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T-PS855 - N-SF11 Equilateral Dispersive Prism, 40 mm

Part No.: T-PS855

  • $ 385.00


T-PS855 - N-SF11 Equilateral Dispersive Prism, 40 mm

Product Drawing

N-SF11 is a flint glass that offers excellent performance in the visible and NIR spectral range. It offers a high refractive index and low Abbe number, making it excellent for use in an equilateral dispersive prism.

Polarization Effects
For P-Polarized light (blue line) incident on a dispersing prism at the angle of least deviation, the graph to the right shows that only a small percentage of the P-polarized light is reflected at the surface. Thus, for this polarization, the transmission through a prism fabricated from N-SF11, a RoHS-compliant version of SF11, will be excellent even though there is no AR coating on the surface.

Material Minimum Angle
of Deviation
Vdb Surface Flatness
@ 633 nm
Clear
Aperture
Surface
Quality
Angular
Tolerance
Number of
Polished Faces
Index of
Refraction Plot
N-SF11 65.5° @ 633 nm 24.76 λ/10 70% 40-20 Scratch-Dig ±5 arcmin 2 Click
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