Abstract

A vertical double-pass internal reflection element for internal reflection spectroscopy is described which can be dipped into vessels containing liquids or powders to record their spectra. It has the advantage over the horizontal double-pass internal reflection element in that no additional optical components are required to reorient the spectrometer slit image. Photographs are presented of internal reflection elements showing the actual paths of the light beams outside and inside the internal reflection elements.

© 1966 Optical Society of America

The Rosette—a Unipoint Multiple Internal Reflection Element

N. J. Harrick
Appl. Opt. 5(7) 1236-1237 (1966)

Effective Thickness of Bulk Materials and of Thin Films for Internal Reflection Spectroscopy

N. J. Harrick and F. K. du Pré
Appl. Opt. 5(11) 1739-1743 (1966)

Total Internal Reflection Light Deflector

M. A. Habegger, T. J. Harris, and J. Lipp
Appl. Opt. 5(9) 1403-1405 (1966)

A Laser Output Coupler Using Frustrated Total Internal Reflection

Earl L. Steele, Walter C. Davis, and Robert L. Treuthart
Appl. Opt. 5(1) 5-8 (1966)

Infrared Modulation by Means of Frustrated Total Internal Reflection

Robert W. Astheimer, Gerald Falbel, and Sheldon Minkowitz
Appl. Opt. 5(1) 87-91 (1966)