Intracavity laser spectroscope for high sensitivity detection of contaminants
摘要
Contaminants are detected optically at concentrations below 1 part-per-million (ppm) and extending to a level approaching 1 part-per-trillion (ppt) by using intracavity laser spectroscopy (ILS) techniques. A solid-state laser with an ion-doped crystal medium contained in an optical resonator cavity (the ILS laser) is employed as a detector. A gas sample containing gaseous contaminant species is placed inside the optical resonator cavity and on one side of the ion-doped crystal. The output signal from the ILS laser is detected and analyzed to identify the gaseous species. The concentration of the gaseous species can be determined as well.
申请公布号
US5689334(A)
申请公布日期
1997.11.18
申请号
US19950522963
申请日期
1995.09.01
申请人
INNOVATIVE LASERS CORPORATION
发明人
ATKINSON, GEORGE H.;KALISKY, YEHOSHUA;ZHANG, JIAMIN;HINEMAN, MAX F.;MEHDIZADEH, ESMAIL;WOLPERDINGER, MARKUS