Equilateral Prisms 30mm
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 Prisms 30mm
Specifications |
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|---|---|
| Material: | N-BK7, F2, SF10 |
| Wavelength Range: | 330-2100nm |
| Dimension (A): | 30 mm |
| Dimension (B): | 30 mm |
| Dimension (C): | 30 mm |
| Surface Quality (scratch-dig): | 80-50 |
| Flatness: | 2 Lamda |
Features
Ideal for wavelength separation in broadband applications
BK7, SF10, or F2
Applications
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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 wavelength separation in broadband applications, laser optics, spectroscopy, and nonlinear optics.
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 refractive index of SF10 glass is nd=1.728 nF-nC=0.0256, and the refractive index of F2 glass is nd=1.620 nF-nC=0.0173.
The angular dispersion of BK7 glass is 0°42’37” and the angular dispersion of SF10 glass is 2°58’25”.
Equilateral Prisms come in various dimensions and prices. The dimensions and prices for BK7 glass are 20mm ($50.00), 25mm ($50.00), 30mm ($80.00), 40mm ($90.00), and 60mm ($110.00). The dimensions and prices for SF10 glass are 30mm ($106.00) and 60mm ($250.00). The dimensions and prices for F2 glass are 30mm ($260.00) and 60mm ($320.00).