting in 3.4 µm wavelength range around room temperature;
L. Naehle, S. Belahsene, M. von Edlinger, M. Fischer, G. Boissier, P. Grech, G. Narcy, A. Vicet, Y. Rouillard, J. Koeth and L. Worschech, Electron. Lett. 47, 1, Jan 2011, pp. 46-47.

#14 Evaluation of the Radiation Hardness of GaSbbased Laser Diodes for Space Applications;
I. Esquivias, J.M.G. Tijero, J. Barbero, D. Lopez, M. Fischer, K. Roessner, J. Koeth, RADECS Proceedings 2011, pp. 349-352.

#15 Scanned-wavelength-modulation spectroscopy near 2.5 µm for H2O and temperature in a hydrocarbon-fueled scramjet combustor;
C. S. Goldenstein, I. A. Schultz, R. M. Spearrin, J. B. Jeffries, R.K. Hanson, Appl. Phys. B, 116, 3, Sept 2014, pp 717-727.

#16 Diode laser measurements of linestrength and temperature-dependent lineshape parameters of H2O-, CO2-, and N2-perturbed H2O transitions near 2474 and 2482 nm;
C.S. Goldenstein, J.B. Jeffries, R.K. Hanson, J. of Quantitative Spectr. & Radiative Transfer 130, 2013, pp. 100–111.

#17 Wavelength-modulation spectroscopy near 2.5 µm for H2O and temperature in high-pressure and -temperature gases;
C.S. Goldenstein, R.M. Spearrin, J.B. Jeffries, R.K. Hanson, Appl. Phys. B, 116, 3, Sept 2014, pp 705-716.

#18 Monomode Interband Cascade Lasers at 5.2 µm for Nitric Oxide Sensing;
M. von Edlinger, J. Scheuermann, R. Weih, C. Zimmermann, L. Naehle, M. Fischer, J. Koeth, IEEE Phot. Tech. Lett., 26, 5, 2014, pp. 480-482.

#19 Measurements of Mars Methane at Gale Crater by the SAM Tunable Laser Spectrometer on the Curiosity Rover;
C.R. Webster, P.R. Mahaffy, S.K. Atreya, G.J. Flesch, K.A. Farley, 44th Lunar and Planetary Science Conference, March 18-22, 2013, LPI Contribution No. 1719, p.1366.

#20 Interband cascade lasers with room temperature threshold current densities below 100 A/cm2;
R. Weih, M. Kamp, S. Hoefling, Appl. Phys. Lett., 102, 2013, pp. 231123-231123-4.

#21 The airborne multi-wavelength water vapor differential absorption lidar WALES: system design and performance;
M. Wirth, A. Fix, P. Mahnke, H. Schwarzer, F. Schrandt, G. Ehret, Appl. Phys. B, 96, 1, July 2009, pp. 201-213.

#22 Sensing of formaldehyde using a distributed feedback interband cascade laser emitting around 3493 nm;
S. Lundqvist, P. Kluczynski, R. Weih, M. von Edlinger, L. Naehle, M. Fischer, A. Bauer, S. Hoefling, J. Koeth, Appl. Opt., 51, 25, 2012, pp. 6009-6013.

#23 MAMMUT: mirror vibration metrology for VLTI;
I. Spaleniak, F. Giessler, R. Geiss, S. Minardi, T. Pertsch, R. Neuhaeuser, M. Becker, M. Rothhardt, F. Delplancke, A. Richichi, S. Menardi, C. Schmid.

#24 Abundance and Isotopic Composition of Gases in the Martian Atmosphere from the Curiosity Rover;
P.R. Mahaffy, C.R. Webster, S.K. Atreya, H. Franz, M. Wong, P.G. Conrad, D. Harpold, J. Jones, L.A. Leshin, H. Manning, T. Owen, R.O. Pepin, S. Squyres, M. Trainer, Science, 341, 6143, 2013, pp. 263-266.

