The Los Alamos Fourier Transform Spectrometer

Byron A. Palmer; Rolf Engleman Jr.

doi:10.1117/12.970888

20 December 1985 The Los Alamos Fourier Transform Spectrometer

Byron A. Palmer, Rolf Engleman Jr.

Proceedings Volume 0553, Fourier and Computerized Infrared Spectroscopy; (1985) https://doi.org/10.1117/12.970888
Event: 1985 International Conference on Fourier and Computerized Infrared Spectroscopy, 1985, Ottawa, Canada

Abstract

The Los Alamos National Laboratory is building a Fourier Transform Spectrometer (FTS) that will be the most powerful and precise instrument of its kind in the world. The FTS will have a maximum resolution of 0.001 cm-1 when the light is double passed. The A/D con-verter will have a dynamic range of 22-bits and will acquire points at a rate of 40 KHz. A digital filter will be used to reduce the bandwidth of the data and will output data points at a rate of 4-5 KHz. Scan times will be typically 4-5 minutes for a high-resolution scan. The servo control will be accurate to 1-2 millifringes of 632.8 nm He-Ne laser light. The spectral range will be from 200 to 20 000 nm (500 to 50 000 cm-1). We will be able to ac-quire multiple scans to help improve the signal to noise.

Citation Download Citation

Byron A. Palmer and Rolf Engleman Jr. "The Los Alamos Fourier Transform Spectrometer", Proc. SPIE 0553, Fourier and Computerized Infrared Spectroscopy, (20 December 1985); https://doi.org/10.1117/12.970888

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