K-PSK100(M) by Sumita

Standard Medium Environmentally Friendly

K-PSK100(M) by Sumita is a standard optical glass with a medium melt frequency. It transmits from 0.31 to 2.00 µm with an nd of 1.58792 and a Vd of 60.6. It has medium thermal expansion (CTE of 9.5×10⁻⁶/K) and below average chemical resistance.

Refractive Index vs Wavelength
Refractive Index Calculator
Valid range: 0.36–1.55 µm
dn/dλ vs Wavelength
dn/dλ Calculator
Valid range: 0.36–1.55 µm
Abbe Number Calculator
Transmission vs Wavelength
Transmission Calculator
Valid wavelength range: 0.310–2.000 µm
Optical Properties
Refractive Index (nd) 1.58792
Abbe Number (Vd) 60.6
Dispersion Formula Schott
Wavelength Range 0.36 — 1.55 µm
$$n(\lambda) = \sqrt{2.48313 - 0.00907211\,\lambda^2 + 0.0136416\,\lambda^{-2} + 0.000215436\,\lambda^{-4} + 8.69739 \times 10^{-6}\,\lambda^{-6} - 6.50125 \times 10^{-7}\,\lambda^{-8}}$$
Thermal Properties
TCE -30/70°C (10-6/K) 9.5
TCE 100/300°C (10-6/K) 11.4
Thermal Conductivity (W/mK) —
Heat Capacity (J/gK) —
$$\frac{dn}{dT} = \frac{n_0^2 - 1}{2\,n_0}\left[-8.26 \times 10^{-7} + 2(2.08 \times 10^{-8})\,\Delta T + 3(-1.4 \times 10^{-10})\,\Delta T^2 + \frac{5.32 \times 10^{-7} + 2(-2.69 \times 10^{-10})\,\Delta T}{\lambda - 0.175}\right] \Delta T = T - T_0, \quad T_0 = 20\,°\text{C}$$
Physical Properties
Density (g/cm³) 3.24
Relative Cost —
Mechanical Properties
Young's Modulus (GPa) —
Poisson's Ratio —
Knoop Hardness (kgf/mm²) —
Chemical Resistance
Climatic Resistance 1
Stain Resistance —
Acid Resistance 6
Alkali Resistance —
Phosphate Resistance —
Similar Glasses (Other Manufacturers)
Glass Manufacturer nd Vd Compare
S-BAL35R Ohara 1.58913 60.960312
D-ZK3L-25 CDGM 1.5909 60.618517
D-ZK3A-25 CDGM 1.58828 61.012484
D-ZK3L CDGM 1.5917 60.701147
D-ZK3A CDGM 1.58913 61.101573
S-BAL35 Ohara 1.58913 61.135024
P-SK58A Schott 1.58913 61.15
L-BAL35 Ohara 1.58913 61.152601
D-ZK3 CDGM 1.58913 61.152901
BAL35 Ohara 1.58913 61.182174
Similar Glasses (Sumita)
Glass Manufacturer nd Vd Compare
K-SKLD100(M) Sumita 1.58773 60.4
K-SKLD100 Sumita 1.5911 60.7
K-SKLD5(M) Sumita 1.58606 61.0
K-PSK100 Sumita 1.5917 60.7
P-SK100 Sumita 1.5917 60.7
K-SK5 Sumita 1.58913 61.2
K-SKLD5 Sumita 1.58913 61.2
SK5 Sumita 1.58913 61.2
K-SKLD120 Sumita 1.5868 59.8
CSK120 Sumita 1.587 59.6
Compare Glasses
    Compare Selected