#25 Isotope Ratios of H, C, and O in CO2 and H2O of the Martian Atmosphere;
C.R. Webster, P.R. Mahaffy, G.J. Flesch, P.B. Niles, J. Jones, L.A. Leshin, S.K. Atreya, J.C. Stern, L.E. Christensen, T. Owen, H. Franz, R.O. Pepin, A. Steele, Science, 341, 6143, 2013, pp. 260-263.

#26 Corrugated-sidewall interband cascade lasers with single-mode midwave-infrared emission at room temperature;
C.S. Kim, M. Kim, W.W. Bewley, J.R. Lindle, C.L. Canedy, J. Abell, I. Vurgaftman, J.R. Meyer, Appl. Phys. Lett., 95, 2009, 231103.

#28 In situ combustion measurements of H2O and temperature near 2.5 µm using tunable diode laser absorption;
A. Farooq, J.B Jeffries, R.K Hanson, Meas. Sci. Technol., 19, 2008, 075604, pp. 11.

#29 Detection of Methane Isotopologues – cw-OPO vs. DFB Diode Laser;
M. Wolff, S. Rhein, H. Bruhns, J. Koeth, L. Hildebrandt, P. Fuchs, 16th International Conference on Photoacoustic and Photothermal Phenomena.

#30 Kalman filtering real-time measurements of H2O isotopologue ratios by laser absorption spectroscopy at 2.73 µm;
T. Wu, W. Chen, E. Kerstel, E. Fertein, X. Gao, J. Koeth, Karl Roessner, D. Brueckner, Opt. Lett., 35, 5, 2010, pp. 634.636.

#31 QCL based NO Detection;
M. Wolff, J. Koeth, L. Hildebrandt, P. Fuchs; 16th International Conference on Photoacoustic and Photothermal Phenomena.

#32 Single-frequency Sb-based distributed-feedback lasers emitting at 2.3 µm above room temperature for application in tunable diode laser absorption spectroscopy;
A. Salhi, D. Barat, D. Romanini, Y. Rouillard, A. Ouvrard, R. Werner, J. Seufert, J. Koeth, A. Vicet, A. Garnache, Appl. Opt., 45, 20., pp. 4957-4965.

#33 DFB laser diodes in the wavelength range from 760 nm to 2.5 µm;
J. Seufert, M. Fischer, M. Legge, J. Koeth, R. Werner, M. Kamp, A. Forchel, Spectroch. Acta Part A 60, 2004, pp. 3243-3247.

#34 High power pulsed 976 nm DFB laser diodes;
W. Zeller, M. Kamp, J. Koeth, L. Worschech, Proc. SPIE 7682, Photonic Microdevices/Microstructures for Sensing II, 76820T, 2010.

#35 TDLAS-based sensors for in situ measurement of syngas composition in a pressurized, oxygen-blown, entrained flow coal gasifier;
R. Sur, K. Sun, J.B. Jeffries, R.K. Hanson, R.J. Pummill, T. Waind, D.R. Wagner, K.J. Whitty, Appl. Phys. B, 116, 1, 2014, pp. 33-42.

#36 Single mode interband cascade lasers based on lateral metal gratings;
R. Weih, L. Naehle, Sven Hoefling, J. Koeth, M. Kamp, Appl. Phys. Lett., 105, 7, 2014, pp. 071111.

#38 Monolithic widely tunable laser diodes for gas sensing at 2100 nm;
N. Koslowski, A. Heger, K. Roesner, M. Legge, L. Hildebrandt, J. Koeth, Proc. SPIE 8640, Novel In-Plane Semiconductor Lasers XII, 2013, 864008.

