ADF355 by Hoya

Obsolete Unknown Environmentally Dangerous
Refractive Index vs Wavelength
Refractive Index Calculator
Valid range: 0.334–2.325 µm
dn/dλ vs Wavelength
dn/dλ Calculator
Valid range: 0.334–2.325 µm
Abbe Number Calculator
Transmission vs Wavelength

No transmission data available.

Optical Properties
Refractive Index (nd) 1.6445
Abbe Number (Vd) 40.762285
Dispersion Formula Schott
Wavelength Range 0.334 — 2.325 µm
$$n(\lambda) = \sqrt{2.63778 - 0.0118345\,\lambda^2 + 0.0241691\,\lambda^{-2} - 0.000275109\,\lambda^{-4} + 0.000141016\,\lambda^{-6} - 6.26491 \times 10^{-6}\,\lambda^{-8}}$$
Thermal Properties
TCE -30/70°C (10-6/K)
TCE 100/300°C (10-6/K)
Thermal Conductivity (W/mK)
Heat Capacity (J/gK)
$$\frac{dn}{dT} = \frac{n_0^2 - 1}{2\,n_0}\left[0 + 2(0)\,\Delta T + 3(0)\,\Delta T^2 + \frac{0 + 2(0)\,\Delta T}{\lambda - 0}\right] \Delta T = T - T_0, \quad T_0 = 25\,°\text{C}$$
Physical Properties
Density (g/cm³)
Relative Cost
Mechanical Properties
Young's Modulus (GPa)
Poisson's Ratio
Knoop Hardness (kgf/mm²)
Chemical Resistance
Climatic Resistance
Stain Resistance
Acid Resistance
Alkali Resistance
Phosphate Resistance
Similar Glasses (Other Manufacturers)
Glass Manufacturer nd Vd
BPH35 Ohara 1.644496 40.817749
BASF57 Schott 1.651474 41.901823
BAH30 Ohara 1.650158 39.390461
C55-40 Corning 1.6555 40.115717
BASF10 Sumita 1.65016 39.3
N-KZFS5 Schott 1.65412 39.7
BPH5 Ohara 1.654115 39.687638
S-NBH5 Ohara 1.654115 39.682794
KZFSN5 Schott 1.65412 39.63
C51-39 Corning 1.650206 39.193419
Similar Glasses (Hoya)
Glass Manufacturer nd Vd
BAFD10 Hoya 1.650157 39.343065
NBFD38 Hoya 1.65253 39.48
ADF50 Hoya 1.654118 39.624202
E-ADF50 Hoya 1.65412 39.62
BAFD4 Hoya 1.651278 38.312578
ATF2 Hoya 1.65052 38.036939
BAFD1 Hoya 1.626057 39.085725
BAFD6 Hoya 1.66755 41.933458
ATF4 Hoya 1.653757 44.723072
F9 Hoya 1.620446 38.090002
Compare Glasses