Abstract

Conventional ruling of a concave diffraction grating with blaze angle constant relative to the optical axis produces a grating whose blaze wavelength changes continuously with displacement across the face of the ruled area. A simple explanation of the effect is given in terms of geometrical optics, and quantitative expressions are developed that relate the expected blaze-wavelength shift to the grating constant and aperture ratio. Results are compared with experimental efficiency measurements, and the magnitude of the effect in a typical grating is discussed.

© 1974 Optical Society of America

Second-order focusing conditions for ruled concave gratings

M. Pouey
J. Opt. Soc. Am. 64(12) 1616-1622 (1974)

Design of holographic concave gratings for Seya-Namioka monochromators

H. Noda, T. Namioka, and M. Seya
J. Opt. Soc. Am. 64(8) 1043-1048 (1974)

Geometric theory of the grating

H. Noda, T. Namioka, and M. Seya
J. Opt. Soc. Am. 64(8) 1031-1036 (1974)

On the Concave Grating Spectrograph, Especially at Large Angles of Incidence

J. E. Mack, J. R. Stehn, and Bengt Edlén
J. Opt. Soc. Am. 22(5) 245-264 (1932)

Ray tracing through holographic gratings

H. Noda, T. Namioka, and M. Seya
J. Opt. Soc. Am. 64(8) 1037-1042 (1974)