#39 The NULLTIMATE Test Bench: Achromatic Phase Shifters for Nulling Interferometry;
P.A. Schuller, O. Demangeon, A. Leger, M. Barillot, B. Chazelas, M. Decaudin, M. Derrien, P. Duret, P. Gabor, G. Gadret, J. Gay, A. Labeque, R. Launhardt, J. Mangin, Y. Rabbia, Z. Sodnikal., Proc. SPIE 2010, 7734, 77342E.

#40 Comb-assisted spectroscopy of CO2 absorption profiles in the near- and mid-infrared regions;
A. Gambetta, D. Gatti, A. Castrillo, N. Coluccelli, G. Galzerano, P. Laporta, L. Gianfrani, M. Marangoni, Appl. Phys. B, 109, 3, Nov. 2012, pp. 385-390.

#42 Line shapes of near-infrared DFB and VCSEL diode lasers under the influence of system back reflections;
R. Engelbrecht, B. Lins, P. Zinn, R. Buchtal, B. Schmauss, Appl. Phys. B, 109, 3, Nov. 2012, pp. 441-452.

#43 Chemical analysis of surgical smoke by infrared laser spectroscopy;
Michele Gianella, Markus W. Sigrist, Appl. Phys. B, 109, 3, Nov. 2012, pp. 485-496.

#44 High sensitivity Faraday rotation spectrometer for hydroxyl radical detection at 2.8 µm;
W. Zhao, G. Wysocki, W. Chen, W. Zhang, Appl. Phys. B, 109, 3, Nov. 2012, pp. 511-519.

#45 Measurements of CO2 in a multipass cell and in a hollow-core photonic bandgap fiber at 2 µm;
J. A. Nwaboh, J. Hald, J. K. Lyngsø, J. C. Petersen, O. Werhahn, Appl. Phys. B, 109, 3, Nov. 2012, pp. 187-194.

#46 TDLAS-based open-path laser hygrometer using simple reflective foils as scattering targets;
A. Seidel, S. Wagner, V. Ebert, Appl. Phys. B, 109, 3, Nov. 2012, pp. 497-504.

#47 High-speed tunable diode laser absorption spectroscopy for sampling-free in-cylinder water vapor concentration measurements in an optical IC engine;
O. Witzel, A. Klein, S. Wagner, C. Meffert, C. Schulz, V. Ebert, Appl. Phys. B, 109, 3, Nov. 2012, pp. 521-532.

#48 Absolute, spatially resolved, in situ CO profiles in atmospheric laminar counter-flow diffusion flames using 2.3 µm TDLAS;
S. Wagner, M. Klein, T. Kathrotia, U. Riedel, T. Kissel, A. Dreizler, V. Ebert, Appl. Phys. B, 109, 3, Nov. 2012, pp. 533-540.

#49 Spectroscopic monitoring of NO traces in plants and human breath: applications and perspectives;
S. M. Cristescu, D. Marchenko, J. Mandon, K. Hebelstrup, G. W. Griffith, L. A. J. Mur, F. J. M. Harren, Appl. Phys. B, 109, 3, Nov. 2012, pp. 203-211.

#50 Mid-IR difference frequency laser-based sensors for ambient CH4, CO, and N2O monitoring;
J. J. Scherer, J. B. Paul, H. J. Jost, Marc L. Fischer, Appl. Phys. B, 109, 3, Nov. 2012, pp. 271-277.

#51 Noninvasive monitoring of gas in the lungs and intestines of newborn infants using diode lasers: feasibility study;
P. Lundin, E.K. Svanberg, L. Cocola, M.L. Xu, G. Somesfalean, S. Andersson-Engels, J. Jahr, V. Fellman, K. Svanberg, S. Svanberg, J. of Biomed. Opt., 18(12), Dec. 2013, 127005.

#52 Antireflection-coated blue GaN laser diodes in an external cavity and Doppler-free indium absorption spectroscopy;
L. Hildebrandt, R. Knispel, S. Stry, J.R. Sacher, F. Schael, Appl. Opt., 42, No. 12, 2003, pp. 2110-2118.

