Approach to optical interference fringes reduction in diode laser absorption spectroscopy
Abstract The advantage of a new scheme for balanced detection has been investigated to reduce the influence of optical interference fringes when performing diode laser gas absorption spectroscopy employing lock-in amplifiers and pigtailed lasers. The influence of the fringes has been reduced by comp...
Ausführliche Beschreibung
Gespeichert in:
| Autor*in: |
Persson, L. [verfasserIn] |
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| Format: |
Artikel |
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| Sprache: |
Englisch |
| Erschienen: |
2007 |
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| Systematik: |
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| Anmerkung: |
© Springer-Verlag 2007 |
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| Übergeordnetes Werk: |
Enthalten in: Applied physics. B, Lasers and optics - Springer-Verlag, 1981, 87(2007), 3 vom: 24. März, Seite 523-530 |
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| Übergeordnetes Werk: |
volume:87 ; year:2007 ; number:3 ; day:24 ; month:03 ; pages:523-530 |
| Links: |
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| DOI / URN: |
10.1007/s00340-007-2593-y |
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| Katalog-ID: |
OLC2074287909 |
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| 520 | |a Abstract The advantage of a new scheme for balanced detection has been investigated to reduce the influence of optical interference fringes when performing diode laser gas absorption spectroscopy employing lock-in amplifiers and pigtailed lasers. The influence of the fringes has been reduced by comparing the lock-in 2 f signal due to the gas sample with that of a reference beam. The frequency regions outside the absorption feature have been used to obtain information on the interference fringe impact on the signal of interest. We have demonstrated an efficient way to reduce the influence of such fringes by employing this technique combined with non-linear signal processing methods. The different steps of the algorithm are presented. In the experimental arrangement presented, a reduction of the optical interference fringes by about 10 times is achieved, as demonstrated in measurements on molecular oxygen around 761 nm. The new technique is compared with an analog technique for balanced detection and certain advantages of the computer algorithm are pointed out. In particular, the emerging field of gas spectroscopy in scattering solid media strongly benefits from the technique presented. | ||
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10.1007/s00340-007-2593-y doi (DE-627)OLC2074287909 (DE-He213)s00340-007-2593-y-p DE-627 ger DE-627 rakwb eng 530 620 VZ 530 VZ UA 9001 VZ rvk Persson, L. verfasserin aut Approach to optical interference fringes reduction in diode laser absorption spectroscopy 2007 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © Springer-Verlag 2007 Abstract The advantage of a new scheme for balanced detection has been investigated to reduce the influence of optical interference fringes when performing diode laser gas absorption spectroscopy employing lock-in amplifiers and pigtailed lasers. The influence of the fringes has been reduced by comparing the lock-in 2 f signal due to the gas sample with that of a reference beam. The frequency regions outside the absorption feature have been used to obtain information on the interference fringe impact on the signal of interest. We have demonstrated an efficient way to reduce the influence of such fringes by employing this technique combined with non-linear signal processing methods. The different steps of the algorithm are presented. In the experimental arrangement presented, a reduction of the optical interference fringes by about 10 times is achieved, as demonstrated in measurements on molecular oxygen around 761 nm. The new technique is compared with an analog technique for balanced detection and certain advantages of the computer algorithm are pointed out. In particular, the emerging field of gas spectroscopy in scattering solid media strongly benefits from the technique presented. Reference Signal Interference Fringe Sample Signal Reference Beam Identical Detector Andersson, F. aut Andersson, M. aut Svanberg, S. aut Enthalten in Applied physics. B, Lasers and optics Springer-Verlag, 1981 87(2007), 3 vom: 24. März, Seite 523-530 (DE-627)130297682 (DE-600)579693-3 (DE-576)015877272 0946-2171 nnns volume:87 year:2007 number:3 day:24 month:03 pages:523-530 https://doi.org/10.1007/s00340-007-2593-y lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-PHY GBV_ILN_21 GBV_ILN_22 GBV_ILN_30 GBV_ILN_31 GBV_ILN_60 GBV_ILN_70 GBV_ILN_130 GBV_ILN_170 GBV_ILN_285 GBV_ILN_602 GBV_ILN_2010 GBV_ILN_2018 GBV_ILN_2021 GBV_ILN_4036 GBV_ILN_4116 GBV_ILN_4126 GBV_ILN_4266 GBV_ILN_4277 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4323 UA 9001 AR 87 2007 3 24 03 523-530 |
