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Hörner et al., 2004 - Google Patents

Isotope selective analysis of CO 2 with tunable diode laser (TDL) spectroscopy in the NIR

Hörner et al., 2004

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Document ID
14084802777243751669
Author
Hörner G
Lau S
Kantor Z
Löhmannsröben H
Publication year
Publication venue
Analyst

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Snippet

The performance of a home-built tunable diode laser (TDL) spectrometer, aimed at multi-line detection of carbon dioxide, has been evaluated and optimized. In the regime of the (3001) III←(000) band of 12CO2 around 1.6 µm, the dominating isotope species 12CO2, 13CO2 …
Continue reading at publishup.uni-potsdam.de (PDF) (other versions)

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    • G01N21/17Systems in which incident light is modified in accordance with the properties of the material investigated
    • G01N21/25Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
    • G01N21/31Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry
    • G01N21/39Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using tunable lasers
    • G01N2021/396Type of laser source
    • G01N2021/399Diode laser
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    • GPHYSICS
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    • G01MEASURING; TESTING
    • G01JMEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRA-RED, VISIBLE OR ULTRA-VIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J3/00Spectrometry; Spectrophotometry; Monochromators; Measuring colour
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    • G01MEASURING; TESTING
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    • G01N21/00Investigating or analysing materials by the use of optical means, i.e. using infra-red, visible or ultra-violet light
    • G01N21/01Arrangements or apparatus for facilitating the optical investigation
    • GPHYSICS
    • G01MEASURING; TESTING
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    • G01N2201/00Features of devices classified in G01N21/00
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    • GPHYSICS
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    • G01N33/00Investigating or analysing materials by specific methods not covered by the preceding groups
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    • GPHYSICS
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    • G01J3/00Spectrometry; Spectrophotometry; Monochromators; Measuring colour
    • G01J3/02Details
    • G01J3/0286Constructional arrangements for compensating for fluctuations caused by temperature, humidity or pressure, or using cooling or temperature stabilization of parts of the device; Controlling the atmosphere inside a spectrometer, e.g. vacuum
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