Abstract
The derivative spectrometer, developed for monitoring environmental air pollutants, employs signal processing to subtract the mean value of the minima of second derivative from the maximum, and to average the subtracted values. The signal processing leads to compensation of the long-term drift and hence to improvement of the sensitivity, i.e., the detection limit is 2–3 ppb or less for such gases as SO2, NO, and NO2, under circumstances where the ambient temperature fluctuates between 0 and 40°C.
© 1983 Optical Society of America
Full Article |
PDF Article
OSA Recommended Articles
References
You do not have subscription access to this journal. Citation lists with outbound citation 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
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
Tables (1)
You do not have subscription access to this journal. Article tables 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 (1)
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