#53 CW DFB RT diode laser-based sensor for trace-gas detection of ethane using a novel compact multipass gas absorption cell;
K. Krzempek, M. Jahjah, R. Lewicki, P. Stefanski, S. So, D. Thomazy, F.K. Tittel, Appl. Phys. B, 112, 4, Sept. 2013, pp. 461-465.

#54 Demonstration of the self-mixing effect in interband cascade lasers;
K. Bertling, Y.L. Lim, T. Taimre, D. Indjin, P. Dean, R. Weih, S. Hoefling, M. Kamp, M. von Edlinger, J. Koeth, A.D. Rakic, Appl. Phys. Lett., 103, 2013, 231107.

#55 Photonic Crystal Laser Based Gas Sensor;
M. Wolff, H. Bruhns, J. Koeth, W. Zeller, L. Naehle, Chapter 4 in "Optical Sensors - New Developments and Practical Applications", book edited by M. Yasin, S.W. Harun, H. Arof, ISBN 978-953-51-1233-4, March 19, 2014.

#56 Widely tunable quantum cascade lasers with coupled cavities for gas detection;
P. Fuchs, J. Seufert, J. Koeth, J. Semmel, S. Hoefling, L. Worschech, A. Forchel, App. Phys. Lett., 97, 2010, 181111.

#57 Distributed feedback quantum cascade lasers at 13.8 µm on indium phosphide;
P. Fuchs, J. Semmel, J. Friedl, S. Hoefling, J. Koeth, L. Worschech, A. Forchel, Appl. Phys. Lett. 98, 2011, 211118.

#58 Human-Body-Model Electrostatic-Discharge and Electrical-Overstress Studies of Buried-Heterostructure Semiconductor Lasers;
J.S. Huang, T. Olson, E. Isip, IEEE Transactions on Devices and Materials Reliability, 7, 3, Sept. 2007, 453-461.

#59 Semiconductor laser damage due to human-body-model electrostatic discharge;
Y. Twu, L.S. Cheng, S.N.G. Chu, F.R. Nash, K.W. Wang, P. Parayanthal, J. Appl. Phys. 74 (3), Aug. 1993, 1510-1520.

#60 Single mode quantum cascade lasers with shallow-etched distributed Bragg reflector;
P. Fuchs, J. Friedl, S. Hoefling, J. Koeth, A. Forchel, L. Worschech, M. Kamp, Opt. Expr., 20, 4, 2012, pp. 3890-3897.

#61 Demonstration of an Ethane Spectrometer for Methane Source Identification;
T.I. Yacovitch, S.C. Herndon, J.R. Roscioli, C. Floerchinger, R.M. McGovern, M. Agnese, G. Petron, J. Kofler, C. Sweeney, A. Karion, S.A. Conley, E.A. Kort, L. Naehle, M. Fischer, L. Hildebrandt,.J. Koeth, J.B. McManus, D.D. Nelson, M.S. Zahniser, C.E. Kolb, Environ. Sci. Technol., 48, 2014, 8028-8034.

#62 High-sensitivity interference-free diagnostic for measurement of methane in shock tubes;
R. Sur, S. Wang, K. Sun, D. F. Davidson, J. B. Jeffries, R. K. Hanson, J. of Quant. Spectrosc. and Rad. Transfer, Vol. 156, May 2015, pp. 80–87.

#64 Interband Cascade Lasers - Topical Review;
I. Vurgaftman, R. Weih, M. Kamp, C.L. Canedy, C.S. Kim, M. Kim, W.W. Bewley, C.D. Merritt, J. Abell, S. Hoefling, J. Phys. D: Appl. Phys. 48, 2015, pp. 123001-12017.

#65 H2O temperature sensor for low-pressure flames using tunable Diode laser Absorption near 2.9 µm;
S. Li, A. Farooq, R.K. Hanson, Meas. Sci. Technol., 22, 2011, pp. 125301-125311.