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10.1007/s00340-007-2593-y doi (DE-627)OLC2074287909 (DE-He213)s00340-007-2593-y-p DE-627 ger DE-627 rakwb eng 530 620 VZ 530 VZ UA 9001 VZ rvk Persson, L. verfasserin aut Approach to optical interference fringes reduction in diode laser absorption spectroscopy 2007 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © Springer-Verlag 2007 Abstract The advantage of a new scheme for balanced detection has been investigated to reduce the influence of optical interference fringes when performing diode laser gas absorption spectroscopy employing lock-in amplifiers and pigtailed lasers. The influence of the fringes has been reduced by comparing the lock-in 2 f signal due to the gas sample with that of a reference beam. The frequency regions outside the absorption feature have been used to obtain information on the interference fringe impact on the signal of interest. We have demonstrated an efficient way to reduce the influence of such fringes by employing this technique combined with non-linear signal processing methods. The different steps of the algorithm are presented. In the experimental arrangement presented, a reduction of the optical interference fringes by about 10 times is achieved, as demonstrated in measurements on molecular oxygen around 761 nm. The new technique is compared with an analog technique for balanced detection and certain advantages of the computer algorithm are pointed out. In particular, the emerging field of gas spectroscopy in scattering solid media strongly benefits from the technique presented. Reference Signal Interference Fringe Sample Signal Reference Beam Identical Detector Andersson, F. aut Andersson, M. aut Svanberg, S. aut Enthalten in Applied physics. B, Lasers and optics Springer-Verlag, 1981 87(2007), 3 vom: 24. März, Seite 523-530 (DE-627)130297682 (DE-600)579693-3 (DE-576)015877272 0946-2171 nnns volume:87 year:2007 number:3 day:24 month:03 pages:523-530 https://doi.org/10.1007/s00340-007-2593-y lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-PHY GBV_ILN_21 GBV_ILN_22 GBV_ILN_30 GBV_ILN_31 GBV_ILN_60 GBV_ILN_70 GBV_ILN_130 GBV_ILN_170 GBV_ILN_285 GBV_ILN_602 GBV_ILN_2010 GBV_ILN_2018 GBV_ILN_2021 GBV_ILN_4036 GBV_ILN_4116 GBV_ILN_4126 GBV_ILN_4266 GBV_ILN_4277 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4323 UA 9001 AR 87 2007 3 24 03 523-530 |
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10.1007/s00340-007-2593-y doi (DE-627)OLC2074287909 (DE-He213)s00340-007-2593-y-p DE-627 ger DE-627 rakwb eng 530 620 VZ 530 VZ UA 9001 VZ rvk Persson, L. verfasserin aut Approach to optical interference fringes reduction in diode laser absorption spectroscopy 2007 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © Springer-Verlag 2007 Abstract The advantage of a new scheme for balanced detection has been investigated to reduce the influence of optical interference fringes when performing diode laser gas absorption spectroscopy employing lock-in amplifiers and pigtailed lasers. The influence of the fringes has been reduced by comparing the lock-in 2 f signal due to the gas sample with that of a reference beam. The frequency regions outside the absorption feature have been used to obtain information on the interference fringe impact on the signal of interest. We have demonstrated an efficient way to reduce the influence of such fringes by employing this technique combined with non-linear signal processing methods. The different steps of the algorithm are presented. In the experimental arrangement presented, a reduction of the optical interference fringes by about 10 times is achieved, as demonstrated in measurements on molecular oxygen around 761 nm. The new technique is compared with an analog technique for balanced detection and certain advantages of the computer algorithm are pointed out. In particular, the emerging field of gas spectroscopy in scattering solid media strongly benefits from the technique presented. Reference Signal Interference Fringe Sample Signal Reference Beam Identical Detector Andersson, F. aut Andersson, M. aut Svanberg, S. aut Enthalten in Applied physics. B, Lasers and optics Springer-Verlag, 1981 87(2007), 3 vom: 24. März, Seite 523-530 (DE-627)130297682 (DE-600)579693-3 (DE-576)015877272 0946-2171 nnns volume:87 year:2007 number:3 day:24 month:03 pages:523-530 https://doi.org/10.1007/s00340-007-2593-y lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-PHY GBV_ILN_21 GBV_ILN_22 GBV_ILN_30 GBV_ILN_31 GBV_ILN_60 GBV_ILN_70 GBV_ILN_130 GBV_ILN_170 GBV_ILN_285 GBV_ILN_602 GBV_ILN_2010 GBV_ILN_2018 GBV_ILN_2021 GBV_ILN_4036 GBV_ILN_4116 GBV_ILN_4126 GBV_ILN_4266 GBV_ILN_4277 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4323 UA 9001 AR 87 2007 3 24 03 523-530 |
