Reflection Grating Spectroscope Designs

  • Ken M. Harrison
Part of the Patrick Moore's Practical Astronomy Series book series (PATRICKMOORE)


These designs use a reflection grating, usually blazed, to form the spectrum. All of the commercial spectroscopes are reflection-grating type of either the classical design (with an achromatic doublet collimator and mirror imager), Fastie-Ebert (with a single mirror), or the Littrow (with an achromatic doublet). Any of these designs can be replicated by the amateur, following the basic design rules outlined earlier.


Numerical Aperture Camera Lens Star Image Fiber Optic Link Achromatic Doublet 
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Copyright information

© Springer Science+Business Media, LLC 2011

Authors and Affiliations

  • Ken M. Harrison
    • 1
  1. 1.CobhamUK

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