#66 The Performance of the calibration mudule for SPHERE;
F. Wildi, B. Michaud, M. Crausaz, R. Dubosson, D. Mouliiet, K. Dohlen, H.-M. Schmidt, J.-L. Beuzit, in Ground-based and Airborne Instrumentation for Astronomy III, 2010, SPIE 7735-101.

#67 New Opportunities in Mid-Infrared Emission Control;
P. Geiser, Sensors, 2015, pp. 22724-22736.

#68 Field laser applications in industry and research;
F. D'Amato, A. Fried, App. Phys. B, 2015, 119, pp. 1-2.

#69 A quartz-enhanced photoacoustic sensor for H2S trace-gas detection at 2.6µm;
S. Viciani, M. Siciliani de Cumis, S. Borri, P. Patimisco, A. Sampaolo, G. Scamarcio, P. De Natale, F. D'Amato, V. Spagnolo, App. Phys. B, 2015, 119, pp. 21-27.

#71 Novel utilisation of a circular multi-reflection cell applied to materials ageing experiments;
D.A. Knox, A.K. King, E.D. McNaghten, S.J. Brooks, P.A. Martin, S.M. Pimblott, App. Phys. B, 2015, 119, pp. 55-64.

#73 Time-multiplexed open-path TDLAS spectrometer for dynamic, sampling-free, Interstitial H218O and H216O vapor detection in ice clouds;
B. Kuehnreich, S. Wagner, J.C. Habig, O. Moehler, H. Saathoff, V. Ebert, App. Phys. B, 2015, 119, pp. 177-187.

#74 Optical feedback cavity-enhanced absorption spectroscopy with a 3.24 μm interband cascade laser;
K. M. Manfred, G. A. D. Ritchie, N. Lang, J. Röpcke, and J. H. van Helden, App. Phys. Lett., 106, 2015, 221106.

#75 Interband cascade laser sources in the mid-infrared for green photonics;
J. Koeth, M. von Edlinger, J. Scheuermann, S. Becker, L. Nähle, M. Fischer, R. Weih, M. Kamp, S. Höfling, Proc. SPIE 9767, Novel In-Plane Semiconductor Lasers XV, 976712, March 10, 2016

#76 Diode laser-based trace detection of hydrogen-sulfide at 2646.3 nm and hydrocarbon spectral interference effects;
R. Sharma, C. Mitra, V. Tilak, Opt. Eng. 55(3), 037106, Mar 14, 2016.

#77 Compact TDLAS based sensor design using interband cascade lasers for mid-IR trace gas sensing;
L. Dong, F. K. Tittel, C. Li, N. P. Sanchez, H. Wu, C. Zheng, Y. Yu, A. Sampaolo, R. J. Griffin; Optics Express Vol. 24, Issue 6, 2016, pp. A528-A535.

#78 Ppb-level formaldehyde detection using a CW room-temperature interband cascade laser and a miniature dense pattern multipass gas cell;
L. Dong,Y. Yu,.C. Li, S. So, F. Tittel, Optics Express Vol. 23, Issue 15, 2015, pp. 19821-19830.

#79 InAs-based distributed feedback interband cascade lasers;
M. Dallner, J. Scheuermann, L. Nähle, M. Fischer, J. Koeth, S. Höfling, M. Kamp, Appl. Phys. Lett. 107, 2015, 181105.

#80 Single-mode interband cascade lasers emitting below 2.8 μm;
J. Scheuermann, R. Weih, M. v. Edlinger, L. Nähle, M. Fischer, J. Koeth, M. Kamp, S. Höfling, Appl. Phys. Lett. 106, 2015, 161103.

#81 Dynamic spectral characteristics measurement of DFB interband cascade laser under
injection current tuning
;
Z. Du, G. Luo, Y. An, J. Li, Appl. Phys. Lett. 109, 2016, 011903.

