IsoPlane 81Technical Notes

Aberration-Free Spectrographs Improve Signal-to-Noise Ratio of Spectral Data

The Czerny–Turner (CT) spectrograph has been the cornerstone of spectroscopic technology in part due to a simple design that incorporates three key optical elements: a spherical collimation mirror, a plano dispersion grating, and a spherical focusing mirror.

The use of spherical optics and a plano grating, however, inevitably introduces optical aberrations. The three most critical aberrations associated with the classical CT design are…Read Full Article

Improving the Collection Efficiency of Raman Scattering

Laser Raman spectroscopy is a powerful technology that is successfully used in a variety of scientific research and industrial applications. The cross-section afforded by Raman scattering is typically orders of magnitude lower than that of…Read Full Article

Further Reading

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