תקציר
Fiber laser intracavity spectroscopy (FLICAS) with Er-doped fiber laser has been applied for the first in situ detection of ammonia and hydrogen cyanide in a low pressure (30 Torr) stoichiometric methane/nitrogen/oxygen flame doped with 0.13-1.36% of NH3. High resolution spectra of NH3 and HCN have been recorded in the range of 1.5 μm (6440-6540 cm-1). The minimum detectable concentration of HCN and NH3 at a laser pulse duration of 8 μs and room temperature is 1 × 1013 molecule/cm3. The method can be used for in situ detection of many other molecules in the hostile combustion environment.
שפה מקורית | אנגלית |
---|---|
עמודים (מ-עד) | 147-151 |
מספר עמודים | 5 |
כתב עת | Chemical Physics Letters |
כרך | 423 |
מספר גיליון | 1-3 |
מזהי עצם דיגיטלי (DOIs) | |
סטטוס פרסום | פורסם - 20 מאי 2006 |
פורסם באופן חיצוני | כן |
הערה ביבליוגרפית
Funding Information:This research was supported by the Israel Science Foundation (Grant No. 750/05) and by the James Franck, German-Israeli Binational Program in Laser Matter Interaction. The authors thank Bera Pálsdóttir and Christian Larsen from OFS Fitel, Denmark, for providing us with the Er-doped fiber.