#82 Ppb-level mid-infrared ethane detection based on three measurement schemes using a 3.34 μm continuous-wave interband cascade laser;
C. Li, C. Zheng, L. Dong, W. Ye, F. K. Tittel, Y. Wang, Appl. Phys. B, July 2016, 122:185.

# 83 Mid-infrared surface plasmon polariton chemical sensing on fiber-coupled ITO coated glass;
J. Martínez, A. Ródenas, M. Aguiló, T. Fernandez, J. Solis, F. Díaz, Optics Letters, Vol. 41, No. 11, June 1 2016,
pp. 2493 - 2496.

# 84 Optical gas sensing: a review;
J. Hodgkinson, R. P. Tatam, Measurement Science and Technology, Vol. 24, No. 1, 2013

# 85 Frequency modulation characteristics for interband cascade lasers emitting at 3 µm;
J. Li, Z. Du, Y. An, Appl. Phys. B, 2015, 121:7–17.

# 86 Detection of methyl mercaptan with a 3393‑nm distributed feedback interband cascade laser;
Z. Du, W. Zhen, Z. Zhang, J. Li, N. Gao, Appl. Phys. B, 2016, 122: 100.

#87 Optical‑feedback cavity‑enhanced absorption spectroscopy with an interband cascade laser: application to SO2 trace analysis;
L. Richard, I. Ventrillard, G. Chau, K. Jaulin, E. Kerstel, D. Romanini, Appl. Phys. B, 2016, 122:247.

#88 Oxygen-18 isotope of breath CO2 linking to erythrocytes carbonic anhydrase activity: a biomarker for pre-diabetes and type 2 diabetes;
C. Ghosh, G. D. Banik, A. Maity, S. Som, A. Chakraborty, C. Selvan, S. Ghosh, S. Chowdhury, M. Pradhan, Scientific Reports, 2015, 5 : 8137.

#89 Mars methane detection and variability at Gale crater;
C. R. Webster, P. R. Mahaffy, S. K. Atreya, G. J. Flesch, M. A. Mischna, P.-Y. Meslin, K. A. Farley, P. G. Conrad,L. E. Christensen, A. A. Pavlov, J. Martín-Torres, M.-P. Zorzano, T. H. McConnochie, T. Owen, J. L. Eigenbrode, D. P. Glavin, A. Steele, C. A. Malespin, P. Douglas Archer Jr., B. Sutter, P. Coll, C. Freissinet, C. P. McKay, J. E. Moores, S. P. Schwenzer, J. C. Bridges, R. Navarro-Gonzalez, R. Gellert, M. T. Lemmon, the MSL Science Team, Science, Vol. 347, Issue 6220, Jan 23, 2015, pp. 415-417.

#90 Optical feedback cavity-enhanced absorption spectroscopy with a 3.24 µm interband cascade laser;
K. M. Manfred, G. A. D. Ritchie, N. Lang, J. Roepcke, J. H. van Helden, Appl. Phys. Lett. 106, 2015, 221106.

#91 Brillouin optical time domain analysis in silica fibers at 850 nm wavelength;
A. Minardo, A. Coscetta, R. Bernini, and L. Zeni, IEEE Phot. Tech. Lett., Vol. 28, No. 22, Nov. 15, 2016.

#092 Development and field deployment of a mid-infrared methane sensor without pressure control using interband cascade laser absorption spectroscopy;
Ch. Zheng, W. Ye, N. P. Sanchez, Ch. Li, L. Dong, Y. Wang, R. J. Griffin, F. K. Tittel, Sensors and Actuators B: Chemical, Vol. 244, June 2017, 365–372.

#93 Interband cascade laser-based optical transfer standard for atmospheric carbon monoxide measurements;
J. A. Nwaboh, Z. Qu, O. Werhahn and V. Ebert, App. Optics, Vol. 56, No. 11, April 10, 2017, pp. E84-E93.

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