Abstract

A compact Fourier-transform IR spectrometer without a moving mechanism was developed. The spectrometer consists of a shearing interferometer for forming a spatially distributed interferogram and an IR array detector for observing the interferogram. The shearing interferometer of the developed system is a birefringent interferometer with a Savert plate; the IR array detector is a PtSi Schottky- barrier detector with 4096 elements. The optics and the system configuration are described in detail, and the experimental results of the IR absorption spectra of polystyrene and polyethylene terephthalate film are shown. The developed optics is as small as 20 × 6 cm ϕ in size. The spectral resolution of the prototype system is ~ 27.6 cm−1 between 5000 and 2000 cm−1. The methods and their possibilities of resolution improvement are also described.

© 1992 Optical Society of America

Full Article  |  PDF Article

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

Figures (8)

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 (2)

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