Improved sensitivity spontaneous raman scattering multi-gas sensor

Improved sensitivity spontaneous raman scattering multi-gas sensor

We report a backward-wave spontaneous-Raman multi-gas sensor employing a hollow-core photonic-bandgap-fiber to contain gasses and increase interaction length. Silica Raman noise and detection speed are reduced using a digital spatial filter and a cladding seal.

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Bibliographische Detailangaben
Hauptverfasser: Buric, M.P., Chen, K.P., Falk, J., Woodruff, S.D.
Format: Tagungsbericht
Sprache:eng
Schlagworte:
DETECTION
Gas detectors
Gases
LASERS
Optical filters
Optical noise
Optical pumping
Optical scattering
Optical sensors
OTHER INSTRUMENTATION
Photonic band gap
Raman scattering
SCATTERING
SENSITIVITY
SENSORS
SILICA
Silicon compounds
VELOCITY
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Beschreibung
Zusammenfassung:We report a backward-wave spontaneous-Raman multi-gas sensor employing a hollow-core photonic-bandgap-fiber to contain gasses and increase interaction length. Silica Raman noise and detection speed are reduced using a digital spatial filter and a cladding seal.
ISSN:2160-9004
DOI:10.1364/CLEO.2009.CThI6