A PORTABLE HIGH-RESOLUTION GRATING-ECHELLE SPECTROGRAPH
Technical Report
·
OSTI ID:4321877
S>A grating-echelle spectrograph is described similar to the Wadsworth- echelle spectrograph designed by Harrison. In this design particular attention was paid to making the instrument portable. The spectrograph is thus an instrument of high resolution and dispersion suitable for field use. The spectrum between 2000 and 9500 A is photographed on three 16-in.-long plates, with a dispersion varying between 0.18 to 0.89 A/mm corresponding to the 1090th to 229th order of the echelle. With existing echelles the performance is limited by the echelle properties. Detailed data are given on the test of two echelles. (auth)
- Research Organization:
- Los Alamos Scientific Lab., N. Mex.
- DOE Contract Number:
- W-7405-ENG-36
- NSA Number:
- NSA-12-008856
- OSTI ID:
- 4321877
- Report Number(s):
- LA-2151
- Country of Publication:
- United States
- Language:
- English
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