Instrumental functions of a 5-m echelle spectrometer with diffraction-limited resolving power
Applied Optics, Vol. 16, Issue 10, pp. 2708-2710 (1977)
http://dx.doi.org/10.1364/AO.16.002708
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Abstract
The resolving power R of a 5-m echelle Czerny-Turner spectrometer, designed for the spectral range between ≈100 nm and ≈1000 nm, was determined by measuring its instrumental functions using stabilized lasers. At λ1,air = 514.534 nm in 11th order and at λ2,air = 632.819 nm in 9th order the values of the resolving power are R1 = 8.38 × 105 ± 2.5% and R2 = 7.00 × 105 ± 2.6%, which correspond to 95% or 97% of the theoretical values, respectively. Aberrations, particularly caused by coma as well as by imperfections of the grating and mirrors, are nearly eliminated. The resolving power is limited by diffraction at the aperture stop on the grating.
Citation
H. Nubbemeyer and B. Wende, "Instrumental functions of a 5-m echelle spectrometer with diffraction-limited resolving power," Appl. Opt. 16, 2708-2710 (1977)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-16-10-2708
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