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10.1007/s00340-007-2593-y doi (DE-627)OLC2074287909 (DE-He213)s00340-007-2593-y-p DE-627 ger DE-627 rakwb eng 530 620 VZ 530 VZ UA 9001 VZ rvk Persson, L. verfasserin aut Approach to optical interference fringes reduction in diode laser absorption spectroscopy 2007 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © Springer-Verlag 2007 Abstract The advantage of a new scheme for balanced detection has been investigated to reduce the influence of optical interference fringes when performing diode laser gas absorption spectroscopy employing lock-in amplifiers and pigtailed lasers. The influence of the fringes has been reduced by comparing the lock-in 2 f signal due to the gas sample with that of a reference beam. The frequency regions outside the absorption feature have been used to obtain information on the interference fringe impact on the signal of interest. We have demonstrated an efficient way to reduce the influence of such fringes by employing this technique combined with non-linear signal processing methods. The different steps of the algorithm are presented. In the experimental arrangement presented, a reduction of the optical interference fringes by about 10 times is achieved, as demonstrated in measurements on molecular oxygen around 761 nm. The new technique is compared with an analog technique for balanced detection and certain advantages of the computer algorithm are pointed out. In particular, the emerging field of gas spectroscopy in scattering solid media strongly benefits from the technique presented. Reference Signal Interference Fringe Sample Signal Reference Beam Identical Detector Andersson, F. aut Andersson, M. aut Svanberg, S. aut Enthalten in Applied physics. B, Lasers and optics Springer-Verlag, 1981 87(2007), 3 vom: 24. März, Seite 523-530 (DE-627)130297682 (DE-600)579693-3 (DE-576)015877272 0946-2171 nnns volume:87 year:2007 number:3 day:24 month:03 pages:523-530 https://doi.org/10.1007/s00340-007-2593-y lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-PHY GBV_ILN_21 GBV_ILN_22 GBV_ILN_30 GBV_ILN_31 GBV_ILN_60 GBV_ILN_70 GBV_ILN_130 GBV_ILN_170 GBV_ILN_285 GBV_ILN_602 GBV_ILN_2010 GBV_ILN_2018 GBV_ILN_2021 GBV_ILN_4036 GBV_ILN_4116 GBV_ILN_4126 GBV_ILN_4266 GBV_ILN_4277 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4323 UA 9001 AR 87 2007 3 24 03 523-530 |
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10.1007/s00340-007-2593-y doi (DE-627)OLC2074287909 (DE-He213)s00340-007-2593-y-p DE-627 ger DE-627 rakwb eng 530 620 VZ 530 VZ UA 9001 VZ rvk Persson, L. verfasserin aut Approach to optical interference fringes reduction in diode laser absorption spectroscopy 2007 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © Springer-Verlag 2007 Abstract The advantage of a new scheme for balanced detection has been investigated to reduce the influence of optical interference fringes when performing diode laser gas absorption spectroscopy employing lock-in amplifiers and pigtailed lasers. The influence of the fringes has been reduced by comparing the lock-in 2 f signal due to the gas sample with that of a reference beam. The frequency regions outside the absorption feature have been used to obtain information on the interference fringe impact on the signal of interest. We have demonstrated an efficient way to reduce the influence of such fringes by employing this technique combined with non-linear signal processing methods. The different steps of the algorithm are presented. In the experimental arrangement presented, a reduction of the optical interference fringes by about 10 times is achieved, as demonstrated in measurements on molecular oxygen around 761 nm. The new technique is compared with an analog technique for balanced detection and certain advantages of the computer algorithm are pointed out. In particular, the emerging field of gas spectroscopy in scattering solid media strongly benefits from the technique presented. Reference Signal Interference Fringe Sample Signal Reference Beam Identical Detector Andersson, F. aut Andersson, M. aut Svanberg, S. aut Enthalten in Applied physics. B, Lasers and optics Springer-Verlag, 1981 87(2007), 3 vom: 24. März, Seite 523-530 (DE-627)130297682 (DE-600)579693-3 (DE-576)015877272 0946-2171 nnns volume:87 year:2007 number:3 day:24 month:03 pages:523-530 https://doi.org/10.1007/s00340-007-2593-y lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-PHY GBV_ILN_21 GBV_ILN_22 GBV_ILN_30 GBV_ILN_31 GBV_ILN_60 GBV_ILN_70 GBV_ILN_130 GBV_ILN_170 GBV_ILN_285 GBV_ILN_602 GBV_ILN_2010 GBV_ILN_2018 GBV_ILN_2021 GBV_ILN_4036 GBV_ILN_4116 GBV_ILN_4126 GBV_ILN_4266 GBV_ILN_4277 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4323 UA 9001 AR 87 2007 3 24 03 523-530 |
