SK16RH by Sumita

Obsolete Very Rare Environmentally Dangerous

SK16RH by Sumita is an obsolete optical glass with a very rare melt frequency. It transmits from 0.28 to 2.00 µm with an nd of 1.62041 and a Vd of 60.3. It has average chemical resistance and dangerous environmental properties.

Refractive Index vs Wavelength
Refractive Index Calculator
Valid range: 0.27–2.0 µm
dn/dλ vs Wavelength
dn/dλ Calculator
Valid range: 0.27–2.0 µm
Abbe Number Calculator
Transmission vs Wavelength
Transmission Calculator
Valid wavelength range: 0.280–2.000 µm
Optical Properties
Refractive Index (nd) 1.62041
Abbe Number (Vd) 60.3
Dispersion Formula Schott
Wavelength Range 0.27 — 2.0 µm
$$n(\lambda) = \sqrt{2.58481 - 0.0114869\,\lambda^2 + 0.014859\,\lambda^{-2} + 0.000216777\,\lambda^{-4} - 2.44669 \times 10^{-7}\,\lambda^{-6} + 3.10883 \times 10^{-7}\,\lambda^{-8}}$$
Thermal Properties
TCE -30/70°C (10-6/K) —
TCE 100/300°C (10-6/K) 7.2
Thermal Conductivity (W/mK) —
Heat Capacity (J/gK) —
$$\frac{dn}{dT} = \frac{n_0^2 - 1}{2\,n_0}\left[0 + 2(0)\,\Delta T + 3(0)\,\Delta T^2 + \frac{0 + 2(0)\,\Delta T}{\lambda - 0}\right] \Delta T = T - T_0, \quad T_0 = 20\,°\text{C}$$
Physical Properties
Density (g/cm³) 3.5
Relative Cost —
Mechanical Properties
Young's Modulus (GPa) —
Poisson's Ratio —
Knoop Hardness (kgf/mm²) —
Chemical Resistance
Climatic Resistance 1
Stain Resistance —
Acid Resistance 5
Alkali Resistance —
Phosphate Resistance —
Similar Glasses (Other Manufacturers)
Glass Manufacturer nd Vd Compare
S-BSM16 Ohara 1.620411 60.289582
N-SK16 Schott 1.62041 60.32
SK16 Schott 1.62041 60.323649
BSM16 Ohara 1.62041 60.271913
C20-60 Corning 1.620406 60.332956
H-ZK9B CDGM 1.62041 60.339343
BSM16C Ohara 1.62041 60.254106
H-TK9 CDGM 1.62075 60.299778
BACD16 Hoya 1.62041 60.35
SK51 Schott 1.6209 60.310926
Similar Glasses (Sumita)
Glass Manufacturer nd Vd Compare
K-SK16RH Sumita 1.62041 60.3
SK16 Sumita 1.62041 60.3
K-PSK200 Sumita 1.61305 59.0
K-PSK200(M) Sumita 1.61083 58.9
SK7 Sumita 1.60729 59.5
K-SK7 Sumita 1.60729 59.5
SK4 Sumita 1.61272 58.6
K-SK4 Sumita 1.61272 58.6
SK3 Sumita 1.60881 58.9
SK15 Sumita 1.62299 58.1
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