B270 Refractive Index

Optical constants (n, k) of B270, covering 0.44 – 0.66 μm wavelength range.

Range 0.436 – 0.656 μm
Data Points 8

Optical Constants at Key Wavelengths

632.8 nm (He-Ne)
n = 1.5207
k = 0.0000
589.3 nm (Na-D)
n = 1.5229
k = 0.0000
532 nm
n = 1.5251
k = 0.0000

n, k Dispersion Curves

Data Table (Sampled)

Wavelength (μm)nk
0.43581.534100.00000
0.48001.529700.00000
0.48611.529200.00000
0.54611.525100.00000
0.58761.523000.00000
0.58931.522900.00000
0.64391.520700.00000
0.65631.520300.00000

Sampled data (8 points total). Click "Download Full CSV" for complete data.

Notes

20 °C. Clear high transmission crown glass (modified soda-lime glass) available in form of sheets, profile rods strips and blanks.

References

B 270 datasheet, August 1993

Related Materials (Specs)

4786 (NIKON i-line glass) 5165 (NIKON i-line glass) 5742 (NIKON i-line glass) 5859 (NIKON i-line glass) 7054 (NIKON i-line glass) acrylic double matching liquid

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