Equilateral Prism BK7 60mm
Description
Equilateral Prisms are used routinely as dispersing elements where spectral separation is required. They provide better brightness (lower stray light) than diffraction gratings. They also have greater power handling capabilities and avoid possible confusion when trying to interpret overlapping spectral orders. It must be remembered that dispersion is non-linear with wavelength and that surface reflection losses may affect throughput. Ealing offers Equilateral Prisms in three materials designed to suit a wide variety of dispersion, wavelength, and surface reflection requirements. In general, a higher refractive index material produces greater angular separation.
Equilateral Prism BK7 60mm
Specifications |
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|---|---|
| Material: | N-BK7 |
| Wavelength Range: | 330-2100nm |
| Dimension (A): | 60 mm |
| Dimension (B): | 60 mm |
| Dimension (C): | 60 mm |
| Surface Quality (scratch-dig): | 80-50 |
| Flatness: | 2 Lamda |
Features
Ideal for wavelength separation in broadband applications
BK7, SF10, or F2
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How to order?
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Ships from:
United States
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Sold by:
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On FindLight:
since 2017
Frequently Asked Questions
Equilateral Prisms are used for spectral separation where brightness and power handling capabilities are important.
Equilateral Prisms are made of BK7, SF10, or F2 glass.
The refractive index of BK7 glass is nd=1.517 nF- nC=0.0081.
The angular dispersion of SF10 glass is 2°58’25”.
The price range for Equilateral Prisms varies depending on the dimensions and material, ranging from $50.00 to $320.00.