Abstract

A semi-empirical procedure for determining spectral positions to an accuracy of ±0.005 cm⁻¹ in the near infrared region is discussed. The infrared spectra have been scanned by rotating the grating with the help of a precision screw. It is believed that the techniques discussed enable the measurement, with the above precision, of many infrared lines in one day.

© 1963 Optical Society of America

Six-Meter Focal Length Ebert-Type Infrared Spectrograph. Part I. Details of the Spectrograph

K. Narahari Rao and Harald H. Nielsen
Appl. Opt. 2(11) 1123-1126 (1963)

Wavelength Measurements with a Concave Grating Spectrograph

Frank S. Tomkins and Mark Fred
Appl. Opt. 2(7) 715-725 (1963)

Highly Precise Wavelengths in the Infrared. II. HCN, N₂O, and CO†

D. H. Rank, D. P. Eastman, B. S. Rao, and T. A. Wiggins
J. Opt. Soc. Am. 51(9) 929-936 (1961)

Predisperser for High-Resolution Grating Spectrographs

Joseph Reader, Louis C. Marquet, and Sumner P. Davis
Appl. Opt. 2(9) 963-967 (1963)

Interferometric Measurement of Wavelengths of Infrared Atomic Emission Lines in the Extraphotographic Region

Curtis J. Humphreys
Appl. Opt. 2(11) 1155-1163 (1963)