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Approach to optical interference fringes reduction in diode laser absorption spectroscopy |
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Abstract The advantage of a new scheme for balanced detection has been investigated to reduce the influence of optical interference fringes when performing diode laser gas absorption spectroscopy employing lock-in amplifiers and pigtailed lasers. The influence of the fringes has been reduced by comparing the lock-in 2 f signal due to the gas sample with that of a reference beam. The frequency regions outside the absorption feature have been used to obtain information on the interference fringe impact on the signal of interest. We have demonstrated an efficient way to reduce the influence of such fringes by employing this technique combined with non-linear signal processing methods. The different steps of the algorithm are presented. In the experimental arrangement presented, a reduction of the optical interference fringes by about 10 times is achieved, as demonstrated in measurements on molecular oxygen around 761 nm. The new technique is compared with an analog technique for balanced detection and certain advantages of the computer algorithm are pointed out. In particular, the emerging field of gas spectroscopy in scattering solid media strongly benefits from the technique presented. © Springer-Verlag 2007 |
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Abstract The advantage of a new scheme for balanced detection has been investigated to reduce the influence of optical interference fringes when performing diode laser gas absorption spectroscopy employing lock-in amplifiers and pigtailed lasers. The influence of the fringes has been reduced by comparing the lock-in 2 f signal due to the gas sample with that of a reference beam. The frequency regions outside the absorption feature have been used to obtain information on the interference fringe impact on the signal of interest. We have demonstrated an efficient way to reduce the influence of such fringes by employing this technique combined with non-linear signal processing methods. The different steps of the algorithm are presented. In the experimental arrangement presented, a reduction of the optical interference fringes by about 10 times is achieved, as demonstrated in measurements on molecular oxygen around 761 nm. The new technique is compared with an analog technique for balanced detection and certain advantages of the computer algorithm are pointed out. In particular, the emerging field of gas spectroscopy in scattering solid media strongly benefits from the technique presented. © Springer-Verlag 2007 |
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Abstract The advantage of a new scheme for balanced detection has been investigated to reduce the influence of optical interference fringes when performing diode laser gas absorption spectroscopy employing lock-in amplifiers and pigtailed lasers. The influence of the fringes has been reduced by comparing the lock-in 2 f signal due to the gas sample with that of a reference beam. The frequency regions outside the absorption feature have been used to obtain information on the interference fringe impact on the signal of interest. We have demonstrated an efficient way to reduce the influence of such fringes by employing this technique combined with non-linear signal processing methods. The different steps of the algorithm are presented. In the experimental arrangement presented, a reduction of the optical interference fringes by about 10 times is achieved, as demonstrated in measurements on molecular oxygen around 761 nm. The new technique is compared with an analog technique for balanced detection and certain advantages of the computer algorithm are pointed out. In particular, the emerging field of gas spectroscopy in scattering solid media strongly benefits from the technique presented. © Springer-Verlag 2007 |
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