Dual-Section DFB-QCLs for Multi-Species Trace Gas Analysis

Abstract

We report on the dynamic behavior of dual-wavelength distributed feedback (DFB) quantum cascade lasers (QCLs) in continuous wave and intermittent continuous wave operation. We investigate inherent etaloning effects based on spectrally resolved light-current-voltage (LIV) characterization and perform time-resolved spectral analysis of thermal chirping during… (More)

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Multi-species trace gas analysis with dual-wavelength DFB-QCLs

Morten Hundt, Mehran Shahmohammadi, +7 authors Lukas Emmenegger
2017 Conference on Lasers and Electro-Optics…
2017

References

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Dual-Section DFB-QCLs for Multi-Species Trace Gas Analysis

Abstract

Topics

12 Figures and Tables

Cited By

Multi-species trace gas analysis with dual-wavelength DFB-QCLs

References

Intermittent operation of QC-lasers for mid-IR spectroscopy with low heat dissipation: tuning characteristics and driving electronics.

Extended and quasi-continuous tuning of quantum cascade lasers using superstructure gratings and integrated heaters

Simultaneously at two wavelengths (5.0 and 7.5 um) singlemode and tunable quantum cascade distributed feedback lasers

Estimation of continuous anthropogenic CO2: Model-based evaluation of CO2, CO, δC(CO2) and δC(CO2) tracer methods

Extended tuning of mid-ir quantum cascade lasers using integrated resistive heaters.

Recent progress in laser-based trace gas instruments: Performance and noise analysis

Simultaneous measurement of NO and NO(2) by dual-wavelength quantum cascade laser spectroscopy.

Dual-wavelength quantum cascade laser for trace gas spectroscopy

Mid-infrared spectroscopy for gases and liquids based on quantum cascade technologies.

The HITRAN2012 molecular spectroscopic database

Slides referencing similar topics

Dual-Section DFB-QCLs for Multi-Species Trace Gas Analysis

Abstract

Topics

12 Figures and Tables

Cited By

Multi-species trace gas analysis with dual-wavelength DFB-QCLs

References

Intermittent operation of QC-lasers for mid-IR spectroscopy with low heat dissipation: tuning characteristics and driving electronics.

Extended and quasi-continuous tuning of quantum cascade lasers using superstructure gratings and integrated heaters

Simultaneously at two wavelengths (5.0 and 7.5 um) singlemode and tunable quantum cascade distributed feedback lasers

Estimation of continuous anthropogenic CO2: Model-based evaluation of CO2, CO, δC(CO2) and δC(CO2) tracer methods

Extended tuning of mid-ir quantum cascade lasers using integrated resistive heaters.

Recent progress in laser-based trace gas instruments: Performance and noise analysis

Simultaneous measurement of NO and NO(2) by dual-wavelength quantum cascade laser spectroscopy.

Dual-wavelength quantum cascade laser for trace gas spectroscopy

Mid-infrared spectroscopy for gases and liquids based on quantum cascade technologies.

The HITRAN2012 molecular spectroscopic database

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Slides referencing similar topics