PBH10 by Ohara

Obsolete Unknown Environmentally Dangerous

PBH10 by Ohara is an obsolete optical glass. It transmits from 0.37 to 0.90 µm with an nd of 1.728249 and a Vd of 28.4623. It has medium thermal expansion (CTE of 7.1×10⁻⁶/K), excellent chemical resistance, and dangerous environmental properties.

Refractive Index vs Wavelength
Refractive Index Calculator
Valid range: 0.3–2.4 µm
dn/dλ vs Wavelength
dn/dλ Calculator
Valid range: 0.3–2.4 µm
Abbe Number Calculator
Transmission vs Wavelength
Transmission Calculator
Valid wavelength range: 0.370–0.900 µm
Optical Properties
Refractive Index (nd) 1.728249
Abbe Number (Vd) 28.4623
Dispersion Formula Schott
Wavelength Range 0.3 — 2.4 µm
$$n(\lambda) = \sqrt{2.87787 - 0.0102441\,\lambda^2 + 0.0338466\,\lambda^{-2} + 0.00183361\,\lambda^{-4} - 7.87219 \times 10^{-5}\,\lambda^{-6} + 1.41429 \times 10^{-5}\,\lambda^{-8}}$$
Thermal Properties
TCE -30/70°C (10-6/K) 7.1
TCE 100/300°C (10-6/K) 8.1
Thermal Conductivity (W/mK) —
Heat Capacity (J/gK) —
$$\frac{dn}{dT} = \frac{n_0^2 - 1}{2\,n_0}\left[1.198 \times 10^{-5} + 2(0)\,\Delta T + 3(0)\,\Delta T^2 + \frac{0 + 2(0)\,\Delta T}{\lambda - 0}\right] \Delta T = T - T_0, \quad T_0 = 25\,°\text{C}$$
Physical Properties
Density (g/cm³) 4.33
Relative Cost —
Mechanical Properties
Young's Modulus (GPa) —
Poisson's Ratio —
Knoop Hardness (kgf/mm²) —
Chemical Resistance
Climatic Resistance —
Stain Resistance —
Acid Resistance 1
Alkali Resistance —
Phosphate Resistance 1
Similar Glasses (Other Manufacturers)
Glass Manufacturer nd Vd Compare
SF10 Schott 1.72825 28.41
D28-28 Corning 1.728304 28.397796
N-SF10 Schott 1.72828 28.53
ZF4 CDGM 1.728251 28.3239
E-FD10 Hoya 1.72825 28.32
E-FD10L Hoya 1.72825 28.32
FD10 Hoya 1.728252 28.319563
H-ZF4AGT CDGM 1.72825 28.318797
H-ZF4A CDGM 1.72825 28.318797
SF10W Sumita 1.72825 28.3
Similar Glasses (Ohara)
Glass Manufacturer nd Vd Compare
S-TIH10 Ohara 1.72825 28.460599
S-TIH18 Ohara 1.721507 29.23233
PBH18 Ohara 1.721506 29.243262
S-TIH3 Ohara 1.739998 28.296005
PBH3W Ohara 1.739998 28.287409
PBH3 Ohara 1.739998 28.283809
PBH1 Ohara 1.717362 29.513538
S-TIH1 Ohara 1.717362 29.518091
PBH13W Ohara 1.740769 27.793228
PBH13 Ohara 1.740769 27.793228
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