Recording Raman Spectra Using a Dynamic Fourier Transform Spectrometer

Balashov, A. A.; Golyak, Igor S.; Morozov, A. N.; Nesteruk, I. N.; Хорохорин, А. И.

doi:10.1007/s10812-018-0740-3

Cited by 4 publications

(2 citation statements)

References 19 publications

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“…The interferometer includes a beam splitter ( Figure 3 , position 4) consisting of a beam splitter plate, a compensator plate made of ZnSe and two corner reflectors ( Figure 3 , positions 5 and 6). We use corner reflectors in the receiving channel of the spectrometer to ensure the stability and reliability of its operation ( Figure 3 , positions 5 and 6) [ 36 , 42 ] as mirrors with an aperture of 25 mm and a deviation of 1 angular second. Due to the longitudinal movement of the corner reflector ULPR-10 (PLX) ( Figure 3 , position 6) relative to the fixed corner reflector ( Figure 3 , position 5), a phase difference occurs and an interferogram is formed at the output.…”

Section: Methodsmentioning

confidence: 99%

“…In order to stabilize the speed of the mirror and determine the moments to read the interferogram, a reference channel with a fourfold difference in the optical path is used. The reference channel includes a dihedron ( Figure 3 , position 17) and a flat mirror ( Figure 3 , position 18) [ 42 ]. A He–Ne laser with a wavelength of 632 nm is used as a reference source.…”

Section: Methodsmentioning

confidence: 99%

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Determination of Greenhouse Gas Concentrations from the 16U CubeSat Spacecraft Using Fourier Transform Infrared Spectroscopy

Mayorova,

Morozov,

Golyak

et al. 2023

Sensors

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Greenhouse gases absorb the Earth’s thermal radiation and partially return it to the Earth’s surface. When accumulated in the atmosphere, greenhouse gases lead to an increase in the average global air temperature and, as a result, climate change. In this paper, an approach to measuring CO2 and CH4 concentrations using Fourier transform infrared spectroscopy (FTIR) is proposed. An FTIR spectrometer mockup, operating in the wavelength range from 1.0 to 1.7 μm with a spectral resolution of 10 cm−1, is described. The results of CO2 and CH4 observations throughout a day in urban conditions are presented. A low-resolution FTIR spectrometer for the 16U CubeSat spacecraft is described. The FTIR spectrometer has a 2.0–2.4 μm spectral range for CO2 and CH4 bands, a 0.75–0.80 μm range for reference O2 bands, an input field of view of 10−2 rad and a spectral resolution of 2 cm−1. The capabilities of the 16U CubeSat spacecraft for remote sensing of greenhouse gas emissions using a developed FTIR spectrometer are discussed. The design of a 16U CubeSat spacecraft equipped with a compact, low-resolution FTIR spectrometer is presented.

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Section: Methodsmentioning

confidence: 99%

Section: Methodsmentioning

confidence: 99%

Determination of Greenhouse Gas Concentrations from the 16U CubeSat Spacecraft Using Fourier Transform Infrared Spectroscopy

Mayorova,

Morozov,

Golyak

et al. 2023

Sensors

View full text Add to dashboard Cite

show abstract

Dynamic type Fourier spectrometer development for Raman spectra detection

Balashov

Golyak

Morozov

et al. 2019

J. Phys.: Conf. Ser.

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The dynamic Fourier spectrometer model for Raman scattering (RS) is developed. The working spectral range is 800–1050 nm. The excitation source is the laser with the wavelength λ = 785 nm. In the spectrometer the “white light” channel for summing interferograms over several scans is implemented. Also the reference channel with a sampling frequency of λ / 4 is realised. The developed layout in experiments of the chemical compounds registration is approved. The signal-to-noise ratios for recorded Raman spectra are also calculated. The work shows the RS spectra of stilbene (C14H12) and 1,4-bis (5-phenyl-2-oxazolyl) benzene (POPOP, C24H16N2O2) recorded on the model spectrometer. An experimental research of the registration of the minimum amount of stilbene (C14H12) dissolved in acetone using the Raman spectroscopy method was carried out.

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