Continuous wave, distributed feedback diode laser based sensor for trace-gas detection of ethane

Krzempek, Karol; Lewicki, R.; Nähle, Lars; Fischer, M.; Koeth, Johannes; Belahsene, S.; Rouillard, Y.; Worschech, L.; Tittel, Frank K.

doi:10.1007/s00340-011-4857-9

Cited by 73 publications

(28 citation statements)

References 34 publications

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“…The absorption line for C 2 H 6 ( Figure 10) is located at 2,976.802 cm −1 [39], [40], which differs from 2,986.723 cm −1 quoted in Table 1. The reason is that many overlapping absorption lines around 2,986.723 cm −1 make accurate fitting of the absorption spectrum impossible, as shown in Figure 11.…”

Section: Resultsmentioning

confidence: 62%

Using a sensitive optical system to analyze gases dissolved in samples extracted from transformer oil

Wan

Zhou

Zou

et al. 2014

IEEE Electr. Insul. Mag.

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Section: Resultsmentioning

confidence: 62%

Using a sensitive optical system to analyze gases dissolved in samples extracted from transformer oil

Wan

Zhou

Zou

et al. 2014

IEEE Electr. Insul. Mag.

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“…The QCL is based on strain-compensated InGaAs/InAlAs-AlAs material system on InP, which has the advantage of a more mature InP substrate and no Sb-containing alloys compared to other 3.3 μm quantum cascade [9,10], interband cascade [11,12], and type-I diode lasers [13] reported up to now. It is thermoelectrically stabilized at 300 K and operates in a pulsed mode, with a pulse width of 100 ns and 20 kHz repetition rate.…”

Section: B Selection Of the Laser Sourcementioning

confidence: 99%

Highly sensitive and fast detection of propane–butane using a 3 μm quantum cascade laser

et al. 2013

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A mid-IR optical analyzer based on a 3 μm Fabry-Perot quantum cascade laser has been developed for ultrafast detection of aerosol propellants, such as propane and butane. Given the laser emission bandwidth of 35 cm(-1), the system is spectrally well-matched to the C-H vibrational band of hydrocarbons, it is insusceptible to water interference, and stable enough to operate without wavelength scanning. Thus, it offers both high sensitivity and speed, reaching 1 ppm precision within a measurement time of 10 ms. The performance of the instrument is evaluated with an industrial demonstrator for aerosol cans leak testing, confirming that, in compliance with international directives, it can detect leaks of 1.2×10(-4) slpm at a rate of 500 cans per minute.

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“…In recent years, quantum cascade lasers (QCLs) [23] in the 4-to 12-µm spectral range and interband cascade lasers (ICLs) in the 3-to 6-µm range, capable of operating with low electrical power consumption [24], provide continuous-wave (CW) output power levels of >5 mW. For example, the development of WMS based on CW, thermoelectrically cooled (TEC), distributed feedback (DFB) diode lasers for C 2 H 6 detection was reported in [25,26].…”

Section: Introductionmentioning

confidence: 98%

Ppb-level mid-infrared ethane detection based on three measurement schemes using a 3.34-μm continuous-wave interband cascade laser

Zheng

et al. 2016

Appl. Phys. B

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For the quasi-simultaneous DAS and WMS scheme, both the 2f signal and the direct absorption signal were simultaneously extracted using a LabVIEW platform, and four C 2 H 6 samples (0, 30, 60 and 90 ppbv with nitrogen as the balance gas) were used as the target gases to assess the sensor performance. A detailed comparison of the three measurement schemes is reported. Atmospheric C 2 H 6 measurements on the Rice University campus and a field test at a compressed natural gas station in Houston, TX, were conducted to evaluate the performance of the sensor system as a robust and reliable field-deployable sensor system.

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Continuous wave, distributed feedback diode laser based sensor for trace-gas detection of ethane

Cited by 73 publications

References 34 publications

Using a sensitive optical system to analyze gases dissolved in samples extracted from transformer oil

Using a sensitive optical system to analyze gases dissolved in samples extracted from transformer oil

Highly sensitive and fast detection of propane–butane using a 3 μm quantum cascade laser

Ppb-level mid-infrared ethane detection based on three measurement schemes using a 3.34-μm continuous-wave interband cascade laser

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