Electromagnetic optimization of wideband spectrograph gratings

Juha Pietarinen; Tuomas Vallius

doi:10.1117/12.668339

20 January 2006 Electromagnetic optimization of wideband spectrograph gratings

Juha Pietarinen, Tuomas Vallius

Proceedings Volume 6027, ICO20: Optical Information Processing; 60273O (2006) https://doi.org/10.1117/12.668339
Event: ICO20:Optical Devices and Instruments, 2005, Changchun, China

Abstract

Electromagnetic optimization is applied to four level surface relief gratings to obtain high diffraction effciencies over wide spectral ranges. The results are compared with the classical designs and proved superior. Significant improvements in the diffraction efficiency or independence of the incident wavelength can be obtained.

Citation Download Citation

Juha Pietarinen and Tuomas Vallius "Electromagnetic optimization of wideband spectrograph gratings", Proc. SPIE 6027, ICO20: Optical Information Processing, 60273O (20 January 2006); https://doi.org/10.1117/12.668339

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