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Blazed Concave Grating

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Spectrum Scientific Inc. (SSI)
Spectrum Scientific Inc. has expanded its concave gratings product line. A new blaze wavelength of 250 nm for the 1200 g/mm concave grating has been manufactured. Designed for use in analytical instruments such as ultraviolet/visible spectrophotometers and flat-field imaging spectrographs, the proprietary blazing technique maximizes the energy over the required spectral range, while reducing stray light. Efficiencies greater than 80% can be achieved at the blaze wavelength without the need for ion etching. Compared with plane-blazed holographic gratings, concave gratings can serve...See full product

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