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Title: Varied-space grazing incidence gratings in high resolution scanning spectrometers

We discuss the dominant geometrical aberrations of a grazing incidence reflection grating and new techniques which can be used to reduce or eliminate them. Convergent beam geometries and the aberration correction possible with varied groove spacings are each found to improve the spectral resolution and speed of grazing incidence gratings. In combination, these two techniques can result in a high resolution (lambda/..delta..lambda > 10/sup 4/) monochromator or scanning spectrometer with a simple rotational motion for scanning wavelength or selecting the spectral band. 21 refs., 4 figs.
Authors:
;
Publication Date:
OSTI Identifier:
6967210
Report Number(s):
LBL-22228; CONF-860316-12
ON: DE87002568
DOE Contract Number:
AC03-76SF00098
Resource Type:
Conference
Resource Relation:
Conference: Topical meeting on short wave length coherent radiation, Monterey, CA, USA, 24 Mar 1986
Research Org:
Lawrence Berkeley Lab., CA (USA)
Country of Publication:
United States
Language:
English
Subject:
47 OTHER INSTRUMENTATION; OPTICAL SPECTROMETERS; ENERGY RESOLUTION; GRATINGS; GEOMETRICAL ABERRATIONS; PERFORMANCE TESTING; MEASURING INSTRUMENTS; RESOLUTION; SPECTROMETERS; TESTING 440300* -- Miscellaneous Instruments-- (-1989)