Abstract

The limit of sensitivity was investigated in the detection of sodium atoms in a flame with the resonant Voigt effect. An elliptically polarized beam of light from a cw dye laser was used to probe magnetically induced optical anisotropy of sodium atoms introduced into a propane–air flame. The optical path length in the flame was 8 mm, and the effective volume of the probed region was 1.1 × 10−9 m3. Sodium atoms of the number density of 9.5 × 1013 m−3 in the flame produced a signal-to-noise ratio of 120 when the cross-correlation technique was incorporated to estimate the signal energy relative to the background-noise energy.

Full Article  |  PDF Article

Cited By

You do not have subscription access to this journal. Cited by links are available to subscribers only. You may subscribe either as an OSA member, or as an authorized user of your institution.

Contact your librarian or system administrator
or
Login to access OSA Member Subscription

Figures (2)

You do not have subscription access to this journal. Figure files are available to subscribers only. You may subscribe either as an OSA member, or as an authorized user of your institution.

Contact your librarian or system administrator
or
Login to access OSA Member Subscription

Equations (5)

You do not have subscription access to this journal. Equations are available to subscribers only. You may subscribe either as an OSA member, or as an authorized user of your institution.

Contact your librarian or system administrator
or
Login to access OSA Member Subscription

Metrics

You do not have subscription access to this journal. Article level metrics are available to subscribers only. You may subscribe either as an OSA member, or as an authorized user of your institution.

Contact your librarian or system administrator
or
Login to access OSA Member Subscription